LITTELFUSE, INC

Organization

DES PLAINES, IL, US

Ticker Symbols

NASDAQ:LFUS

SWITCHGEAR & SWITCHBOARD APPARATUS
Business Address
8755 WEST HIGGINS ROAD CHICAGO IL 60631 773-628-1000
Mailing Address
8755 WEST HIGGINS ROAD CHICAGO IL 60631
State Location
IL
State of Incorporation
DE

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
High thermal conductivity fuse holder
- Patent number 12,176,168
- Issue date Dec 24, 2024
- Littelfuse, Inc.
- Juan Antonio Guerrero
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuse and protection circuit based upon bidirectional switch
- Patent number 12,142,908
- Issue date Nov 12, 2024
- Littelfuse, Inc.
- Martin Schulz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Self-limiting heater
- Patent number 12,125,619
- Issue date Oct 22, 2024
- Littelfuse, Inc.
- Efrem Fesshaie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal oxide varistor with reinforced electrodes
- Patent number 12,087,479
- Issue date Sep 10, 2024
- Littelfuse, Inc.
- Martin G. Pineda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Overcurrent protection by depletion mode MOSFET or JFET and bi-meta...
- Patent number 12,081,017
- Issue date Sep 3, 2024
- Littelfuse, Inc.
- Chuan Fang Chin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Solid state relay harvesting power from load by measuring zero cros...
- Patent number 12,063,032
- Issue date Aug 13, 2024
- Littelfuse, Inc.
- Bret R. Howe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Arrayed element design for chip fuse
- Patent number 12,046,436
- Issue date Jul 23, 2024
- Littelfuse, Inc.
- Victor Oliver L. Tabell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit protection device with PTC device and backup fuse
- Patent number 12,040,109
- Issue date Jul 16, 2024
- Littelfuse, Inc.
- Yuriy Borisovich Matus
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fuse design
- Patent number 12,027,337
- Issue date Jul 2, 2024
- Littelfuse, Inc.
- Young Tae Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thyristor assembly
- Patent number 12,021,138
- Issue date Jun 25, 2024
- Littelfuse, Inc.
- Koichiro Yoshimoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fuse assembly including anti-rotation device
- Patent number 12,020,882
- Issue date Jun 25, 2024
- Littelfuse, Inc.
- Robert Olszewski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contactor with integrated pyrotechnic interrupter
- Patent number 12,009,167
- Issue date Jun 11, 2024
- Littelfuse, Inc.
- Sven Loeffelbein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
PPTC device having low melting temperature polymer body
- Patent number 11,984,285
- Issue date May 14, 2024
- Littelfuse, Inc.
- Jianhua Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Inner chambers with blast attenuation geometry on fuses
- Patent number 11,984,286
- Issue date May 14, 2024
- Littelfuse, Inc.
- Clemente Hernandez Murillo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thyristor assembly
- Patent number 11,978,787
- Issue date May 7, 2024
- Littelfuse, Inc.
- Koichiro Yoshimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Protection device with wall vent for breaking capacity improvement
- Patent number 11,948,767
- Issue date Apr 2, 2024
- Littelfuse, Inc.
- Roel Santos Retardo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor chip package and method of assembly
- Patent number 11,948,878
- Issue date Apr 2, 2024
- Littelfuse, Inc.
- Stefan Steinhoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
SMD fuse with pre-molded shield
- Patent number 11,942,300
- Issue date Mar 26, 2024
- Littelfuse, Inc.
- Sheila Marie Vinas Bayer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Step-terminated SMD fuse
- Patent number 11,923,162
- Issue date Mar 5, 2024
- Littelfuse, Inc.
- Roel Santos Retardo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic sensing system for multiple door appliances
- Patent number 11,892,525
- Issue date Feb 6, 2024
- Littelfuse, Inc.
- Todd Sabotta
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Automobile rain and temperature sensor module comprising a compound...
- Patent number 11,884,247
- Issue date Jan 30, 2024
- Littelfuse, Inc.
- Mindaugas Ketlerius
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Solid state relay harvesting power from load by measuring stored en...
- Patent number 11,881,849
- Issue date Jan 23, 2024
- Littelfuse, Inc.
- Bret R. Howe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Protection device including multi-plane fusible element
- Patent number 11,875,962
- Issue date Jan 16, 2024
- Littelfuse, Inc.
- Albert Enriquez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Attaching an isolated single stud fuse to an electrical device
- Patent number 11,869,739
- Issue date Jan 9, 2024
- Littelfuse, Inc.
- Geoffrey Schwartz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single bolt fuse assembly with an electrically isolated bolt
- Patent number 11,842,876
- Issue date Dec 12, 2023
- Littelfuse, Inc.
- Tiziano Bianchin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Unsealed single fuse holder
- Patent number 11,817,284
- Issue date Nov 14, 2023
- Littelfuse, Inc.
- Andrew Jozwiak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin film coating packaging for device having meltable and wetting...
- Patent number 11,807,770
- Issue date Nov 7, 2023
- Littelfuse, Inc.
- Yuriy Borisovich Matus
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fuse body with notched ends
- Patent number 11,804,353
- Issue date Oct 31, 2023
- Littelfuse, Inc.
- Edwin Nery Silvederio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High breaking capacity fuse with fire-extinguishing pads
- Patent number 11,804,351
- Issue date Oct 31, 2023
- Littelfuse, Inc.
- Marko Arciaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid state relay harvesting power from load by measuring stored en...
- Patent number 11,799,474
- Issue date Oct 24, 2023
- Littelfuse, Inc.
- Bret R. Howe
- H03 - BASIC ELECTRONIC CIRCUITRY

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Patents Applicationslast 30 patents

Information Patent Application
ULTRA-THIN WELDABLE FUSE
- Publication number 20240429014
- Publication date Dec 26, 2024
- LITTELFUSE, INC.
- Maria Lily Espenilla Rosios
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PPTC SMALL PLANAR SMD TEMPERATURE SENSORS AND OVERCURRENT DEVICES
- Publication number 20240397618
- Publication date Nov 28, 2024
- LITTELFUSE, INC.
- Martin G. Pineda
- G01 - MEASURING TESTING
Information Patent Application
LEADFRAMELESS ELECTRICALLY ISOLATED POWER SEMICONDUCTOR PACKAGE
- Publication number 20240395692
- Publication date Nov 28, 2024
- LITTELFUSE, INC.
- Tiburcio Maldo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PTC HEATER WITH IMPROVED TEMPERATURE DISTRIBUTION AND UNIFORMITY
- Publication number 20240389199
- Publication date Nov 21, 2024
- LITTELFUSE, INC.
- Jun Gang Wang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INTEGRATED HETEROGENEOUS THERMISTOR ARRANGEMENT FOR HIGH VOLTAGE PR...
- Publication number 20240371549
- Publication date Nov 7, 2024
- LITTELFUSE, INC.
- Tao Guo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICALLY ISOLATED DISCRETE PACKAGE WITH HIGH PERFORMANCE CERAMI...
- Publication number 20240363478
- Publication date Oct 31, 2024
- LITTELFUSE, INC.
- Aalok Bhatt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRE-CHARGE SHORT CIRCUIT DETECTION
- Publication number 20240364099
- Publication date Oct 31, 2024
- LITTELFUSE, INC.
- Michael Gambuzza
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OVERCURRENT PROTECTION BASED ON SLOPE DETECTION
- Publication number 20240364100
- Publication date Oct 31, 2024
- LITTELFUSE, INC.
- Cesar Martinez
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD TO CONNECT POWER TERMINAL TO SUBSTRATE WITHIN SEMICONDUCTOR...
- Publication number 20240355718
- Publication date Oct 24, 2024
- LITTELFUSE, INC.
- THOMAS SPANN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REVERSE BLOCKING INSULATED-GATE BIPOLAR TRANSISTOR
- Publication number 20240339520
- Publication date Oct 10, 2024
- LITTELFUSE, INC.
- PETER WAIND
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID CONDUCTIVE PASTE FOR FAST-OPENING, LOW-RATING FUSES
- Publication number 20240274390
- Publication date Aug 15, 2024
- LITTELFUSE, INC.
- Hossein Talebinezhad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH THERMAL CONDUCTIVITY FUSE HOLDER
- Publication number 20240274391
- Publication date Aug 15, 2024
- LITTELFUSE, INC.
- Juan Antonio Guerrero
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GRADIENT BRIDGE CROSS-SECTION FOR IMPROVED THERMAL & OSR FUSE PERFO...
- Publication number 20240266132
- Publication date Aug 8, 2024
- LITTELFUSE, INC.
- Scott Faust
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CURRENT SENSOR WITH DIAGNOSTIC FEATURE
- Publication number 20240241157
- Publication date Jul 18, 2024
- LITTELFUSE, INC.
- Boris Golubovic
- G01 - MEASURING TESTING
Information Patent Application
ADAPTIVE PRE-CHARGE CONTROL FOR ELECTRIC VEHICLE DC LINK CAPACITOR
- Publication number 20240227609
- Publication date Jul 11, 2024
- LITTELFUSE, INC.
- MICHAEL J. GAMBUZZA
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH BREAKING CAPACITY FUSES WITH METAL REINFORCEMENTS
- Publication number 20240186096
- Publication date Jun 6, 2024
- LITTELFUSE, INC.
- MARKO ARCIAGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FUSE WITH ARC SUPPRESSING MASTIC MATERIAL
- Publication number 20240170244
- Publication date May 23, 2024
- LITTELFUSE, INC.
- Martin G. Pineda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CDOT DEVICE FOR WIRELESS CHARGING
- Publication number 20240162728
- Publication date May 16, 2024
- LITTELFUSE, INC.
- Yuriy Borisovich Matus
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TEMPERATURE SENSING TAPE HAVING A TEMPERATURE SENSOR ELEMENT WITH M...
- Publication number 20240154402
- Publication date May 9, 2024
- LITTELFUSE, INC.
- Sergio Fuentes Godinez
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ADAPTIVE PRE-CHARGE CONTROL FOR ELECTRIC VEHICLE DC LINK CAPACITOR
- Publication number 20240131950
- Publication date Apr 25, 2024
- LITTELFUSE, INC.
- MICHAEL J. GAMBUZZA
- B60 - VEHICLES IN GENERAL
Information Patent Application
ISOLATED POWER PACKAGING WITH FLEXIBLE CONNECTIVITY
- Publication number 20240112977
- Publication date Apr 4, 2024
- LITTELFUSE, INC.
- Rhodri Hughes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODULAR POWER DISTRIBUTION UNIT
- Publication number 20240106205
- Publication date Mar 28, 2024
- LITTELFUSE, INC.
- Andrew Jozwiak
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PROTECTION DEVICE WITH WALL VENT FOR BREAKING CAPACITY IMPROVEMENT
- Publication number 20240096582
- Publication date Mar 21, 2024
- LITTELFUSE, INC.
- Roel Santos Retardo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTACTOR WITH INTEGRATED PYROTECHNIC INTERRUPTER
- Publication number 20240096578
- Publication date Mar 21, 2024
- LITTELFUSE, INC.
- SVEN LOEFFELBEIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARC QUENCHING FUSE FILLER FOR CURRENT LIMITING FUSES
- Publication number 20240096581
- Publication date Mar 21, 2024
- LITTELFUSE, INC.
- Chun-Kwan Tsang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
UNSEALED SINGLE FUSE HOLDER
- Publication number 20240087832
- Publication date Mar 14, 2024
- LITTELFUSE, INC.
- Andrew Jozwiak
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INNER CHAMBERS WITH BLAST ATTENUATION GEOMETRY ON FUSES
- Publication number 20240047164
- Publication date Feb 8, 2024
- LITTELFUSE, INC.
- Clemente Hernandez Murillo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLDERLESS AND PRESSURE CONTACT CONNECTION
- Publication number 20240021505
- Publication date Jan 18, 2024
- LITTELFUSE, INC.
- TIBURCIO A. MALDO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ACTIVE/PASSIVE FUSE MODULE
- Publication number 20240021394
- Publication date Jan 18, 2024
- LITTELFUSE, INC.
- ENGELBERT HETZMANNSEDER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUBSTRATE ASSEMBLY WITH REDUCED WARPAGE
- Publication number 20240021568
- Publication date Jan 18, 2024
- LITTELFUSE, INC.
- Tiburcio A. Maldo
- H01 - BASIC ELECTRIC ELEMENTS

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Trademarklast 30 trademarks

Information Trademark
98696093 - THE BEAST
- Serial number 98696093
- Filing date Aug 13, 2024
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
98685180 - BRANCH PROTECTOR
- Serial number 98685180
- Filing date Aug 6, 2024
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
98104924 - TTAPE
- Serial number 98104924
- Filing date Jul 27, 2023
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
98104937 - TDOT
- Serial number 98104937
- Filing date Jul 27, 2023
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
88788867 - TTAPE
- Serial number 88788867
- Filing date Feb 7, 2020
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
88788892 - TDOT
- Serial number 88788892
- Filing date Feb 7, 2020
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
88267839 - LFGO
- Serial number 88267839
- Filing date Jan 18, 2019
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
88162151 - MRO PLUS
- Serial number 88162151
- Registration number 5987497
- Filing date Oct 19, 2018
- LITTELFUSE, INC.
- 35 - Advertising
Information Trademark
88162216 - MROPLUS
- Serial number 88162216
- Registration number 5774373
- Filing date Oct 19, 2018
- LITTELFUSE, INC.
- 35 - Advertising
Information Trademark
87690547 - SETP
- Serial number 87690547
- Registration number 5829543
- Filing date Nov 19, 2017
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87547781 - XTREME-GUARD
- Serial number 87547781
- Registration number 5431800
- Filing date Jul 28, 2017
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87527155 - U.S. SENSOR CORP.
- Serial number 87527155
- Registration number 5375423
- Filing date Jul 13, 2017
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87527119 - U.S. SENSOR CORP.
- Serial number 87527119
- Registration number 5370163
- Filing date Jul 13, 2017
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87472237 - POLYMOV
- Serial number 87472237
- Filing date Jun 1, 2017
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87462840 - PWG
- Serial number 87462840
- Filing date May 24, 2017
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87441032 - POLYSWITCH
- Serial number 87441032
- Registration number 5495330
- Filing date May 8, 2017
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87057057 - ENDURADRIVE
- Serial number 87057057
- Filing date Jun 1, 2016
- LITTELFUSE, INC.
- 7 - Machines and machine tools
Information Trademark
87035446 - MHP-TA
- Serial number 87035446
- Filing date May 12, 2016
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87035432 - RTP
- Serial number 87035432
- Registration number 5978437
- Filing date May 12, 2016
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86631705 - HEARTBEAT SENSOR TECHNOLOGY
- Serial number 86631705
- Filing date May 15, 2015
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86598936 - RAPIDSWITCH
- Serial number 86598936
- Filing date Apr 15, 2015
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86579677 - HEARTBEAT
- Serial number 86579677
- Filing date Mar 27, 2015
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86502295 - POWR-SPEED
- Serial number 86502295
- Registration number 4942466
- Filing date Jan 13, 2015
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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86502215 - POLYFUSE
- Serial number 86502215
- Registration number 5438561
- Filing date Jan 13, 2015
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86494786 - MCASE+
- Serial number 86494786
- Registration number 4947344
- Filing date Jan 4, 2015
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86494788 - MASTERFUSE
- Serial number 86494788
- Registration number 5047692
- Filing date Jan 4, 2015
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86485569 - LF
- Serial number 86485569
- Registration number 5709934
- Filing date Dec 18, 2014
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86485576 - LF
- Serial number 86485576
- Registration number 5709935
- Filing date Dec 18, 2014
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86455059 - MICRO3
- Serial number 86455059
- Registration number 4816553
- Filing date Nov 14, 2014
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86454966 - MCASE
- Serial number 86454966
- Registration number 4872988
- Filing date Nov 14, 2014
- LITTELFUSE, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

LITTELFUSE, INC

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Patents Grantslast 30 patents

High thermal conductivity fuse holder

Fuse and protection circuit based upon bidirectional switch

Self-limiting heater

Metal oxide varistor with reinforced electrodes

Overcurrent protection by depletion mode MOSFET or JFET and bi-meta...

Solid state relay harvesting power from load by measuring zero cros...

Arrayed element design for chip fuse

Circuit protection device with PTC device and backup fuse

Fuse design

Thyristor assembly

Fuse assembly including anti-rotation device

Contactor with integrated pyrotechnic interrupter

PPTC device having low melting temperature polymer body

Inner chambers with blast attenuation geometry on fuses

Thyristor assembly

Protection device with wall vent for breaking capacity improvement

Semiconductor chip package and method of assembly

SMD fuse with pre-molded shield

Step-terminated SMD fuse

Magnetic sensing system for multiple door appliances

Automobile rain and temperature sensor module comprising a compound...

Solid state relay harvesting power from load by measuring stored en...

Protection device including multi-plane fusible element

Attaching an isolated single stud fuse to an electrical device

Single bolt fuse assembly with an electrically isolated bolt

Unsealed single fuse holder

Thin film coating packaging for device having meltable and wetting...

Fuse body with notched ends

High breaking capacity fuse with fire-extinguishing pads

Solid state relay harvesting power from load by measuring stored en...

Patents Applicationslast 30 patents

ULTRA-THIN WELDABLE FUSE

PPTC SMALL PLANAR SMD TEMPERATURE SENSORS AND OVERCURRENT DEVICES

LEADFRAMELESS ELECTRICALLY ISOLATED POWER SEMICONDUCTOR PACKAGE

PTC HEATER WITH IMPROVED TEMPERATURE DISTRIBUTION AND UNIFORMITY

INTEGRATED HETEROGENEOUS THERMISTOR ARRANGEMENT FOR HIGH VOLTAGE PR...

ELECTRICALLY ISOLATED DISCRETE PACKAGE WITH HIGH PERFORMANCE CERAMI...

PRE-CHARGE SHORT CIRCUIT DETECTION

OVERCURRENT PROTECTION BASED ON SLOPE DETECTION

METHOD TO CONNECT POWER TERMINAL TO SUBSTRATE WITHIN SEMICONDUCTOR...

REVERSE BLOCKING INSULATED-GATE BIPOLAR TRANSISTOR

HYBRID CONDUCTIVE PASTE FOR FAST-OPENING, LOW-RATING FUSES

HIGH THERMAL CONDUCTIVITY FUSE HOLDER

GRADIENT BRIDGE CROSS-SECTION FOR IMPROVED THERMAL & OSR FUSE PERFO...

CURRENT SENSOR WITH DIAGNOSTIC FEATURE

ADAPTIVE PRE-CHARGE CONTROL FOR ELECTRIC VEHICLE DC LINK CAPACITOR

HIGH BREAKING CAPACITY FUSES WITH METAL REINFORCEMENTS

FUSE WITH ARC SUPPRESSING MASTIC MATERIAL

CDOT DEVICE FOR WIRELESS CHARGING

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