DOBLE ENGINEERING COMPANY

Organization

WATERTOWN, MA, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Optimizing transformer exciting current and loss test results by dy...
- Patent number 12,094,651
- Issue date Sep 17, 2024
- DOBLE ENGINEERING COMPANY
- Robert C. Woodward
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Configurable test instrument for power equipment
- Patent number D1026694
- Issue date May 14, 2024
- Doble Engineering Company
- Scott Lee Short
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Relay and metering test instrument
- Patent number 11,886,324
- Issue date Jan 30, 2024
- Doble Engineering Company
- Scott Harold Gilbertson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Configurable test instrument for power equipment
- Patent number 11,614,465
- Issue date Mar 28, 2023
- DOBLE ENGINEERING COMPANY
- Scott Lee Short
- G01 - MEASURING TESTING
Information Patent Grant
Configurable test instrument for power equipment
- Patent number D978686
- Issue date Feb 21, 2023
- DOBLE ENGINEERING COMPANY
- Scott Lee Short
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
System and method for performing transformer diagnostics
- Patent number 11,156,671
- Issue date Oct 26, 2021
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Grant
Secured system for testing and maintenance of bulk electrical syste...
- Patent number 11,032,310
- Issue date Jun 8, 2021
- Doble Engineering Company
- Jason Alexander Allison
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secured method for testing and maintenance of bulk electrical syste...
- Patent number 10,623,437
- Issue date Apr 14, 2020
- Doble Engineering Company
- Jason Alexander Allison
- G01 - MEASURING TESTING
Information Patent Grant
System and method for performing transformer diagnostics
- Patent number 10,545,183
- Issue date Jan 28, 2020
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Grant
System and method for performing transformer diagnostics
- Patent number 10,203,364
- Issue date Feb 12, 2019
- DOBLE ENGINEERING COMPANY
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Grant
Method and system of apparatuses for testing utility power devices
- Patent number 9,874,613
- Issue date Jan 23, 2018
- Doble Engineering Company
- Robert Clark Woodward
- G01 - MEASURING TESTING
Information Patent Grant
System and method for performing transformer diagnostics
- Patent number 9,671,451
- Issue date Jun 6, 2017
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for testing utility power devices
- Patent number 9,632,128
- Issue date Apr 25, 2017
- Doble Engineering Company
- Robert Clark Woodward
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for testing utility power devices
- Patent number 9,482,712
- Issue date Nov 1, 2016
- Doble Engineering Company
- Robert Clark Woodward
- G01 - MEASURING TESTING
Information Patent Grant
Methods and circuit structures for mitigating voltage stresses on p...
- Patent number 9,313,878
- Issue date Apr 12, 2016
- Doble Engineering Company
- Robert Clark Woodward
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and device for improved detection and analysis of partial di...
- Patent number 8,792,542
- Issue date Jul 29, 2014
- Doble Engineering Company
- Scott McMeekin
- G01 - MEASURING TESTING
Information Patent Grant
Monitoring leakage currents from high-voltage devices
- Patent number 6,633,169
- Issue date Oct 14, 2003
- Doble Engineering Company
- George A. Cavigelli
- G01 - MEASURING TESTING
Information Patent Grant
Monitoring elements in a multi-phase alternating current network
- Patent number 6,177,803
- Issue date Jan 23, 2001
- Doble Engineering Company
- David Train
- G01 - MEASURING TESTING
Information Patent Grant
Impedance measuring
- Patent number 5,818,245
- Issue date Oct 6, 1998
- Doble Engineering Company
- Lars P. Allfather
- G01 - MEASURING TESTING
Information Patent Grant
Low phase error amplifying
- Patent number 5,635,871
- Issue date Jun 3, 1997
- Doble Engineering Company
- George A. Cavigelli
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reducing switching losses in a phase-modulated switch-mode amplifier
- Patent number 5,541,827
- Issue date Jul 30, 1996
- Doble Engineering Company
- Lars P. Allfather
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power amplifying apparatus for supplying A.C. signals having a maxi...
- Patent number 5,317,277
- Issue date May 31, 1994
- Doble Engineering Company
- George A. Cavigelli
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic bridge balancing using controllable impedance in characte...
- Patent number 5,287,065
- Issue date Feb 15, 1994
- Doble Engineering Company
- Lars P. Allfather
- G01 - MEASURING TESTING
Information Patent Grant
Current shunting
- Patent number 5,068,636
- Issue date Nov 26, 1991
- Doble Engineering Company
- George A. Cavigelli
- G01 - MEASURING TESTING
Information Patent Grant
Motion tranducing through conversion of linear motion to circular m...
- Patent number 5,021,648
- Issue date Jun 4, 1991
- Doble Engineering Company
- Donald R. Jones
- G01 - MEASURING TESTING
Information Patent Grant
Amplifying with directly coupled, cascaded amplifiers
- Patent number 4,973,919
- Issue date Nov 27, 1990
- Doble Engineering Company
- Lars P. Allfather
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Controlling electrical power
- Patent number 4,794,507
- Issue date Dec 27, 1988
- Doble Engineering Company
- George A. Cavigelli
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converting
- Patent number 4,541,040
- Issue date Sep 10, 1985
- Doble Engineering Company
- Lars P. Allfather
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current tap selecting switch
- Patent number 4,510,354
- Issue date Apr 9, 1985
- Doble Engineering Company
- Lars P. Allfather
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformer ratio-arm bridge with improved balancing means
- Patent number 4,054,836
- Issue date Oct 18, 1977
- Doble Engineering Company
- Edmund H. Povey
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Relay and Metering Test Instrument
- Publication number 20240152445
- Publication date May 9, 2024
- Doble Engineering Company
- Scott Harold Gilbertson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTIMIZING TRANSFORMER EXCITING CURRENT AND LOSS TEST RESULTS BY DY...
- Publication number 20230223177
- Publication date Jul 13, 2023
- Doble Engineering Company
- Robert C. WOODWARD
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RELAY AND METERING TEST INSTRUMENT
- Publication number 20230195602
- Publication date Jun 22, 2023
- Doble Engineering Company
- Scott Harold Gilbertson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONFIGURABLE TEST INSTRUMENT FOR POWER EQUIPMENT
- Publication number 20220317150
- Publication date Oct 6, 2022
- Doble Engineering Company
- Scott Lee Short
- G01 - MEASURING TESTING
Information Patent Application
SECURED SYSTEM FOR TESTING AND MAINTENANCE OF BULK ELECTRICAL SYSTE...
- Publication number 20200244697
- Publication date Jul 30, 2020
- Doble Engineering Company
- Jason Alexander Allison
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS
- Publication number 20200158789
- Publication date May 21, 2020
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS
- Publication number 20190154747
- Publication date May 23, 2019
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS
- Publication number 20180238953
- Publication date Aug 23, 2018
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Application
SECURED METHOD FOR TESTING AND MAINTENANCE OF BULK ELECTRICAL SYSTE...
- Publication number 20170289192
- Publication date Oct 5, 2017
- Doble Engineering Company
- Jason Alexander Allison
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM OF APPARATUSES FOR TESTING UTILITY POWER DEVICES
- Publication number 20170184685
- Publication date Jun 29, 2017
- Doble Engineering Company
- Robert Clark Woodward
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR TESTING UTILITY POWER DEVICES
- Publication number 20170016949
- Publication date Jan 19, 2017
- Doble Engineering Company
- Robert Clark Woodward
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS
- Publication number 20150268291
- Publication date Sep 24, 2015
- Doble Engineering Company
- Mark F. Lachman
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND CIRCUIT STRUCTURES FOR MITIGATING VOLTAGE STRESSES ON P...
- Publication number 20140262445
- Publication date Sep 18, 2014
- Doble Engineering Company
- Robert Clark Woodward
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD AND APPARATUS FOR TESTING UTILITY POWER DEVICES
- Publication number 20140125351
- Publication date May 8, 2014
- Doble Engineering Company
- Robert Clark Woodward
- G01 - MEASURING TESTING
Information Patent Application
Method and Device for Improved Detection and Analysis of Partial Di...
- Publication number 20120077444
- Publication date Mar 29, 2012
- Doble Engineering Company
- Scott McMeekin
- G01 - MEASURING TESTING

Trademarklast 30 trademarks

Information Trademark
86023770 - LDIC
- Serial number 86023770
- Registration number 4558876
- Filing date Jul 30, 2013
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86023741 - DOBLE LEMKE
- Serial number 86023741
- Registration number 4558875
- Filing date Jul 30, 2013
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
85757397 - DOBLECLOUD
- Serial number 85757397
- Filing date Oct 18, 2012
- Doble Engineering Company
- 35 - Advertising
Information Trademark
85757375 - DOBLEDATABASE
- Serial number 85757375
- Registration number 4589340
- Filing date Oct 18, 2012
- Doble Engineering Company
- 35 - Advertising
Information Trademark
85757406 - DOBLESYNC
- Serial number 85757406
- Registration number 4585135
- Filing date Oct 18, 2012
- Doble Engineering Company
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
85757348 - DOBLEARMS
- Serial number 85757348
- Registration number 4457545
- Filing date Oct 18, 2012
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
77060343 - TOGETHER WE POWER THE WORLD
- Serial number 77060343
- Registration number 3322571
- Filing date Dec 8, 2006
- Doble Engineering Company
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
76322191 - DOBLE
- Serial number 76322191
- Registration number 2820642
- Filing date Oct 5, 2001
- Doble Engineering Company
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
76321690 - DOBLE
- Serial number 76321690
- Registration number 2809754
- Filing date Oct 5, 2001
- Doble Engineering Company
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
76317655 - DOMINO
- Serial number 76317655
- Registration number 2715161
- Filing date Sep 25, 2001
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76186048 - INTELLIGENT DIAGNOSTIC DEVICE
- Serial number 76186048
- Registration number 2796317
- Filing date Dec 22, 2000
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76186042 - INSITE INTELLIGENT DIAGNOSTIC DEVICE
- Serial number 76186042
- Filing date Dec 22, 2000
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76179077 - INSITE IDD
- Serial number 76179077
- Filing date Dec 11, 2000
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76179078 - IDD
- Serial number 76179078
- Registration number 2729902
- Filing date Dec 11, 2000
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76166472 - INSITE
- Serial number 76166472
- Filing date Nov 16, 2000
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75909782 - DOMINO
- Serial number 75909782
- Filing date Feb 3, 2000
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75580918 - DOBLE TEST ASSISTANT
- Serial number 75580918
- Registration number 2394774
- Filing date Nov 2, 1998
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74512236 - INSITE
- Serial number 74512236
- Filing date Apr 11, 1994
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74227357 - DTA DOBLE TEST ASSISTANT
- Serial number 74227357
- Registration number 1721611
- Filing date Dec 5, 1991
- Doble Engineering Company
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

DOBLE ENGINEERING COMPANY

Organization

Patents Grantslast 30 patents

Optimizing transformer exciting current and loss test results by dy...

Configurable test instrument for power equipment

Relay and metering test instrument

Configurable test instrument for power equipment

Configurable test instrument for power equipment

System and method for performing transformer diagnostics

Secured system for testing and maintenance of bulk electrical syste...

Secured method for testing and maintenance of bulk electrical syste...

System and method for performing transformer diagnostics

System and method for performing transformer diagnostics

Method and system of apparatuses for testing utility power devices

System and method for performing transformer diagnostics

Method and apparatus for testing utility power devices

Method and apparatus for testing utility power devices

Methods and circuit structures for mitigating voltage stresses on p...

Method and device for improved detection and analysis of partial di...

Monitoring leakage currents from high-voltage devices

Monitoring elements in a multi-phase alternating current network

Impedance measuring

Low phase error amplifying

Reducing switching losses in a phase-modulated switch-mode amplifier

Power amplifying apparatus for supplying A.C. signals having a maxi...

Automatic bridge balancing using controllable impedance in characte...

Current shunting

Motion tranducing through conversion of linear motion to circular m...

Amplifying with directly coupled, cascaded amplifiers

Controlling electrical power

Power converting

Current tap selecting switch

Transformer ratio-arm bridge with improved balancing means

Patents Applicationslast 30 patents

Relay and Metering Test Instrument

OPTIMIZING TRANSFORMER EXCITING CURRENT AND LOSS TEST RESULTS BY DY...

RELAY AND METERING TEST INSTRUMENT

CONFIGURABLE TEST INSTRUMENT FOR POWER EQUIPMENT

SECURED SYSTEM FOR TESTING AND MAINTENANCE OF BULK ELECTRICAL SYSTE...

SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS

SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS

SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS

SECURED METHOD FOR TESTING AND MAINTENANCE OF BULK ELECTRICAL SYSTE...

METHOD AND SYSTEM OF APPARATUSES FOR TESTING UTILITY POWER DEVICES

METHOD AND APPARATUS FOR TESTING UTILITY POWER DEVICES

SYSTEM AND METHOD FOR PERFORMING TRANSFORMER DIAGNOSTICS

METHODS AND CIRCUIT STRUCTURES FOR MITIGATING VOLTAGE STRESSES ON P...

METHOD AND APPARATUS FOR TESTING UTILITY POWER DEVICES

Method and Device for Improved Detection and Analysis of Partial Di...

Trademarklast 30 trademarks

86023770 - LDIC

86023741 - DOBLE LEMKE

85757397 - DOBLECLOUD

85757375 - DOBLEDATABASE

85757406 - DOBLESYNC

85757348 - DOBLEARMS

77060343 - TOGETHER WE POWER THE WORLD

76322191 - DOBLE

76321690 - DOBLE

76317655 - DOMINO

76186048 - INTELLIGENT DIAGNOSTIC DEVICE

76186042 - INSITE INTELLIGENT DIAGNOSTIC DEVICE

76179077 - INSITE IDD

76179078 - IDD

76166472 - INSITE

75909782 - DOMINO

75580918 - DOBLE TEST ASSISTANT

74512236 - INSITE

74227357 - DTA DOBLE TEST ASSISTANT