Switches operated by change of liquid level or of liquid density

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CPC
H01H35/18

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HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H35/00Switches operated by change of a physical condition

Current Industry

H01H35/18Switches operated by change of liquid level or of liquid density

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Drain cleaner apparatus
- Patent number 12,030,097
- Issue date Jul 9, 2024
- Joseph McDonnell
- B08 - CLEANING
Information Patent Grant
System for controlling the supply of water to a rooftop water tank
- Patent number 12,017,844
- Issue date Jun 25, 2024
- Jana Pulak
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Switching device and a liquid level detection apparatus employing t...
- Patent number 11,953,365
- Issue date Apr 9, 2024
- Erjian Song
- G01 - MEASURING TESTING
Information Patent Grant
Drain cleaner apparatus
- Patent number 11,826,799
- Issue date Nov 28, 2023
- Joseph McDonnell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modulating makeup fluid control systems and methods for same
- Patent number 11,767,993
- Issue date Sep 26, 2023
- PURE HUMIDIFIER COMPANY
- Matthew W. Abel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Structure for operating watertight door by buoyancy
- Patent number 11,447,996
- Issue date Sep 20, 2022
- KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
- In Hwan Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Liquid level sensor mounting systems and methods
- Patent number 11,255,571
- Issue date Feb 22, 2022
- Johnson Controls Technology Company
- Ravindra B. Salunkhe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System and method for detecting and alerting of flooding in telecom...
- Patent number 11,134,156
- Issue date Sep 28, 2021
- Saudi Arabian Oil Company
- Naji Nassir Al-Motairy
- G08 - SIGNALLING
Information Patent Grant
Methods for controlling the power supply of a vacuum cleaner motor
- Patent number 11,101,088
- Issue date Aug 24, 2021
- Emerson Electric Co.
- Stuart V. Holsten
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic float switch
- Patent number 11,049,678
- Issue date Jun 29, 2021
- Metropolitan Industries, Inc.
- James Andrew Nimmer
- G01 - MEASURING TESTING
Information Patent Grant
Switch device, electronic component, and battery system
- Patent number 10,964,495
- Issue date Mar 30, 2021
- Dexerials Corporation
- Yuji Furuuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Incontinence detection system
- Patent number 10,959,659
- Issue date Mar 30, 2021
- Hill-Rom Services, Inc.
- Gavin M. Monson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid-dispensing system, apparatus and method
- Patent number 10,906,057
- Issue date Feb 2, 2021
- Infineon Technologies AG
- Christian Illemann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Water fullness alarm device and a dehumidifier
- Patent number 10,852,176
- Issue date Dec 1, 2020
- HISENSE HOME APPLIANCES GROUP CO., LTD.
- Bingxiang Liang
- G01 - MEASURING TESTING
Information Patent Grant
Electronic unit having a diagnostic function
- Patent number 10,847,331
- Issue date Nov 24, 2020
- ENDRESS+HAUSER SE+CO.KG
- Michael Dötsch
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Two-wire circuit function by supply modulation
- Patent number 10,845,230
- Issue date Nov 24, 2020
- Methode Electronics, Inc.
- Assed Mir
- G01 - MEASURING TESTING
Information Patent Grant
Invertible optical float switch
- Patent number 10,840,045
- Issue date Nov 17, 2020
- Christopher E. Cox
- G02 - OPTICS
Information Patent Grant
Sump pump control
- Patent number 10,794,379
- Issue date Oct 6, 2020
- Alderon Industries, Inc.
- Alexander Richard Guetter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Submersible level sensing with transducer and jacketed cable
- Patent number 10,788,350
- Issue date Sep 29, 2020
- LOFA Industries, LLC
- Frank Norris
- G05 - CONTROLLING REGULATING
Information Patent Grant
Power electronics installation
- Patent number 10,787,091
- Issue date Sep 29, 2020
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Christian Metzger
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Float assembly
- Patent number 10,770,250
- Issue date Sep 8, 2020
- Carlos Rosa
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Modulating makeup fluid control systems and methods for same
- Patent number 10,697,655
- Issue date Jun 30, 2020
- PURE HUMIDIFIER COMPANY
- Matthew W. Abel
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Electronic device with rotatable switch
- Patent number 10,672,576
- Issue date Jun 2, 2020
- 9609385 CANADA INC.
- Timothy D. F. Ford
- F21 - LIGHTING
Information Patent Grant
Level switches
- Patent number 10,656,005
- Issue date May 19, 2020
- ROSEMOUNT MEASUREMENT LIMITED
- Jeffery Allan Sears
- G01 - MEASURING TESTING
Information Patent Grant
Switch device, electronic component, and battery system
- Patent number 10,593,494
- Issue date Mar 17, 2020
- Dexerials Corporation
- Yuji Furuuchi
- G01 - MEASURING TESTING
Information Patent Grant
Humidifier with water flow control between an upper tank and a lowe...
- Patent number 10,578,325
- Issue date Mar 3, 2020
- Great Innovations, LLC
- Joseph A. McDonnell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Float switch
- Patent number 10,553,379
- Issue date Feb 4, 2020
- SHIMGE PUMP INDUSTRY CO., LTD.
- Lidong Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flow or level sensor/switch system
- Patent number 10,539,441
- Issue date Jan 21, 2020
- Thomas R. Duksa
- G01 - MEASURING TESTING
Information Patent Grant
Circulating liquid bath with dual reservoir level switch
- Patent number 10,532,359
- Issue date Jan 14, 2020
- Thermo Neslab LLC
- Don A. Enos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Self regulating mechanism for storage water heater
- Patent number 10,395,867
- Issue date Aug 27, 2019
- William Atchison
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DRAIN CLEANER APPARATUS
- Publication number 20240335866
- Publication date Oct 10, 2024
- Joseph MCDONNELL
- B08 - CLEANING
Information Patent Application
MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME
- Publication number 20240159406
- Publication date May 16, 2024
- Pure Humidifier Company
- Matthew W. Abel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPRING ACTUATED FLOAT SWITCH
- Publication number 20230352256
- Publication date Nov 2, 2023
- Alderon Industries, Inc.
- Robert Gordon Klabunde
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHING DEVICE AND A LIQUID LEVEL DETECTION APPARATUS EMPLOYING T...
- Publication number 20230132194
- Publication date Apr 27, 2023
- Erjian SONG
- G01 - MEASURING TESTING
Information Patent Application
BATTERY DISCONNECTION USING WATER SENSING FOR UNDERWATER BATTERY-PO...
- Publication number 20220189718
- Publication date Jun 16, 2022
- Zodiac Pool Systems LLC
- Dindo Uy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME
- Publication number 20210332994
- Publication date Oct 28, 2021
- Pure Humidifier Company
- Matthew W. Abel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEM AND METHOD FOR DETECTING AND ALERTING OF FLOODING IN TELECOM...
- Publication number 20210306467
- Publication date Sep 30, 2021
- Saudi Arabian Oil Company
- Naji Nassir Al-Motairy
- G08 - SIGNALLING
Information Patent Application
Liquid-Dispensing System, Apparatus and Method
- Publication number 20210078027
- Publication date Mar 18, 2021
- INFINEON TECHNOLOGIES AG
- Christian Illemann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STRUCTURE FOR OPERATING WATERTIGHT DOOR BY BUOYANCY
- Publication number 20210032916
- Publication date Feb 4, 2021
- KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
- In Hwan PARK
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME
- Publication number 20210003299
- Publication date Jan 7, 2021
- Pure Humidifier Company
- Matthew W. Abel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCH DEVICE AND PROTECTIVE DEVICE
- Publication number 20200321175
- Publication date Oct 8, 2020
- DEXERIALS CORPORATION
- Yuji FURUUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIQUID LEVEL SENSOR MOUNTING SYSTEMS AND METHODS
- Publication number 20200088442
- Publication date Mar 19, 2020
- Johnson Controls Technology Company
- Ravindra B. Salunkhe
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ADJUSTABLE ADD-ON APPARATUSES FOR A SWITCH AND ASSOCIATED METHODS
- Publication number 20190378670
- Publication date Dec 12, 2019
- PITYU CONTROLS INC.
- Stevan DOBI
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MAGNETIC FLOAT SWITCH
- Publication number 20190371549
- Publication date Dec 5, 2019
- Metropolitan Industries, Inc.
- James Andrew Nimmer
- G01 - MEASURING TESTING
Information Patent Application
Two-Wire Circuit Function By Supply Modulation
- Publication number 20190323876
- Publication date Oct 24, 2019
- METHODE ELECTRONICS, INC.
- Assed Mir
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Incontinence Detection System
- Publication number 20190254583
- Publication date Aug 22, 2019
- HILL-ROM SERVICES, INC.
- Gavin M. Monson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SUMP PUMP CONTROL
- Publication number 20190242374
- Publication date Aug 8, 2019
- Alderon Industries, Inc.
- Alexander Richard Guetter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC DEVICE WITH ROTATABLE SWITCH
- Publication number 20190237282
- Publication date Aug 1, 2019
- 9609385 CANADA INC.
- Timothy D.F. Ford
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WATER FULLNESS ALARM DEVICE AND A DEHUMIDIFIER
- Publication number 20190101432
- Publication date Apr 4, 2019
- Hisense Kelon Electrical Holdings Co., Ltd.
- Bingxiang Liang
- F24 - HEATING RANGES VENTILATING
Information Patent Application
SWITCH DEVICE AND PROTECTIVE DEVICE
- Publication number 20190066953
- Publication date Feb 28, 2019
- DEXERIALS CORPORATION
- Yuji FURUUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLOAT SWITCH
- Publication number 20190066952
- Publication date Feb 28, 2019
- SHIMGE PUMP INDUSTRY CO., LTD.
- Lidong LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC UNIT HAVING A DIAGNOSTIC FUNCTION
- Publication number 20190013166
- Publication date Jan 10, 2019
- Endress+Hauser SE+Co. KG
- Michael Dötsch
- G01 - MEASURING TESTING
Information Patent Application
Flow or Level Sensor/Switch System
- Publication number 20180348028
- Publication date Dec 6, 2018
- Thomas Products Ltd.
- Thomas R. Duksa
- G01 - MEASURING TESTING
Information Patent Application
OVERFLOW PREVENTER
- Publication number 20180328597
- Publication date Nov 15, 2018
- Louis Martire
- F24 - HEATING RANGES VENTILATING
Information Patent Application
METHODS FOR CONTROLLING THE POWER SUPPLY OF A VACUUM CLEANER MOTOR
- Publication number 20180323023
- Publication date Nov 8, 2018
- Emerson Electric Co.
- Stuart V. Holsten
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
SWITCH DEVICE, ELECTRONIC COMPONENT, AND BATTERY SYSTEM
- Publication number 20180301302
- Publication date Oct 18, 2018
- DEXERIALS CORPORATION
- Yuji FURUUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCH DEVICE, ELECTRONIC COMPONENT, AND BATTERY SYSTEM
- Publication number 20180294118
- Publication date Oct 11, 2018
- DEXERIALS CORPORATION
- Yuji FURUUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME
- Publication number 20180180310
- Publication date Jun 28, 2018
- Pure Humidifier Company
- Matthew W. Abel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SELF REGULATING MECHANISM FOR STORAGE WATER HEATER
- Publication number 20180084607
- Publication date Mar 22, 2018
- William Atchison
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OVERFLOW PREVENTER
- Publication number 20180080661
- Publication date Mar 22, 2018
- Louis Martire
- H01 - BASIC ELECTRIC ELEMENTS

Switches operated by change of liquid level or of liquid density

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Drain cleaner apparatus

System for controlling the supply of water to a rooftop water tank

Switching device and a liquid level detection apparatus employing t...

Drain cleaner apparatus

Modulating makeup fluid control systems and methods for same

Structure for operating watertight door by buoyancy

Liquid level sensor mounting systems and methods

System and method for detecting and alerting of flooding in telecom...

Methods for controlling the power supply of a vacuum cleaner motor

Magnetic float switch

Switch device, electronic component, and battery system

Incontinence detection system

Liquid-dispensing system, apparatus and method

Water fullness alarm device and a dehumidifier

Electronic unit having a diagnostic function

Two-wire circuit function by supply modulation

Invertible optical float switch

Sump pump control

Submersible level sensing with transducer and jacketed cable

Power electronics installation

Float assembly

Modulating makeup fluid control systems and methods for same

Electronic device with rotatable switch

Level switches

Switch device, electronic component, and battery system

Humidifier with water flow control between an upper tank and a lowe...

Float switch

Flow or level sensor/switch system

Circulating liquid bath with dual reservoir level switch

Self regulating mechanism for storage water heater

Patents Applicationslast 30 patents

DRAIN CLEANER APPARATUS

MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME

SPRING ACTUATED FLOAT SWITCH

SWITCHING DEVICE AND A LIQUID LEVEL DETECTION APPARATUS EMPLOYING T...

BATTERY DISCONNECTION USING WATER SENSING FOR UNDERWATER BATTERY-PO...

MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME

SYSTEM AND METHOD FOR DETECTING AND ALERTING OF FLOODING IN TELECOM...

Liquid-Dispensing System, Apparatus and Method

STRUCTURE FOR OPERATING WATERTIGHT DOOR BY BUOYANCY

MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME

SWITCH DEVICE AND PROTECTIVE DEVICE

LIQUID LEVEL SENSOR MOUNTING SYSTEMS AND METHODS

ADJUSTABLE ADD-ON APPARATUSES FOR A SWITCH AND ASSOCIATED METHODS

MAGNETIC FLOAT SWITCH

Two-Wire Circuit Function By Supply Modulation

Incontinence Detection System

SUMP PUMP CONTROL

ELECTRONIC DEVICE WITH ROTATABLE SWITCH

WATER FULLNESS ALARM DEVICE AND A DEHUMIDIFIER

SWITCH DEVICE AND PROTECTIVE DEVICE

FLOAT SWITCH

ELECTRONIC UNIT HAVING A DIAGNOSTIC FUNCTION

Flow or Level Sensor/Switch System

OVERFLOW PREVENTER

METHODS FOR CONTROLLING THE POWER SUPPLY OF A VACUUM CLEANER MOTOR

SWITCH DEVICE, ELECTRONIC COMPONENT, AND BATTERY SYSTEM

SWITCH DEVICE, ELECTRONIC COMPONENT, AND BATTERY SYSTEM

MODULATING MAKEUP FLUID CONTROL SYSTEMS AND METHODS FOR SAME

SELF REGULATING MECHANISM FOR STORAGE WATER HEATER

OVERFLOW PREVENTER