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CPC
F04C2270/24

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C2270/00Control Monitoring or safety arrangements

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F04C2270/24Level of liquid

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Patents Grantslast 30 patents

Information Patent Grant
Screw compressor for a utility vehicle
- Patent number 11,994,129
- Issue date May 28, 2024
- KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Gilles Hebrard
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil control for climate-control system
- Patent number 11,874,031
- Issue date Jan 16, 2024
- Copeland LP
- Michael A. Saunders
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor, refrigerant compressing apparatus, and refrigerating ap...
- Patent number 11,773,838
- Issue date Oct 3, 2023
- Mitsubishi Electric Corporation
- Yuki Tamura
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Refrigerant compressor unit
- Patent number 11,542,945
- Issue date Jan 3, 2023
- Bitzer Kuehlmaschinenbau GmbH
- Tihomir Mikulic
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil control for climate-control system
- Patent number 11,300,328
- Issue date Apr 12, 2022
- Emerson Climate Technologies, Inc.
- Michael M. Perevozchikov
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method of monitoring a fluid level within a fluid volume
- Patent number 11,150,673
- Issue date Oct 19, 2021
- HYDRO AID LLC
- Eugene Bright
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor system and system for maintaining a desired oil level
- Patent number 11,002,277
- Issue date May 11, 2021
- INGERSOLL-RAND INDUSTRIAL U.S. INC.
- Mallikarjun Jayadevappa Jambigi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method for operating an oil level regulator
- Patent number 10,767,640
- Issue date Sep 8, 2020
- Kriwan Industrie-Elektronik GmbH
- Franz Stoll
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Multiple compressor configuration with oil-balancing system
- Patent number 10,641,268
- Issue date May 5, 2020
- Emerson Climate Technologies, Inc.
- Troy Richard Brostrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil equalization configuration for multiple compressor systems cont...
- Patent number 10,612,549
- Issue date Apr 7, 2020
- Bitzer Kuehlmaschinenbau GmbH
- Bruce A. Fraser
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oilless compressor
- Patent number 10,550,841
- Issue date Feb 4, 2020
- Hitachi Industrial Equipment Systems Co., Ltd.
- Masayuki Kasahara
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil equalization configuration for multiple compressor systems cont...
- Patent number 10,495,089
- Issue date Dec 3, 2019
- Bitzer Kuehlmashinenbau GmbH
- Bruce A. Fraser
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
System including high-side and low-side compressors
- Patent number 10,378,539
- Issue date Aug 13, 2019
- Emerson Climate Technologies, Inc.
- Michael M. Perevozchikov
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Compressor having oil-level sensing system
- Patent number 10,180,139
- Issue date Jan 15, 2019
- Emerson Climate Technologies, Inc.
- Troy Richard Brostrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor and method of autonomously inspecting oil
- Patent number 10,161,401
- Issue date Dec 25, 2018
- LG Electronics Inc.
- Taeshin Kim
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor having oil-level sensing system
- Patent number 10,125,768
- Issue date Nov 13, 2018
- Emerson Climate Technologies, Inc.
- Troy Richard Brostrom
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Compressor having oil-level sensing system
- Patent number 10,094,382
- Issue date Oct 9, 2018
- Emerson Climate Technologies, Inc.
- Troy Richard Brostrom
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor assembly with liquid sensor
- Patent number 10,041,487
- Issue date Aug 7, 2018
- Emerson Climate Technologies, Inc.
- Sunil S. Kulkarni
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Water-injected gas compressor and method for controlling the water...
- Patent number 9,970,692
- Issue date May 15, 2018
- Gardner Denver Deutschland GmbH
- Frank Georg Klaus
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Rotary compressor and rotation mechanism
- Patent number 9,850,900
- Issue date Dec 26, 2017
- Emerson Climate Technologies (Suzhou) Co., Ltd.
- Chunzhi Mao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor assembly with liquid sensor
- Patent number 9,784,274
- Issue date Oct 10, 2017
- Emerson Climate Technologies, Inc.
- Troy R. Brostrom
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method of active oil management for multiple scroll compressors
- Patent number 9,689,386
- Issue date Jun 27, 2017
- Bitzer Kuehlmaschinenbau GmbH
- Bruce A. Fraser
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compression device and a thermodynamic system comprising such a com...
- Patent number 9,551,351
- Issue date Jan 24, 2017
- Danfoss Commercial Compressors
- Jean De Bernardi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Oil level detecting device for a compressor and an air conditioning...
- Patent number RE46091
- Issue date Aug 2, 2016
- LG Electronics Inc.
- Inho Won
- 001 -
Information Patent Grant
Motor-driven compressor and controller therefor
- Patent number 8,834,131
- Issue date Sep 16, 2014
- Kabushiki Kaisha Toyota Jidoshokki
- Takashi Kawashima
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil level detecting device for a compressor and an air conditioning...
- Patent number 8,733,116
- Issue date May 27, 2014
- LG Electronics Inc.
- Inho Won
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fluid machine and refrigeration cycle apparatus
- Patent number 8,398,387
- Issue date Mar 19, 2013
- Panasonic Corporation
- Yu Shiotani
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Horizontal type scroll compressor including a first space and a sec...
- Patent number 7,628,593
- Issue date Dec 8, 2009
- Hitachi Appliances, Inc.
- Takao Mizuno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Air-conditioner for use in an automobile
- Patent number 6,682,322
- Issue date Jan 27, 2004
- Hitachi, Ltd.
- Sunao Funakoshi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Oil level control system
- Patent number 6,125,642
- Issue date Oct 3, 2000
- Sporlan Valve Company
- G. Thomas Seener
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR DETECTING AND MONITORING CONDENSATE IN AN OIL SYSTEM OF...
- Publication number 20240151230
- Publication date May 9, 2024
- ATLAS COPCO AIRPOWER, naamloze vennootschap
- Jeroen Alois M. FIRLEFIJN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
System Including High-Side And Low-Side Compressors
- Publication number 20190360488
- Publication date Nov 28, 2019
- Emerson Climate Technologies, Inc.
- Michael M. PEREVOZCHIKOV
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
OIL EQUALIZATION CONFIGURATION FOR MULTIPLE COMPRESSOR SYSTEMS CONT...
- Publication number 20190285070
- Publication date Sep 19, 2019
- Bruce A. Fraser
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
METHOD FOR REGULATING THE LIQUID INJECTION OF A COMPRESSOR, A LIQUI...
- Publication number 20180363652
- Publication date Dec 20, 2018
- ATLAS COPCO AIRPOWER, naamloze vennootschap
- Johan Julia J. DOM
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPRESSOR, REFRIGERANT COMPRESSING APPARATUS, AND REFRIGERATING AP...
- Publication number 20180347556
- Publication date Dec 6, 2018
- Mitsubishi Electric Corporation
- Yuki TAMURA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Compressor Having Oil-Level Sensing System
- Publication number 20170089340
- Publication date Mar 30, 2017
- Emerson Climate Technologies, Inc.
- Troy Richard BROSTROM
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
WATER-INJECTED GAS COMPRESSOR AND METHOD FOR CONTROLLING THE WATER...
- Publication number 20140363310
- Publication date Dec 11, 2014
- Frank Georg KLAUS
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ROTARY COMPRESSOR AND ROTATION MECHANISM
- Publication number 20140044581
- Publication date Feb 13, 2014
- EMERSON CLIMATE TECHNOLOGIES (SUZHOU) CO., LTD.
- Chunzhi Mao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Oil Equalization Configuration for Multiple Compressor Systems Cont...
- Publication number 20140037484
- Publication date Feb 6, 2014
- Bitzer Kuehlmaschinenbau GmbH
- Bruce A. Fraser
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Method of Active Oil Management for Multiple Scroll Compressors
- Publication number 20140037483
- Publication date Feb 6, 2014
- Bitzer Kuehlmaschinenbau GmbH
- Bruce A. Fraser
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR SYSTEM
- Publication number 20140017110
- Publication date Jan 16, 2014
- Rotorcomp Verdichter GmbH
- Alexandr Zemliak
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
THERMODYNAMIC SYSTEM PROVIDED WITH A PLURALITY OF COMPRESSORS
- Publication number 20130298594
- Publication date Nov 14, 2013
- Danfoss Commercial Compressors
- Patrice Bonnefoi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPRESSION DEVICE, AND A THERMODYNAMIC SYSTEM COMPRISING SUCH A CO...
- Publication number 20130177404
- Publication date Jul 11, 2013
- Danfoss Commercial Compressors
- Jean BERNARDI
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPRESSION DEVICE AND A THERMODYNAMIC SYSTEM COMPRISING SUCH A COM...
- Publication number 20130136622
- Publication date May 30, 2013
- Danfoss Commercial Compressors
- Jean DE BERNARDI
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
MOTOR-DRIVEN COMPRESSOR AND CONTROLLER THEREFOR
- Publication number 20120107141
- Publication date May 3, 2012
- KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
- Takashi KAWASHIMA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
OIL LEVEL DETECTING DEVICE FOR A COMPRESSOR AND AN AIR CONDITIONING...
- Publication number 20110239672
- Publication date Oct 6, 2011
- Inho Won
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS
- Publication number 20100202909
- Publication date Aug 12, 2010
- PANASONIC CORPORATION
- Yu Shiotani
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
HORIZONTAL TYPE SCROLL COMPRESSOR
- Publication number 20080008614
- Publication date Jan 10, 2008
- Takao Mizuno
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Air-conditioner for use in an automobile
- Publication number 20030082061
- Publication date May 1, 2003
- Sunao Funakoshi
- B60 - VEHICLES IN GENERAL

Level of liquid

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Screw compressor for a utility vehicle

Oil control for climate-control system

Compressor, refrigerant compressing apparatus, and refrigerating ap...

Refrigerant compressor unit

Oil control for climate-control system

Method of monitoring a fluid level within a fluid volume

Compressor system and system for maintaining a desired oil level

Method for operating an oil level regulator

Multiple compressor configuration with oil-balancing system

Oil equalization configuration for multiple compressor systems cont...

Oilless compressor

Oil equalization configuration for multiple compressor systems cont...

System including high-side and low-side compressors

Compressor having oil-level sensing system

Compressor and method of autonomously inspecting oil

Compressor having oil-level sensing system

Compressor having oil-level sensing system

Compressor assembly with liquid sensor

Water-injected gas compressor and method for controlling the water...

Rotary compressor and rotation mechanism

Compressor assembly with liquid sensor

Method of active oil management for multiple scroll compressors

Compression device and a thermodynamic system comprising such a com...

Oil level detecting device for a compressor and an air conditioning...

Motor-driven compressor and controller therefor

Oil level detecting device for a compressor and an air conditioning...

Fluid machine and refrigeration cycle apparatus

Horizontal type scroll compressor including a first space and a sec...

Air-conditioner for use in an automobile

Oil level control system

Patents Applicationslast 30 patents

METHOD FOR DETECTING AND MONITORING CONDENSATE IN AN OIL SYSTEM OF...

System Including High-Side And Low-Side Compressors

OIL EQUALIZATION CONFIGURATION FOR MULTIPLE COMPRESSOR SYSTEMS CONT...

METHOD FOR REGULATING THE LIQUID INJECTION OF A COMPRESSOR, A LIQUI...

COMPRESSOR, REFRIGERANT COMPRESSING APPARATUS, AND REFRIGERATING AP...

Compressor Having Oil-Level Sensing System

WATER-INJECTED GAS COMPRESSOR AND METHOD FOR CONTROLLING THE WATER...

ROTARY COMPRESSOR AND ROTATION MECHANISM

Oil Equalization Configuration for Multiple Compressor Systems Cont...

Method of Active Oil Management for Multiple Scroll Compressors

SCREW COMPRESSOR SYSTEM

THERMODYNAMIC SYSTEM PROVIDED WITH A PLURALITY OF COMPRESSORS

COMPRESSION DEVICE, AND A THERMODYNAMIC SYSTEM COMPRISING SUCH A CO...

COMPRESSION DEVICE AND A THERMODYNAMIC SYSTEM COMPRISING SUCH A COM...

MOTOR-DRIVEN COMPRESSOR AND CONTROLLER THEREFOR

OIL LEVEL DETECTING DEVICE FOR A COMPRESSOR AND AN AIR CONDITIONING...

FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS

HORIZONTAL TYPE SCROLL COMPRESSOR

Air-conditioner for use in an automobile