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F04C2270/24
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Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F04
Liquid pumps
F04C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
F04C2270/00
Control Monitoring or safety arrangements
Current Industry
F04C2270/24
Level of liquid
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Patents Grants
last 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 Applications
last 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