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  • CPC
  • F04C23/006
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Parent Industries

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 F04C23/00Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids Pumping installations specially adapted for elastic fluids Multi-stage pumps specially adapted for elastic fluids

Current Industry

F04C23/006having complementary function
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump system and method for operating a vacuum pump system
    • Patent number 12,140,146
    • Issue date Nov 12, 2024
    • LEYBOLD GMBH
    • Max Pelikan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual motor compressor
    • Patent number 11,499,538
    • Issue date Nov 15, 2022
    • Wood Industries Inc.
    • Jeffery Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Elastomer series coupling damper for supercharger
    • Patent number 11,353,067
    • Issue date Jun 7, 2022
    • EATON INTELLIGENT POWER LIMITED
    • Mark Harold Pratley
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vacuum pump system and method for operating a vacuum pump system
    • Patent number 11,286,934
    • Issue date Mar 29, 2022
    • LEYBOLD GMBH
    • Max Pelikan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cartridge style front cover and coupling cavity sleeve for automoti...
    • Patent number 10,808,701
    • Issue date Oct 20, 2020
    • Eaton Corporation
    • Michael E. Coates
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual motor compressor
    • Patent number 10,634,129
    • Issue date Apr 28, 2020
    • Wood Industries Inc.
    • Jeffery O. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for evacuating a corrosive effluent gas stream from a pro...
    • Patent number 10,625,205
    • Issue date Apr 21, 2020
    • Edwards Limited
    • Christopher Mark Bailey
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Device for conditioning flow of working fluids
    • Patent number 10,465,687
    • Issue date Nov 5, 2019
    • Howden Roots LLC
    • Dale E. Husted
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Elastomer series coupling damper for supercharger
    • Patent number 10,415,647
    • Issue date Sep 17, 2019
    • Eaton Corporation
    • Mark Harold Pratley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressing device
    • Patent number 10,234,183
    • Issue date Mar 19, 2019
    • Kobe Steel, Ltd.
    • Koichiro Hashimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of supercharging an internal combustion engine
    • Patent number 10,156,235
    • Issue date Dec 18, 2018
    • Hansen Engine Corporation
    • Craig N. Hansen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Screw air compressor with bypass
    • Patent number 10,082,142
    • Issue date Sep 25, 2018
    • Hansen Engine Corporation
    • Craig N. Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump system including scroll pump and secondary pumping mech...
    • Patent number 9,982,666
    • Issue date May 29, 2018
    • Agilient Technologies, Inc.
    • Ronald J. Forni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 9,897,103
    • Issue date Feb 20, 2018
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yuji Kamiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Methods and systems for maintaining a high vacuum in a vacuum enclo...
    • Patent number 9,574,564
    • Issue date Feb 21, 2017
    • GE ENERGY POWER CONVERSION TECHNOLOGY LTD.
    • Martin Richard Ingles
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and device for pumping of a process chamber
    • Patent number 9,558,969
    • Issue date Jan 31, 2017
    • Adixen Vacuum Products
    • Bertrand Seigeot
    • B08 - CLEANING
  • Information Patent Grant

    System, apparatus and methods for diverting airflow to a pressure s...
    • Patent number 9,528,518
    • Issue date Dec 27, 2016
    • Cummins Inc.
    • Thomas Robert Marsh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Portable, rotary vane vacuum pump with automatic vacuum breaking ar...
    • Patent number 9,080,569
    • Issue date Jul 14, 2015
    • Gregory S. Sundheim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage rotary expander, expander-integrated compressor, and refr...
    • Patent number 8,985,976
    • Issue date Mar 24, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yasufumi Takahashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 8,955,323
    • Issue date Feb 17, 2015
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yuji Kamiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Engine balancing supercharger
    • Patent number 8,925,528
    • Issue date Jan 6, 2015
    • Ford Global Technologies, LLC
    • Ray Alan Kach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Supercharger cooling
    • Patent number 8,752,531
    • Issue date Jun 17, 2014
    • James E. Bell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump/motor and fan driving device
    • Patent number 8,677,884
    • Issue date Mar 25, 2014
    • Komatsu Ltd.
    • Kenichi Ogasawara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ejector pump
    • Patent number 8,579,596
    • Issue date Nov 12, 2013
    • Edwards Limited
    • Graeme Huntley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combustion engine with feedback gear/rotary pump input
    • Patent number 8,555,611
    • Issue date Oct 15, 2013
    • Arthur Vanmoor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Supercharger cooling
    • Patent number 8,544,453
    • Issue date Oct 1, 2013
    • James E. Bell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine and refrigeration cycle apparatus
    • Patent number 8,408,024
    • Issue date Apr 2, 2013
    • Panasonic Corporation
    • Takeshi Ogata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Expander-compressor unit
    • Patent number 8,323,010
    • Issue date Dec 4, 2012
    • Panasonic Corporation
    • Shingo Oyagi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigeration cycle apparatus and fluid machine used therefor
    • Patent number 8,316,664
    • Issue date Nov 27, 2012
    • Panasonic Corporation
    • Hiroshi Hasegawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for powering an apparatus
    • Patent number 8,302,401
    • Issue date Nov 6, 2012
    • Hansen Engine Corporation
    • Craig N. Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM PUMP SYSTEM AND METHOD FOR OPERATING A VACUUM PUMP SYSTEM
    • Publication number 20230033429
    • Publication date Feb 2, 2023
    • Leybold GmbH
    • Max Pelikan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW EXPANDER, AND PLANT FOR RECOVERING ELECTRICAL ENERGY FROM HEA...
    • Publication number 20210388834
    • Publication date Dec 16, 2021
    • Bitzer Kuehlmaschinenbau GmbH
    • Marcus Blumhardt
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DUAL MOTOR COMPRESSOR
    • Publication number 20210108629
    • Publication date Apr 15, 2021
    • Wood Industries Inc.
    • Jeffery Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CARTRIDGE STYLE FRONT COVER AND COUPLING CAVITY SLEEVE FOR AUTOMOTI...
    • Publication number 20210017991
    • Publication date Jan 21, 2021
    • Eaton Intelligent Power Limited
    • Michael E. Coates
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELASTOMER SERIES COUPLING DAMPER FOR SUPERCHARGER
    • Publication number 20190360533
    • Publication date Nov 28, 2019
    • Eaton Intelligent Power Limited
    • Mark Harold Pratley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS FOR EVACUATING A CORROSIVE EFFLUENT GAS STREAM FROM A PRO...
    • Publication number 20180207581
    • Publication date Jul 26, 2018
    • Edwards Limited
    • Christopher Mark Bailey
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    METHOD OF SUPERCHARGING AN INTERNAL COMBUSTION ENGINE
    • Publication number 20180112588
    • Publication date Apr 26, 2018
    • CRAIG N. HANSEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR
    • Publication number 20180106184
    • Publication date Apr 19, 2018
    • CRAIG N. HANSEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    KINETIC ENERGY RECOVERY SYSTEM
    • Publication number 20160369783
    • Publication date Dec 22, 2016
    • EDWARDS LIMITED
    • NIGEL PAUL SCHOFIELD
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    RAMP-UP OPTIMIZING VACUUM SYSTEM
    • Publication number 20150139817
    • Publication date May 21, 2015
    • GARDNER DENVER THOMAS, INC.
    • Joseph L. KOWALSKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPERCHARGED INTERNAL COMBUSTION ENGINE
    • Publication number 20140326225
    • Publication date Nov 6, 2014
    • Jumpei Shioda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    METHODS AND SYSTEMS FOR MAINTAINING A HIGH VACUUM IN A VACUUM ENCLO...
    • Publication number 20140294605
    • Publication date Oct 2, 2014
    • GE Energy Power Conversion Technology Ltd.
    • Martin Richard Ingles
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Supercharger Cooling
    • Publication number 20140130782
    • Publication date May 15, 2014
    • James E. Bell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENGINE BALANCING SUPERCHARGER
    • Publication number 20130340726
    • Publication date Dec 26, 2013
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Ray Alan Kach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    JET ENGINE
    • Publication number 20130152544
    • Publication date Jun 20, 2013
    • José Ramón MARTÍNEZ CASAÑ
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Ejector Pump
    • Publication number 20120148421
    • Publication date Jun 14, 2012
    • Graeme Huntley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method for powering an apparatus
    • Publication number 20120041664
    • Publication date Feb 16, 2012
    • Craig N. Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Supercharging device for compressing charge air for an internal com...
    • Publication number 20120006305
    • Publication date Jan 12, 2012
    • Handtmann Systemtechnik GmbH & Co. KG
    • Hubert Hagel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Engine and supercharger
    • Publication number 20110204654
    • Publication date Aug 25, 2011
    • Craig N. Hansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid Machine
    • Publication number 20110167822
    • Publication date Jul 14, 2011
    • Junichirou Kasuya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR HAVING CAPACITY MODULATION SYSTEM
    • Publication number 20110103988
    • Publication date May 5, 2011
    • Emerson Climate Technologies, Inc.
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Supercharger Cooling
    • Publication number 20110073081
    • Publication date Mar 31, 2011
    • James E. Bell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO-STAGE ROTARY EXPANDER, EXPANDER-INTEGRATED COMPRESSOR, AND REFR...
    • Publication number 20110070115
    • Publication date Mar 24, 2011
    • PANASONIC CORPORATION
    • Yasufumi Takahashi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20110000227
    • Publication date Jan 6, 2011
    • Yuji KAMIYA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYDRAULIC PUMP/MOTOR AND FAN DRIVING DEVICE
    • Publication number 20100287926
    • Publication date Nov 18, 2010
    • Komatsu Ltd.
    • Kenichi Ogasawara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID MACHINE
    • Publication number 20100275638
    • Publication date Nov 4, 2010
    • PANASONIC CORPORATION
    • Hiroshi Hasegawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Engine
    • Publication number 20100251990
    • Publication date Oct 7, 2010
    • Kenneth McDonald
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXPANDER-COMPRESSOR UNIT
    • Publication number 20100254844
    • Publication date Oct 7, 2010
    • PANASONIC CORPORATION
    • Shingo Oyagi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS
    • Publication number 20100186439
    • Publication date Jul 29, 2010
    • PANASONIC CORPORATION
    • Takeshi Ogata
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    PORTABLE, ROTARY VANE VACUUM PUMP WITH AUTOMATIC VACUUM BREAKING AR...
    • Publication number 20100183467
    • Publication date Jul 22, 2010
    • Gregory S. Sundheim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...