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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

Current Industry

F04C2270/05Speed
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for operating a compressor
    • Patent number 12,203,472
    • Issue date Jan 21, 2025
    • Haier US Appliance Solutions, Inc.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump device
    • Patent number 12,196,202
    • Issue date Jan 14, 2025
    • Mikuni Corporation
    • Hideaki Kusanagi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control of liquid ring pump
    • Patent number 12,188,473
    • Issue date Jan 7, 2025
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    EGR pump system and control method of EGR pump
    • Patent number 12,188,437
    • Issue date Jan 7, 2025
    • EATON INTELLIGENT POWER LIMITED
    • Douglas Anthony Hughes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pumping system having a plurality of positive displacement v...
    • Patent number 12,173,712
    • Issue date Dec 24, 2024
    • Agilent Technologies, Inc.
    • Christian Spada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High efficiency seal oil system
    • Patent number 12,173,844
    • Issue date Dec 24, 2024
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Axel Jaeschke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant bypass solution
    • Patent number 12,104,836
    • Issue date Oct 1, 2024
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for controlling a rotary screw compressor
    • Patent number 12,092,110
    • Issue date Sep 17, 2024
    • Gardner Denver Deutschland GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for controlling the rotational speed of an electric motor dr...
    • Patent number 12,066,024
    • Issue date Aug 20, 2024
    • Volvo Truck Corporation
    • Hugo Bebon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System to pump fluid and control thereof
    • Patent number 12,060,878
    • Issue date Aug 13, 2024
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    EGR pump system and control method of EGR pump
    • Patent number 12,006,896
    • Issue date Jun 11, 2024
    • Eaton Intelligent Power Limited
    • Douglas Anthony Hughes
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Pump speed controlling method and apparatus, a computer program and...
    • Patent number 12,006,935
    • Issue date Jun 11, 2024
    • Atlas Copco Airpower N.V.
    • Simon Candries
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Machine for depressurizing or compressing gaseous media
    • Patent number 11,939,978
    • Issue date Mar 26, 2024
    • Bitzer Kuehlmaschinenbau GmbH
    • Marcus Blumhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity screw compressor and method
    • Patent number 11,933,301
    • Issue date Mar 19, 2024
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic fluid flow control
    • Patent number 11,920,615
    • Issue date Mar 5, 2024
    • Goodrich Corporation
    • Harald Klode
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Refrigerant bypass solution
    • Patent number 11,859,884
    • Issue date Jan 2, 2024
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System to pump fluid and control thereof
    • Patent number 11,846,283
    • Issue date Dec 19, 2023
    • Project Phoenix, LLC
    • Thomas Afshari
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Power saving vacuuming pump system based on complete-bearing-sealin...
    • Patent number 11,815,095
    • Issue date Nov 14, 2023
    • ELIVAL CO., LTD
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly having a controller including a circuit board and 3D...
    • Patent number 11,796,555
    • Issue date Oct 24, 2023
    • Stackpole International Engineered Products, Ltd.
    • Liping Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor
    • Patent number 11,773,855
    • Issue date Oct 3, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Toshiaki Yabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and monitoring system
    • Patent number 11,761,443
    • Issue date Sep 19, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yuya Ota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Noise and vibration management for smoke evacuation system
    • Patent number 11,725,664
    • Issue date Aug 15, 2023
    • MegaDyne Medical Products, Inc.
    • Chad S. Frampton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for controlling a rotary screw compressor
    • Patent number 11,686,310
    • Issue date Jun 27, 2023
    • Gardner Denver Deutschland GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with detection of absolute angle of rotation
    • Patent number 11,644,032
    • Issue date May 9, 2023
    • ebm-papst St. Georgen GmbH & Co. KG
    • Wolfgang Laufer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor and method for controlling same
    • Patent number 11,585,335
    • Issue date Feb 21, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Norio Aoyagi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly for a vehicle, and control system for a pump assembly...
    • Patent number 11,578,720
    • Issue date Feb 14, 2023
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Waldemar Hebisch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for operation control of compressor and the compressor
    • Patent number 11,560,893
    • Issue date Jan 24, 2023
    • Hokuetsu Industries Co., Ltd.
    • Takahiro Oguma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 11,536,268
    • Issue date Dec 27, 2022
    • KYB Corporation
    • Kohei Kubo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable speed drive with secondary windings
    • Patent number 11,512,885
    • Issue date Nov 29, 2022
    • Johnson Controls Tyco IP Holdings LLP
    • David F. Saylor
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and screw spindle pump for delivering a gas/liquid mixture
    • Patent number 11,486,391
    • Issue date Nov 1, 2022
    • LEISTRITZ PUMPEN GMBH
    • Roland Maurischat
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20240401595
    • Publication date Dec 5, 2024
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20240301882
    • Publication date Sep 12, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Akihiro YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL METHOD FOR COMPRESSOR AND COMPRESSOR SYSTEM
    • Publication number 20240218878
    • Publication date Jul 4, 2024
    • DANFOSS (TIANJIN) LTD.
    • Yingke SUN
    • G01 - MEASURING TESTING
  • Information Patent Application

    HIGH EFFICIENCY SEAL OIL SYSTEM
    • Publication number 20240183491
    • Publication date Jun 6, 2024
    • Circor Pumps North America, LLC
    • Axel Jaeschke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method of Handling Gear Pump, Control System, Coating Apparatus and...
    • Publication number 20240141894
    • Publication date May 2, 2024
    • ABB Schweiz AG
    • Arnulf Krogedal
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CONTROL OF LIQUID RING PUMP
    • Publication number 20240133380
    • Publication date Apr 25, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERANT BYPASS SOLUTION
    • Publication number 20240102710
    • Publication date Mar 28, 2024
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHODS AND SYSTEMS FOR MOTOR-DRIVEN METERING PUMP
    • Publication number 20240077044
    • Publication date Mar 7, 2024
    • WOODWARD, INC.
    • Timothy D. Gronli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR OPERATING A COMPRESSOR
    • Publication number 20240035473
    • Publication date Feb 1, 2024
    • Haier US Appliance Solutions, Inc.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR STOPPING A VACUUM PUMP
    • Publication number 20240035472
    • Publication date Feb 1, 2024
    • Edwards S.R.O
    • Richard Glyn Horler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electrical Sprayer
    • Publication number 20230400025
    • Publication date Dec 14, 2023
    • MMLJ, Inc.
    • Benjamin LeCompte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20230349377
    • Publication date Nov 2, 2023
    • Toyota Jidosha Kabushiki Kaisha
    • Naoto ONODA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAULT RECTIFICATION METHOD FOR A PROGRESSIVE CAVITY PUMP OF A CONVE...
    • Publication number 20230349378
    • Publication date Nov 2, 2023
    • J. Wagner GmbH
    • Thorsten SCHNITTGER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLASTHOLE DRILL COMPRESSOR DRIVE SYSTEM
    • Publication number 20230340836
    • Publication date Oct 26, 2023
    • SANDVIK MINING AND CONSTRUCTION USA, LLC
    • Arnold Roberson LAW
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HYDRAULIC FLUID FLOW CONTROL
    • Publication number 20230332627
    • Publication date Oct 19, 2023
    • GOODRICH CORPORATION
    • HARALD KLODE
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20230279857
    • Publication date Sep 7, 2023
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY SCREW COMPRESSOR AND METHOD
    • Publication number 20230228269
    • Publication date Jul 20, 2023
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PUMP WITH VARIABLE SUCTION/DISCHARGE AMOUNT AND DRIVE DEVICE COMPOS...
    • Publication number 20230136689
    • Publication date May 4, 2023
    • JUI-CHENG CHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC OIL PUMP AND CONTROL SYSTEM THEREOF
    • Publication number 20230040215
    • Publication date Feb 9, 2023
    • Mikuni Corporation
    • Osamu MIURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING THE ROTATIONAL SPEED OF AN ELECTRIC MOTOR DR...
    • Publication number 20220325714
    • Publication date Oct 13, 2022
    • VOLVO TRUCK CORPORATION
    • Hugo BEBON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dual-Stage Compressor, Control Method Thereof and Air Conditioning...
    • Publication number 20220268280
    • Publication date Aug 25, 2022
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSIVE CAVITY PUMP SYSTEM HAVING REVERSE MODE
    • Publication number 20220178368
    • Publication date Jun 9, 2022
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Benigno Segundo Montilla Jimenez
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    REFRIGERANT BYPASS SOLUTION
    • Publication number 20220170465
    • Publication date Jun 2, 2022
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20220082100
    • Publication date Mar 17, 2022
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMPING SYSTEM HAVING A PLURALITY OF POSITIVE DISPLACEMENT V...
    • Publication number 20210372405
    • Publication date Dec 2, 2021
    • Agilent Technologies, Inc.
    • Christian Spada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POWER SAVING VACUUMING PUMP SYSTEM BASED ON COMPLETE-BEARING-SEALIN...
    • Publication number 20210372404
    • Publication date Dec 2, 2021
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MACHINE FOR DEPRESSURIZING OR COMPRESSING GASEOUS MEDIA
    • Publication number 20210363989
    • Publication date Nov 25, 2021
    • Bitzer Kuehlmaschinenbau GmbH
    • Franck Repentin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM TO PUMP FLUID AND CONTROL THEREOF
    • Publication number 20210317829
    • Publication date Oct 14, 2021
    • Project Phoenix, LLC
    • Thomas Afshari
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VARIABLE CAPACITY SCREW COMPRESSOR AND METHOD
    • Publication number 20210285447
    • Publication date Sep 16, 2021
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    System to Pump Fluid and Control Thereof
    • Publication number 20210277893
    • Publication date Sep 9, 2021
    • Project Phoenix, LLC
    • Thomas Afshari
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES