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  • F04C2270/052
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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

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Industries

Patents Grantslast 30 patents

  • 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

    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

    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

    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

    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

    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

    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...
  • Information Patent Grant

    Variable capacity screw compressor and method
    • Patent number 11,486,396
    • Issue date Nov 1, 2022
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid coupling drive system for a drill rig air compressor
    • Patent number 11,441,369
    • Issue date Sep 13, 2022
    • Joy Global Surface Mining Inc
    • Arnold Law
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Air conditioner provided with means for predicting and detecting fa...
    • Patent number 11,280,530
    • Issue date Mar 22, 2022
    • HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    • Shuuhei Tada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method for controlling a rotary screw compressor
    • Patent number 11,193,489
    • Issue date Dec 7, 2021
    • Gardner Denver Deutschland GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity screw compressor and method
    • Patent number 11,022,117
    • Issue date Jun 1, 2021
    • TRANE INTERNATIONAL INC.
    • Dennis M. Beekman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    In-vehicle motor-driven compressor and method for controlling in-ve...
    • Patent number 10,989,195
    • Issue date Apr 27, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Takashi Kawashima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with liquid injection cooling
    • Patent number 10,962,012
    • Issue date Mar 30, 2021
    • HICOR TECHNOLOGIES, INC.
    • Pedro Santos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity screw compressor and method
    • Patent number 10,941,770
    • Issue date Mar 9, 2021
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System to pump fluid and control thereof
    • Patent number 10,865,788
    • Issue date Dec 15, 2020
    • Project Phoenix, LLC
    • Thomas Afshari
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method for operating a rolling piston compressor
    • Patent number 10,823,172
    • Issue date Nov 3, 2020
    • Haier US Appliance Solutions, Inc.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for regulating the rotational speed of a compressor as a fun...
    • Patent number 10,815,997
    • Issue date Oct 27, 2020
    • Atlas Copco Airpower, naamloze vennootschap
    • Subodh Sharadchandra Patwardhan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage variable-displacement oil pump
    • Patent number 10,746,173
    • Issue date Aug 18, 2020
    • Myunghwa Ind. Co., Ltd.
    • Hyuneu Jung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll unloading detection system
    • Patent number 10,571,177
    • Issue date Feb 25, 2020
    • Emerson Climate Technologies, Inc.
    • Jacob A. Groshek
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method for twin screw positive displacement pump protection
    • Patent number 10,495,084
    • Issue date Dec 3, 2019
    • ITT Manufacturing Enterprises LLC.
    • Anthony E. Stavale
    • 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

    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

    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

    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

    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

    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

    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

    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
  • Information Patent Application

    PUMP WITH DETECTION OF ABSOLUTE ANGLE OF ROTATION
    • Publication number 20210262466
    • Publication date Aug 26, 2021
    • EBM-PAPST ST. GEORGEN GMBH & CO. KG
    • Wolfgang LAUFER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas Compressor
    • Publication number 20210156383
    • Publication date May 27, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Toshiaki YABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR OPERATING A ROLLING PISTON COMPRESSOR
    • Publication number 20190271315
    • Publication date Sep 5, 2019
    • UNIVERSITY OF LOUISVILLE RESEARCH FOUNDATION, INC.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Unloading Detection System
    • Publication number 20190219316
    • Publication date Jul 18, 2019
    • Emerson Climate Technologies, Inc.
    • Jacob A. GROSHEK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TWO-STAGE VARIABLE-DISPLACEMENT OIL PUMP
    • Publication number 20190120227
    • Publication date Apr 25, 2019
    • MYUNGHWA IND. CO., LTD.
    • Hyuneu JUNG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System to Pump Fluid and Control Thereof
    • Publication number 20180291895
    • Publication date Oct 11, 2018
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR SYSTEM WITH INTERNAL AIR-WATER COOLING
    • Publication number 20180291904
    • Publication date Oct 11, 2018
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Frank Georg Klaus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas Compressor
    • Publication number 20180291901
    • Publication date Oct 11, 2018
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Toshiaki YABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20180291902
    • Publication date Oct 11, 2018
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...