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  • F04C14/22
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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 F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations

Current Industry

F04C14/22by changing the eccentricity between cooperating members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary vane pump
    • Patent number 12,297,739
    • Issue date May 13, 2025
    • Valeo Powertrain GmbH
    • Roland Stoessel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable-capacity oil pump
    • Patent number 12,297,829
    • Issue date May 13, 2025
    • Hitachi Astemo, Ltd.
    • Daisuke Kato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump
    • Patent number 12,286,970
    • Issue date Apr 29, 2025
    • Hitachi Astemo, Ltd.
    • Daisuke Kato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary pump comprising a setting structure spring having an offset...
    • Patent number 12,163,520
    • Issue date Dec 10, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Progressive cavity pump
    • Patent number 12,117,004
    • Issue date Oct 15, 2024
    • PROTEC CO., LTD.
    • Keon Hee Kim
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Fuel pump with determinant translating cam arrangement
    • Patent number 12,092,103
    • Issue date Sep 17, 2024
    • EATON INTELLIGENT POWER LIMITED
    • Martin Augustine Clements
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic automatic transmission bicycle
    • Patent number 12,049,282
    • Issue date Jul 30, 2024
    • Dong Won Lee
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Variable displacement lubricant pump having a radial inlet or outle...
    • Patent number 11,982,272
    • Issue date May 14, 2024
    • Pierburg Pump Technology GmbH
    • Massimiliano Lazzerini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement oil pump including swing member
    • Patent number 11,905,948
    • Issue date Feb 20, 2024
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary pump comprising an adjusting device
    • Patent number 11,873,812
    • Issue date Jan 16, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Moritz Raatschen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automotive variable mechanical lubricant pump
    • Patent number 11,852,137
    • Issue date Dec 26, 2023
    • Pierburg Pump Technology GmbH
    • Carmine Cuneo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pendulum oil pump
    • Patent number 11,828,288
    • Issue date Nov 28, 2023
    • Mahle International GmbH
    • Liviu Marinica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump changeable in diameter, in particular for medical applic...
    • Patent number 11,786,718
    • Issue date Oct 17, 2023
    • ECP ENTWICKLUNGSGESELLSCHAFT MBH
    • Reiner Liebing
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Reduced-noise rotary pump
    • Patent number 11,719,240
    • Issue date Aug 8, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Fabian Eisele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vaned pump device having fluid pressure chambers located outside th...
    • Patent number 11,713,758
    • Issue date Aug 1, 2023
    • Hitachi Astemo, Ltd.
    • Tetsuya Ishii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement lubricant pump
    • Patent number 11,698,071
    • Issue date Jul 11, 2023
    • Pierburg Pump Technology GmbH
    • Massimiliano Lazzerini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable oil pump
    • Patent number 11,668,299
    • Issue date Jun 6, 2023
    • Hyundai Motor Company
    • DongHoon Kang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump with improved pressure control and...
    • Patent number 11,635,076
    • Issue date Apr 25, 2023
    • SLW Automotive Inc.
    • Dennis N. Koenig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump having a side member including a triangular-shaped protru...
    • Patent number 11,598,334
    • Issue date Mar 7, 2023
    • KYB Corporation
    • Fumiyasu Kato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Helical spring for a pump having an adjustable delivery volume
    • Patent number 11,592,021
    • Issue date Feb 28, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Winfried Baur
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulsation phenomenon suppression mechanism of pump device
    • Patent number 11,578,719
    • Issue date Feb 14, 2023
    • Hitachi Astemo, Ltd.
    • Yukichi Sunaga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid pump changeable in diameter, in particular for medical applic...
    • Patent number 11,577,066
    • Issue date Feb 14, 2023
    • ECP ENTWICKLUNDGESELLSCHAFT MBH
    • Reiner Liebing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flow-optimised vane pump
    • Patent number 11,549,508
    • Issue date Jan 10, 2023
    • NIDEC GPM GmbH
    • Sebastian Sieder
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump having an adjustable specific delivery volume and a pre...
    • Patent number 11,542,940
    • Issue date Jan 3, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual vane pump with pre-pressurization passages
    • Patent number 11,519,407
    • Issue date Dec 6, 2022
    • Hamilton Sundstrand Corporation
    • Edward W. Goy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spool valve used in a variable vane pump
    • Patent number 11,493,036
    • Issue date Nov 8, 2022
    • Stackpole International Engineered Products, Ltd.
    • Paul Morton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure relief valve integrated in pivot pin of pump
    • Patent number 11,480,173
    • Issue date Oct 25, 2022
    • STACKPOLE INTERNATIONAL ENGINEERED PRODUCTS, LTD.
    • Abdalhameed Zubeidat
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual drive vane pump
    • Patent number 11,473,575
    • Issue date Oct 18, 2022
    • Hanon Systems EFP Canada Ltd.
    • Matthew Williamson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power generation controller of aircraft
    • Patent number 11,447,264
    • Issue date Sep 20, 2022
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Kenichi Nakashima
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vane cell pump comprising a pressure equalization connection
    • Patent number 11,434,906
    • Issue date Sep 6, 2022
    • Schwabische Huttenwerke Automotive GmbH
    • Tobias Iser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Variable-Capacity Oil Pump
    • Publication number 20240352932
    • Publication date Oct 24, 2024
    • Hitachi Astemo, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Pump
    • Publication number 20240344515
    • Publication date Oct 17, 2024
    • Hitachi Astemo, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP CHANGEABLE IN DIAMETER, IN PARTICULAR FOR MEDICAL APPLIC...
    • Publication number 20240149048
    • Publication date May 9, 2024
    • ECP ENTWICKLUNGSGESELLSCHAFT MBH
    • Reiner Liebing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSIVE CAVITY PUMP
    • Publication number 20240093685
    • Publication date Mar 21, 2024
    • PROTEC CO., LTD.
    • KEON HEE KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP CHANGEABLE IN DIAMETER, IN PARTICULAR FOR MEDICAL APPLIC...
    • Publication number 20230241372
    • Publication date Aug 3, 2023
    • ECP ENTWICKLUNGSGESELLSCHAFT MBH
    • Reiner Liebing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    ROTARY PUMP COMPRISING AN ADJUSTING DEVICE
    • Publication number 20230105862
    • Publication date Apr 6, 2023
    • Schwäbische Hüttenwerke Automotive GmbH
    • Moritz Raatschen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP COMPRISING A SETTING STRUCTURE SPRING HAVING AN OFFSET...
    • Publication number 20230032977
    • Publication date Feb 2, 2023
    • Schwäbische Hüttenwerke Automotive GmbH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20220381240
    • Publication date Dec 1, 2022
    • Toyoda Gosei Co., Ltd.
    • Shinya SAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20220316473
    • Publication date Oct 6, 2022
    • Hitachi Astemo, Ltd.
    • Atsushi NAGANUMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE OIL PUMP
    • Publication number 20220316472
    • Publication date Oct 6, 2022
    • Hyundai Motor Company
    • DongHoon Kang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT LUBRICANT PUMP
    • Publication number 20220307497
    • Publication date Sep 29, 2022
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MASSIMILIANO LAZZERINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC AUTOMATIC TRANSMISSION BICYCLE
    • Publication number 20220266948
    • Publication date Aug 25, 2022
    • Dong Won LEE
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    VARIABLE DISPLACEMENT LUBRICANT PUMP
    • Publication number 20220235766
    • Publication date Jul 28, 2022
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MASSIMILIANO LAZZERINI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID PUMP CHANGEABLE IN DIAMETER, IN PARTICULAR FOR MEDICAL APPLIC...
    • Publication number 20220233839
    • Publication date Jul 28, 2022
    • ECP ENTWICKLUNGSGESELLSCHAFT MBH
    • Reiner Liebing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT LUBRICANT PUMP
    • Publication number 20220228588
    • Publication date Jul 21, 2022
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MASSIMILIANO LAZZERINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20220145883
    • Publication date May 12, 2022
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL VANE PUMP WITH PRE-PRESSURIZATION PASSAGES
    • Publication number 20220128051
    • Publication date Apr 28, 2022
    • HAMILTON SUNDSTRAND CORPORATION
    • Edward W. Goy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HELICAL SPRING FOR A PUMP HAVING AN ADJUSTABLE DELIVERY VOLUME
    • Publication number 20220065248
    • Publication date Mar 3, 2022
    • Schwäbische Hüttenwerke Automotive GmbH
    • Winfried Baur
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dual Drive Vane Pump
    • Publication number 20210355941
    • Publication date Nov 18, 2021
    • Hanon Systems EFP Canada Ltd.
    • Matthew WILLIAMSON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP APPARATUS
    • Publication number 20210324854
    • Publication date Oct 21, 2021
    • Hitachi Astemo, Ltd.
    • Jun SOEDA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    REDUCED-NOISE ROTARY PUMP
    • Publication number 20210293238
    • Publication date Sep 23, 2021
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Fabian Eisele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP CHANGEABLE IN DIAMETER, IN PARTICULAR FOR MEDICAL APPLIC...
    • Publication number 20210162198
    • Publication date Jun 3, 2021
    • ECP ENTWICKLUNGSGESELLSCHAFT MBH
    • Reiner Liebing
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FLUID TRANSFER APPARATUS
    • Publication number 20210123438
    • Publication date Apr 29, 2021
    • Korea Atomic Energy Research Institute
    • Yongkwon KOH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMOTIVE LIQUID PENDULUM VANE PUMP
    • Publication number 20210115919
    • Publication date Apr 22, 2021
    • PIERBURG PUMP TECHNOLOGY GMBH
    • RAFFAELE SQUARCINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20210048025
    • Publication date Feb 18, 2021
    • Hitachi Automotive Systems, Ltd.
    • Tetsuya ISHII
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS FOR A COUNTERBALANCE FOR AN ECCENTRIC MOTOR
    • Publication number 20210010471
    • Publication date Jan 14, 2021
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Jeffrey HEMPHILL
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AUTOMOTIVE VARIABLE MECHANICAL LUBRICANT PUMP
    • Publication number 20200400142
    • Publication date Dec 24, 2020
    • PIERBURG PUMP TECHNOLOGY GMBH
    • CARMINE CUNEO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE DISPLACEMENT ROTARY VANE PUMP
    • Publication number 20200378382
    • Publication date Dec 3, 2020
    • O.M.P. OFFICINE MAZZOCCO PAGNONI S.R.L.
    • Giuseppe LO BIUNDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPOOL VALVE USED IN A VARIABLE VANE PUMP
    • Publication number 20200370551
    • Publication date Nov 26, 2020
    • Stackpole International Engineered Products, Ltd.
    • Paul MORTON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...