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  • CPC
  • F04C14/26
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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 F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations

Current Industry

F04C14/26using bypass channels
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Double pump
    • Patent number 12,123,410
    • Issue date Oct 22, 2024
    • DANHYDRA A/S
    • Thomas Hove
    • 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

    Test frame and methods for fluidly testing agricultural devices
    • Patent number 11,971,029
    • Issue date Apr 30, 2024
    • Precision Planting LLC
    • Ben L. Schlipf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dosing pump system
    • Patent number 11,965,496
    • Issue date Apr 23, 2024
    • Fernando A. Ubidia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump system
    • Patent number 11,933,294
    • Issue date Mar 19, 2024
    • IHI Corporation
    • Seiei Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump
    • Patent number 11,883,639
    • Issue date Jan 30, 2024
    • Fresenius Medical Care Deutschland GmbH
    • Simone Lippert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump system and method
    • Patent number 11,821,420
    • Issue date Nov 21, 2023
    • Tesla, Inc.
    • Scott Michael Graves
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Climate-control system having valve assembly
    • Patent number 11,656,003
    • Issue date May 23, 2023
    • Emerson Climate Technologies, Inc.
    • James W. McBean
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Anti-surge recycle valve
    • Patent number 11,624,456
    • Issue date Apr 11, 2023
    • VRG Controls, LLC
    • Vladimir Rimboym
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Positive displacement pump including an unloading device
    • Patent number 11,473,574
    • Issue date Oct 18, 2022
    • Deere & Company
    • Robert C. Emmert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic automatic transmission bicycle
    • Patent number 11,345,439
    • Issue date May 31, 2022
    • Dong Won Lee
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Fluid delivery device with a forepump, a main pump, and bypass line...
    • Patent number 11,248,602
    • Issue date Feb 15, 2022
    • Eckerle Technologies GmbH
    • Reinhard Pippes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump and respective multifunction valve
    • Patent number 11,236,744
    • Issue date Feb 1, 2022
    • Fluid-O-Tech, S.r.l.
    • Francesco Andreis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump apparatus having axially moving shaft bearing disposed adjacen...
    • Patent number 11,149,731
    • Issue date Oct 19, 2021
    • JTEKT Corporation
    • Yuuki Asaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement pump including an unloading device
    • Patent number 11,131,303
    • Issue date Sep 28, 2021
    • Deere & Company
    • Robert C. Emmert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic device that controls pulsation in first oil by increasing...
    • Patent number 10,865,812
    • Issue date Dec 15, 2020
    • Honda Motor Co., Ltd.
    • Shinichi Hirai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dosing pump system
    • Patent number 10,837,439
    • Issue date Nov 17, 2020
    • Micro Infinity Flow, LLC
    • Fernando A. Ubidia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power transfer system and method using a variable speed ratio regul...
    • Patent number 10,731,735
    • Issue date Aug 4, 2020
    • Mainstream Engineering Corporation
    • Jerald G. Wagner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thermo valve and oil pump
    • Patent number 10,677,118
    • Issue date Jun 9, 2020
    • Yamada Manufacturing Co., Ltd.
    • Junichi Miyajima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Transfer device
    • Patent number 10,641,266
    • Issue date May 5, 2020
    • Aisin AW Co., Ltd.
    • Mitsuhiro Takeda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Relief device of oil circuit of engine
    • Patent number 10,641,143
    • Issue date May 5, 2020
    • Yamada Manufacturing Co., Ltd.
    • Junichi Miyajima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic automatic transmission bicycle
    • Patent number 10,611,432
    • Issue date Apr 7, 2020
    • Dong Won Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    System for conveying a medium
    • Patent number 10,590,930
    • Issue date Mar 17, 2020
    • ITT Bornemann GmbH
    • Jens-Uwe Brandt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Relief valve structure
    • Patent number 10,591,073
    • Issue date Mar 17, 2020
    • Yamada Manufacturing Co., Ltd.
    • Yu Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump with conveying chamber formed in outer rotor surface
    • Patent number RE47590
    • Issue date Sep 3, 2019
    • Quantex Patents Limited
    • Richard P. Hayes-Pankhurst
  • Information Patent Grant

    Gear pump with dual pressure relief
    • Patent number 10,337,512
    • Issue date Jul 2, 2019
    • Carrier Corporation
    • Russell G. Lewis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 10,323,638
    • Issue date Jun 18, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 10,323,639
    • Issue date Jun 18, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement pump including an unloading device
    • Patent number 10,309,396
    • Issue date Jun 4, 2019
    • Deere & Company
    • Robert C. Emmert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Motor control system
    • Patent number 10,302,083
    • Issue date May 28, 2019
    • Schlumberger Technology Corporation
    • Geoffrey C. Downton
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DIRECT CONTROL FOR VARIABLE DISPLACEMENT PUMPS
    • Publication number 20240240631
    • Publication date Jul 18, 2024
    • HAMILTON SUNDSTRAND CORPORATION
    • Ryan Prescott Susca
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP SYSTEM AND METHOD
    • Publication number 20240060490
    • Publication date Feb 22, 2024
    • Tesla, Inc.
    • Scott Michael Graves
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Double pump
    • Publication number 20220403842
    • Publication date Dec 22, 2022
    • Danhydra A/S
    • Thomas Hove
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEMS AND METHODS FOR TESTING AGRICULTURAL IMPLEMENTS
    • Publication number 20220341421
    • Publication date Oct 27, 2022
    • PRECISION PLANTING LLC
    • Ben L. Schlipf
    • 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

    PUMP SYSTEM
    • Publication number 20220235767
    • Publication date Jul 28, 2022
    • IHI Corporation
    • Seiei MASUDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP INCLUDING AN UNLOADING DEVICE
    • Publication number 20210262464
    • Publication date Aug 26, 2021
    • Deere & Company
    • Robert C. Emmert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOSING PUMP SYSTEM
    • Publication number 20210010469
    • Publication date Jan 14, 2021
    • Fernando A. Ubidia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID DELIVERY DEVICE
    • Publication number 20200318635
    • Publication date Oct 8, 2020
    • ECKERLE TECHNOLOGIES GMBH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM FOR CONVEYING A MEDIUM
    • Publication number 20200224657
    • Publication date Jul 16, 2020
    • ITT Bornemann GmbH
    • JENS-UWE BRANDT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Anti-Surge Recycle Valve
    • Publication number 20200182242
    • Publication date Jun 11, 2020
    • VRG Controls, LLC
    • Vladimir Rimboym
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYDRAULIC AUTOMATIC TRANSMISSION BICYCLE
    • Publication number 20200172199
    • Publication date Jun 4, 2020
    • Dong Won LEE
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP INCLUDING AN UNLOADING DEVICE
    • Publication number 20190285068
    • Publication date Sep 19, 2019
    • Deere & Company
    • Robert C. Emmert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP SYSTEM AND METHOD
    • Publication number 20190003477
    • Publication date Jan 3, 2019
    • Tesla, Inc.
    • Scott Michael Graves
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP WITH AXIAL DISPLACEMENT OF THE VANES
    • Publication number 20180372094
    • Publication date Dec 27, 2018
    • UNIVERSIDADE DE AVEIRO
    • António Manuel GODINHO COMPLETO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOSING PUMP SYSTEM
    • Publication number 20180355861
    • Publication date Dec 13, 2018
    • Micro Infinity Flow, LLC
    • Fernando A. Ubidia
    • G01 - MEASURING TESTING
  • Information Patent Application

    RELIEF VALVE STRUCTURE
    • Publication number 20180335156
    • Publication date Nov 22, 2018
    • Yamada Manufacturing Co., Ltd.
    • Yu Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SYSTEM FOR CONVEYING A MEDIUM
    • Publication number 20180283374
    • Publication date Oct 4, 2018
    • ITT Bornemann GmbH
    • Jens-Uwe BRANDT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20180149153
    • Publication date May 31, 2018
    • KYB Corporation
    • Koichiro AKATSUKA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    THERMO VALVE AND OIL PUMP
    • Publication number 20180149050
    • Publication date May 31, 2018
    • Yamada Manufacturing Co., Ltd.
    • Junichi Miyajima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Oscillating Pump Systems for Use on Aircraft
    • Publication number 20180111679
    • Publication date Apr 26, 2018
    • BELL HELICOPTER TEXTRON INC.
    • David E. Heverly
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20180112661
    • Publication date Apr 26, 2018
    • KYB Corporation
    • Koichiro AKATSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20180038370
    • Publication date Feb 8, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20180038369
    • Publication date Feb 8, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMATIC Y-TOOL
    • Publication number 20170306732
    • Publication date Oct 26, 2017
    • GE ENERGY OILFIELD TECHNOLOGY, INC.
    • William Alexander Beveridge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20170268682
    • Publication date Sep 21, 2017
    • Hitachi Automotive Systems, Ltd.
    • Jun SOEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump with Dual Pressure Relief
    • Publication number 20170227006
    • Publication date Aug 10, 2017
    • Carrier Corporation
    • Russell G. Lewis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20170227007
    • Publication date Aug 10, 2017
    • KYB Corporation
    • Koichiro AKATSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL PUMP SYSTEM
    • Publication number 20170074261
    • Publication date Mar 16, 2017
    • MYUNGHWA IND. CO., LTD.
    • Jin Yong KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO-LIQUID-TYPE, DOUBLE-ROW STRUCTURED TROCHOID PUMP FOR TRANSFERRI...
    • Publication number 20170037849
    • Publication date Feb 9, 2017
    • SHINHANG CO., LTD.
    • Hee Kyun KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...