TREA

the inner and outer member being in contact along more than one line or surface

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  • CPC
  • F04C2/3446
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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 F04C2/00Rotary-piston machines or pumps

Current Industry

F04C2/3446the inner and outer member being in contact along more than one line or surface
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump with a multi-layered bead gasket
    • Patent number 12,031,629
    • Issue date Jul 9, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Uwe Meinig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary pump with axial compensation, outlet gasket for a pump and p...
    • Patent number 12,000,391
    • Issue date Jun 4, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump with a notch provided at a suction port
    • Patent number 11,982,273
    • Issue date May 14, 2024
    • KYB Corporation
    • Kazunari Suzuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump unit for a drive train of a motor vehicle
    • Patent number 11,885,331
    • Issue date Jan 30, 2024
    • FTE Automotive GmbH
    • Wilhelm Heubner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 11,873,815
    • Issue date Jan 16, 2024
    • HELLA GMBH & CO. KGAA
    • Sascha Bruemmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sliding-pocket variable-displacement pump with compensation chambers
    • Patent number 11,846,284
    • Issue date Dec 19, 2023
    • Ford Global Technologies, LLC
    • Dengfu Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High-pressure fuel pump
    • Patent number 11,808,242
    • Issue date Nov 7, 2023
    • Robert Bosch GmbH
    • Ziang Dong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vane pump with tip-end-side guide surfaces provided between inner a...
    • Patent number 11,644,031
    • Issue date May 9, 2023
    • KYB Corporation
    • Yusuke Ohmori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary fluid device
    • Patent number 11,603,837
    • Issue date Mar 14, 2023
    • Cameron James Pittendrigh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane cell pump
    • Patent number 11,603,838
    • Issue date Mar 14, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Uwe Meinig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Vane pump
    • Patent number 11,441,561
    • Issue date Sep 13, 2022
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Dirk Borchers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump including fluid communication passages for routing fluid...
    • Patent number 11,396,874
    • Issue date Jul 26, 2022
    • AISIN CORPORATION
    • Takahiro Torii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump and method for the operation thereof
    • Patent number 11,215,177
    • Issue date Jan 4, 2022
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Dirk Borchers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Pump comprising a spring
    • Patent number 11,143,181
    • Issue date Oct 12, 2021
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Transmission with double-flow sliding vane pump
    • Patent number 10,823,170
    • Issue date Nov 3, 2020
    • ZF Friedrichshafen AG
    • Carl Schilling
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device having two different discharge amounts
    • Patent number 10,731,646
    • Issue date Aug 4, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane oil pump with different back pressure supplied to vanes
    • Patent number 10,724,373
    • Issue date Jul 28, 2020
    • Toyota Jidosha Kabushiki Kaisha
    • Takafumi Inagaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device
    • Patent number 10,711,781
    • Issue date Jul 14, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device having multiple discharge pressures
    • Patent number 10,662,944
    • Issue date May 26, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device for controlling deviation of a force applied to th...
    • Patent number 10,655,624
    • Issue date May 19, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • 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

    Vane cell pump with a sub-vane region to which pressure can be applied
    • Patent number 10,633,972
    • Issue date Apr 28, 2020
    • Schwäbische Hüttenwerke Automobile GmbH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device for controlling fluid supplied to vane grooves
    • Patent number 10,584,703
    • Issue date Mar 10, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device that controls pressure pushing vanes against a cam...
    • Patent number 10,578,102
    • Issue date Mar 3, 2020
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic machine
    • Patent number 10,487,657
    • Issue date Nov 26, 2019
    • Mathers Hydraulics Technologies Pty Ltd
    • Norman Ian Mathers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump device
    • Patent number 10,451,062
    • Issue date Oct 22, 2019
    • Showa Corporation
    • Toshio Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump device for controlling force applied to vanes
    • Patent number 10,443,598
    • Issue date Oct 15, 2019
    • Showa Corporation
    • Toshio Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump and determining method for inner profile of cam ring comp...
    • Patent number 10,344,595
    • Issue date Jul 9, 2019
    • Myunghwa Ind. Co., Ltd.
    • Sang-woo Kim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC MOTOR WITH DUAL PUMP FOR PROVIDING SCAVENGE AND DELIVERY F...
    • Publication number 20240318650
    • Publication date Sep 26, 2024
    • GHSP, INC.
    • Ryan David Rosinski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SLIDING VANE PUMP OR TURBINE
    • Publication number 20230407748
    • Publication date Dec 21, 2023
    • Amorphic Tech Ltd.
    • Andrew Schevets
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NEW VANE SHAPE
    • Publication number 20230287794
    • Publication date Sep 14, 2023
    • GOODRICH CORPORATION
    • Piotr KROCZEK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY FLUID DEVICE
    • Publication number 20230193900
    • Publication date Jun 22, 2023
    • Cameron James PITTENDRIGH
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP
    • Publication number 20220196014
    • Publication date Jun 23, 2022
    • HELLA GmbH & Co. KGaA
    • Sascha BRUEMMER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTARY PUMP WITH AXIAL COMPENSATION, OUTLET GASKET FOR A PUMP AND P...
    • Publication number 20220145884
    • Publication date May 12, 2022
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Claus WELTE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP AND METHOD FOR THE OPERATION THEREOF
    • Publication number 20220106958
    • Publication date Apr 7, 2022
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Dirk BORCHERS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    High-Pressure Fuel Pump
    • Publication number 20220049674
    • Publication date Feb 17, 2022
    • ROBERT BOSCH GmbH
    • Ziang Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP UNIT FOR A DRIVE TRAIN OF A MOTOR VEHICLE
    • Publication number 20210270267
    • Publication date Sep 2, 2021
    • FTE automotive GmbH
    • Wilhelm HEUBNER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20210095665
    • Publication date Apr 1, 2021
    • AISIN AW CO., LTD.
    • Takahiro TORII
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY FLUID DEVICE
    • Publication number 20210040948
    • Publication date Feb 11, 2021
    • Cameron James Pittendrigh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Vane Pump
    • Publication number 20210025387
    • Publication date Jan 28, 2021
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Dirk BORCHERS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CARTRIDGE VANE PUMP AND PUMP DEVICE INCLUDING SAME
    • Publication number 20210003129
    • Publication date Jan 7, 2021
    • KYB Corporation
    • Hirotoshi KONDOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20200392847
    • Publication date Dec 17, 2020
    • KYB Corporation
    • Yoshinari NAKAMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY VANE VACUUM PUMP
    • Publication number 20200072215
    • Publication date Mar 5, 2020
    • PFEIFFER VACUUM GMBH
    • Sebastian OBERBECK
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ROTARY PUMP
    • Publication number 20190301455
    • Publication date Oct 3, 2019
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Michael Ehringer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MULTIPLE LOBE VANE FLUID PUMP HAVING ENHANCED UNDER-VANE CAVITY PRE...
    • Publication number 20190128258
    • Publication date May 2, 2019
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Terrence D. Hogan
    • 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

    PUMP COMPRISING A SPRING
    • Publication number 20180372097
    • Publication date Dec 27, 2018
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Claus Welte
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP
    • Publication number 20180306184
    • Publication date Oct 25, 2018
    • KYB Corporation
    • Yoshinari NAKAMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Transmission
    • Publication number 20180306185
    • Publication date Oct 25, 2018
    • ZF Friedrichshafen AG
    • Carl Schilling
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CARTRIDGE VANE PUMP
    • Publication number 20180283373
    • Publication date Oct 4, 2018
    • KYB Corporation
    • Masamichi SUGIHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CARTRIDGE VANE PUMP
    • Publication number 20180252212
    • Publication date Sep 6, 2018
    • KYB Corporation
    • Yoshiyuki MAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP AND METHOD FOR THE OPERATION THEREOF
    • Publication number 20180149154
    • Publication date May 31, 2018
    • Magna Powertrain Bad Homburg GmbH
    • Dirk BORCHERS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP ASSEMBLY FOR POWERTRAIN SYSTEMS AND HYDR...
    • Publication number 20180135626
    • Publication date May 17, 2018
    • BorgWarner Inc.
    • Chengyun GUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC MACHINE
    • Publication number 20180106152
    • Publication date Apr 19, 2018
    • Norman Ian Mathers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE AND HYDRAULIC APPARATUS
    • Publication number 20170122314
    • Publication date May 4, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP DEVICE
    • Publication number 20170122313
    • Publication date May 4, 2017
    • SHOWA CORPORATION
    • Toshio NISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VEHICLE HYDRAULIC DEVICE
    • Publication number 20170074262
    • Publication date Mar 16, 2017
    • Toyota Jidosha Kabushiki Kaisha
    • Yoshihiro MIZUNO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20170022813
    • Publication date Jan 26, 2017
    • HAMILTON SUNDSTRAND CORPORATION
    • Joseph Wetch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...