with axially movable vanes

Patents Grantslast 30 patents

  • Information Patent Grant

    Vane pump

    • Patent number 11,428,222
    • Issue date Aug 30, 2022
    • Denso Corporation
    • Keiichirou Ishihara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Prime mover assembly having fixed center member between rotating me...

    • Patent number 10,662,774
    • Issue date May 26, 2020
    • Regi U.S., Inc.
    • John Robertson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electric motor-driven motor-vehicle vacuum pump, and drive shaft fo...

    • Patent number 10,288,067
    • Issue date May 14, 2019
    • Magna Powertrain Bad Homburg GmbH
    • Dietmar Moeser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump having a casing being formed with a communicating hole...

    • Patent number 10,253,775
    • Issue date Apr 9, 2019
    • Nabtesco Automotive Corporation
    • Yoshihiro Mitsuhashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Plastic Rotor for a vacuum pump

    • Patent number 10,138,888
    • Issue date Nov 27, 2018
    • Joma-Polytec GmbH
    • Hans-Peter Ott
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vane cell machine having a pressure piece which delimits two pressu...

    • Patent number 10,107,100
    • Issue date Oct 23, 2018
    • Robert Bosch GmbH
    • Gerd Gaisser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane compressor

    • Patent number 10,087,934
    • Issue date Oct 2, 2018
    • Kabushiki Kaisha Toyota Jidoshokki
    • Hiroki Nagano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic vane-type machine

    • Patent number 9,945,231
    • Issue date Apr 17, 2018
    • Danfoss A/S
    • Erik Haugaard
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pump of lightweight construction

    • Patent number 9,863,420
    • Issue date Jan 9, 2018
    • Magna Powertrain Bad Homburg GmbH
    • Marcel Walder
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Method for producing a vane for a rotary vane pump, vane for a rota...

    • Patent number 9,855,604
    • Issue date Jan 2, 2018
    • GKN Sinter Metals Engineering GmbH
    • Arno Steiner
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Vacuum pump for a motor vehicle

    • Patent number 9,845,681
    • Issue date Dec 19, 2017
    • Magna Powertrain Bad Homburg GmbH
    • Daniel Ziehr
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vane pumps with vane wear detection

    • Patent number 9,828,992
    • Issue date Nov 28, 2017
    • Hamilton Sundstrand Corporation
    • Craig T. Stambaugh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary pump having a casing being formed with a communicating hole...

    • Patent number 9,709,057
    • Issue date Jul 18, 2017
    • Nabtesco Automotive Corporation
    • Yoshihiro Mitsuhashi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pump with mechanical seal assembly

    • Patent number 9,617,994
    • Issue date Apr 11, 2017
    • Delaware Capital Formation, Inc.
    • Michael Douglas Walters
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Negative pressure pump and cylinder head cover

    • Patent number 9,562,531
    • Issue date Feb 7, 2017
    • Sanoh Industrial Co., Ltd.
    • Nobushi Yamazaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cyclothermic converter vane pump and impeller system

    • Patent number 5,626,032
    • Issue date May 6, 1997
    • Ian G. Neblett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage rotary compressor

    • Patent number 4,553,903
    • Issue date Nov 19, 1985
    • Baruir Ashikian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage rotary compressor

    • Patent number 4,460,319
    • Issue date Jul 17, 1984
    • Baruir Ashikian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3874823

    • Patent number 3,874,823
    • Issue date Apr 1, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3819309

    • Patent number 3,819,309
    • Issue date Jun 25, 1974
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3762841

    • Patent number 3,762,841
    • Issue date Oct 2, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1931207

    • Patent number 1,931,207
    • Issue date Oct 17, 1933
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1786893

    • Patent number 1,786,893
    • Issue date Dec 30, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1236399

    • Patent number 1,236,399
    • Issue date Aug 14, 1917
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1163330

    • Patent number 1,163,330
    • Issue date Dec 7, 1915
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1130839

    • Patent number 1,130,839
    • Issue date Mar 9, 1915
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    738868

    • Patent number 738,868
    • Issue date Sep 8, 1903
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    525998

    • Patent number 525,998
    • Issue date Sep 11, 1894
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    497108

    • Patent number 497,108
    • Issue date May 9, 1893
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    363677

    • Patent number 363,677
    • Issue date May 24, 1887
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPRESSOR, REFRIGERATION CYCLE DEVICE, AND AIR CONDITIONER

    • Publication number 20230366593
    • Publication date Nov 16, 2023
    • Mitsubishi Electric Corporation
    • Kazuhiko BABA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20210164471
    • Publication date Jun 3, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shinya YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP

    • Publication number 20210062810
    • Publication date Mar 4, 2021
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR

    • Publication number 20200248689
    • Publication date Aug 6, 2020
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Jun KONDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vane Cell Machine having a Pressure Piece which Delimits Two Pressu...

    • Publication number 20170138197
    • Publication date May 18, 2017
    • ROBERT BOSCH GmbH
    • Gerd Gaisser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP OF LIGHTWEIGHT CONSTRUCTION

    • Publication number 20170058897
    • Publication date Mar 2, 2017
    • Magna Powertrain Bad Homburg GmbH
    • Marcel Walder
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE COMPRESSOR

    • Publication number 20170030353
    • Publication date Feb 2, 2017
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Hiroki NAGANO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PLASTIC ROTOR FOR A VACUUM PUMP

    • Publication number 20170016445
    • Publication date Jan 19, 2017
    • Joma-Polytec GmbH
    • Hans-Peter Ott
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMPS

    • Publication number 20170009768
    • Publication date Jan 12, 2017
    • HAMILTON SUNDSTRAND CORPORATION
    • Craig T. Stambaugh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP

    • Publication number 20160201675
    • Publication date Jul 14, 2016
    • NABTESCO AUTOMOTIVE CORPORATION
    • Yoshihiro Mitsuhashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP

    • Publication number 20160177947
    • Publication date Jun 23, 2016
    • ZF Friedrichshafen AG
    • Thilo Schmidt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP AND LEAKAGE DETECTING DEVICE USING THE SAME

    • Publication number 20160160809
    • Publication date Jun 9, 2016
    • DENSO CORPORATION
    • Shigeru HASEGAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR-DRIVEN COMPRESSOR

    • Publication number 20160153452
    • Publication date Jun 2, 2016
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Hiroki NAGANO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC VANE-TYPE MACHINE

    • Publication number 20160138398
    • Publication date May 19, 2016
    • Danfoss A/S
    • Erik Haugaard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR SHELL ASSEMBLY

    • Publication number 20160115958
    • Publication date Apr 28, 2016
    • Emerson Climate Technologies, Inc.
    • Kirill M. IGNATIEV
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMPS

    • Publication number 20160090984
    • Publication date Mar 31, 2016
    • HAMILTON SUNDSTRAND CORPORATION
    • Michael F. Cass
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Negative Pressure Pump and Cylinder Head Cover

    • Publication number 20160084252
    • Publication date Mar 24, 2016
    • SANOH INDUSTRIAL CO., LTD.
    • Nobushi Yamazaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC MOTOR-DRIVEN MOTOR-VEHICLE VACUUM PUMP, AND DRIVE SHAFT FO...

    • Publication number 20160032926
    • Publication date Feb 4, 2016
    • MAGNA POWERTRAIN BAD HOMBURG GMBH
    • Dietmar MOESER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR PRODUCING A VANE FOR A ROTARY VANE PUMP, VANE FOR A ROTA...

    • Publication number 20150352638
    • Publication date Dec 10, 2015
    • GKN SINTER METALS ENGINEERING GMBH
    • Arno Steiner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP FOR A MOTOR VEHICLE

    • Publication number 20150345498
    • Publication date Dec 3, 2015
    • Magna Powertrain Bad Homburg GmbH
    • Daniel ZIEHR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH MECHANICAL SEAL ASSEMBLY

    • Publication number 20150300352
    • Publication date Oct 22, 2015
    • Delaware Capital Formation, Inc.
    • Michael Douglas Walters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    UNITARY PUMP AND TURBINE ENERGY EXCHANGER

    • Publication number 20150300174
    • Publication date Oct 22, 2015
    • Amorphic Tech Ltd.
    • Andrew Schevets
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR

    • Publication number 20150267703
    • Publication date Sep 24, 2015
    • CALSONIC KANSEI CORPORATION
    • Eiki Yanagawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH ROTATING CAM AND SLIDING END VANES

    • Publication number 20150192128
    • Publication date Jul 9, 2015
    • Albert W. Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP

    • Publication number 20130101412
    • Publication date Apr 25, 2013
    • NABTESCO AUTOMOTIVE CORPORATION
    • Yoshihiro Mitsuhashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...