with vanes reciprocating with respect to the outer member

Patents Grantslast 30 patents

  • Information Patent Grant

    Quick startup device for centrifugal pump

    • Patent number 11,555,497
    • Issue date Jan 17, 2023
    • JIANGSU UNIVERSITY
    • Xiaowei Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump including a rotor and a plurality of blocking device elements...

    • Patent number 11,125,228
    • Issue date Sep 21, 2021
    • Watson-Marlow GmbH
    • Achim Staedele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary device, rotary system, and fluid machinery, to which press-a...

    • Patent number 11,111,918
    • Issue date Sep 7, 2021
    • Beijing Rostar Technology Co. Ltd
    • Qihuai Yao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump

    • Patent number 11,098,713
    • Issue date Aug 24, 2021
    • Watson-Marlow GmbH
    • Achim Staedele
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary compressor having a rolling piston with coupling groove

    • Patent number 11,060,521
    • Issue date Jul 13, 2021
    • LG Electronics Inc.
    • Seseok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor

    • Patent number 11,002,279
    • Issue date May 11, 2021
    • LG Electronics Inc.
    • Gukhyun Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump and blocking element

    • Patent number 10,830,234
    • Issue date Nov 10, 2020
    • Watson-Marlow GmbH
    • Achim Staedele
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotor with sliding vane has a different width of vane slot extended...

    • Patent number 10,774,647
    • Issue date Sep 15, 2020
    • Torad Engineering LLC
    • Gregory T. Kemp
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Continuously variable turbine

    • Patent number 10,683,755
    • Issue date Jun 16, 2020
    • PDT, LLC
    • Albert Sobey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electric compressor and refrigeration device having same

    • Patent number 10,626,867
    • Issue date Apr 21, 2020
    • Guangdong Meizhi Compressor Co., Ltd.
    • Masao Ozu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Hydraulic pump having a cylindrical roller within a housing having...

    • Patent number 10,385,850
    • Issue date Aug 20, 2019
    • Goodrich Actuations Systems Limited
    • Robert A. Pawlik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumps

    • Patent number 10,087,931
    • Issue date Oct 2, 2018
    • Quantex Patents Limited
    • Richard Paul Hayes-Pankhurst
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Apparatus for driving fluid having a rotating cam and rocker arm

    • Patent number 9,964,109
    • Issue date May 8, 2018
    • Albert's Generator Services Inc.
    • Albert W. Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Concentric rotary fluid machine

    • Patent number 9,957,961
    • Issue date May 1, 2018
    • Greystone Technologies Pty Ltd
    • Nicholas Ryan Marchand
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement pump

    • Patent number 9,909,585
    • Issue date Mar 6, 2018
    • Magna Powertrain Bad Homburg GmbH
    • Thilo Mauser
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Liquid pump and rankine cycle apparatus

    • Patent number 9,850,895
    • Issue date Dec 26, 2017
    • Panasonic Corporation
    • Takumi Hikichi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump

    • Patent number 9,765,777
    • Issue date Sep 19, 2017
    • Magna Powertrain Bad Homburg GmbH
    • Kerstin Rosenkranz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with rotating cam and sliding end vanes

    • Patent number 9,695,821
    • Issue date Jul 4, 2017
    • Albert's Generator Services Inc.
    • Albert W. Patterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor and air conditioner including the same

    • Patent number 9,556,868
    • Issue date Jan 31, 2017
    • Samsung Electronics Co., Ltd.
    • Ki Hoon Nam
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Gas pump with a sealing oil groove

    • Patent number 9,546,658
    • Issue date Jan 17, 2017
    • Schwabische Huttenwerke Automotive GmbH
    • Jürgen Bohner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary fluid machine and associated method of operation

    • Patent number 9,394,902
    • Issue date Jul 19, 2016
    • Greystone Technologies Pty Ltd
    • Daryl Wheeler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid machine operable as a motor or a pump

    • Patent number 9,334,736
    • Issue date May 10, 2016
    • Greystone Technologies Pty Ltd
    • Daryl Wheeler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage vane pump

    • Patent number 9,297,380
    • Issue date Mar 29, 2016
    • JOINT STOCK COMPANY “NOVOMET-PERM”
    • Ilya Nikolaevich Zubenin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vehicle oil pump

    • Patent number 9,261,063
    • Issue date Feb 16, 2016
    • Toyota Jidosha Kabushiki Kaisha
    • Atsushi Honda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Abutment rotary pump with repelling magnets

    • Patent number 9,175,684
    • Issue date Nov 3, 2015
    • John McIntyre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Swinging abutment rotary pump

    • Patent number 9,011,123
    • Issue date Apr 21, 2015
    • John McIntyre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary displacement pump for pumping solids emulsions, especially l...

    • Patent number 8,985,981
    • Issue date Mar 24, 2015
    • Watson Marlow GmbH
    • Ulrich Fromm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with rotating cam and sliding end vanes

    • Patent number 8,985,980
    • Issue date Mar 24, 2015
    • Alberts Generator services inc.
    • Albert W. Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump with a vane provided in each pump outlet

    • Patent number 8,985,982
    • Issue date Mar 24, 2015
    • 1564330 Ontario Inc.
    • Albert W. Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    USE OF A COMPOSITION AS REFRIGERANT IN COMPRESSOR, COMPRESSOR, AND...

    • Publication number 20230416580
    • Publication date Dec 28, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Yuuko ITOU
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20220307498
    • Publication date Sep 29, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRANKSHAFT MOUNTED COMPRESSOR

    • Publication number 20220282728
    • Publication date Sep 8, 2022
    • Volvo Car Corporation
    • Peter Kroon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20220228587
    • Publication date Jul 21, 2022
    • LG ELECTRONICS INC.
    • Jonghun Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID CONTAINING GAS BUBBLES PRODUCTION APPARATUS

    • Publication number 20220203312
    • Publication date Jun 30, 2022
    • KYB Corporation
    • Akihisa OOTA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20200056612
    • Publication date Feb 20, 2020
    • LG ELECTRONICS INC.
    • Seseok SEOL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20190024658
    • Publication date Jan 24, 2019
    • LG ELECTRONICS INC.
    • Gukhyun CHO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor With Sliding Vane

    • Publication number 20180371912
    • Publication date Dec 27, 2018
    • TORAD Engineering LLC
    • Gregory T. Kemp
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    ROTARY APPARATUS WITH PROTECTIVE KNIFE

    • Publication number 20180347562
    • Publication date Dec 6, 2018
    • Deere & Company
    • DOUGLAS S. BASE
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    ROTARY DEVICE, ROTARY SYSTEM, AND FLUID MACHINERY, TO WHICH PRESS-A...

    • Publication number 20180320687
    • Publication date Nov 8, 2018
    • BEIJING ROSTAR TECHNOLOGY CO. LTD
    • Qihuai YAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump

    • Publication number 20180306183
    • Publication date Oct 25, 2018
    • Watson Marlow GmbH
    • Achim Staedele
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Pump and Blocking Element

    • Publication number 20180298897
    • Publication date Oct 18, 2018
    • Watson Marlow GmbH
    • Achim Staedele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump and Blocking Device

    • Publication number 20180274538
    • Publication date Sep 27, 2018
    • Watson Marlow GmbH
    • Achim Staedele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ALTERNATING FLOW HYDRAULIC PUMP CIRCUIT

    • Publication number 20180119689
    • Publication date May 3, 2018
    • Regents of the University of Minnesota
    • James D. Van de Ven
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Non-Reciprocating Hydraulic Piston Pump

    • Publication number 20170314554
    • Publication date Nov 2, 2017
    • Jose Ezequiel Gonzalez
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS FOR DRIVING FLUID HAVING A ROTATING CAM AND ROCKER ARM

    • Publication number 20170167488
    • Publication date Jun 15, 2017
    • ALBERT'S GENERATOR SERVICES INC.
    • Albert W. Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic Pump

    • Publication number 20170009769
    • Publication date Jan 12, 2017
    • HS Wroclaw Sp. z o. o.
    • Robert A. Pawlik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPS

    • Publication number 20160010643
    • Publication date Jan 14, 2016
    • QUANTEX PATENTS LIMITED
    • Richard Paul HAYES-PANKHURST
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP

    • Publication number 20150240809
    • Publication date Aug 27, 2015
    • Magna Powertrain Bad Homburg GmbH
    • Thilo Mauser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE VANE PUMP

    • Publication number 20150167668
    • Publication date Jun 18, 2015
    • CLOSED JOINT STOCK COMPANY "NOVOMET-PERM"
    • Ilya Nikolaevich Zubenin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP

    • Publication number 20150125332
    • Publication date May 7, 2015
    • Magna Powertrain Bad Homburg GmbH
    • Kerstin Rosenkranz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND AIR CONDITIONER INCLUDING THE SAME

    • Publication number 20150040608
    • Publication date Feb 12, 2015
    • Samsung Electronics Co., Ltd.
    • Ki Hoon NAM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Displacement Pump for Pumping Flowable Viscous Materials

    • Publication number 20140301878
    • Publication date Oct 9, 2014
    • Watson-Marlow GmbH
    • Sven-Eric Will
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH ROTATING CAM AND SLIDING END VANES

    • Publication number 20140199201
    • Publication date Jul 17, 2014
    • ALBERT'S GENERATOR SERVICES INC.
    • Albert W. Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas Pump With A Sealing Oil Groove

    • Publication number 20140161645
    • Publication date Jun 12, 2014
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Jürgen Bohner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY FLUID MACHINE

    • Publication number 20140140880
    • Publication date May 22, 2014
    • Greystone Technologies Pty Ltd
    • Daryl Wheeler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VEHICLE OIL PUMP

    • Publication number 20140020662
    • Publication date Jan 23, 2014
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Atsushi Honda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP WITH A VANE PROVIDED IN EACH PUMP OUTLET

    • Publication number 20130259730
    • Publication date Oct 3, 2013
    • Albert W. Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY DISPLACEMENT PUMP FOR PUMPING SOLIDS EMULSIONS, ESPECIALLY L...

    • Publication number 20130209243
    • Publication date Aug 15, 2013
    • Watson-Marlow GmbH
    • Ulrich Fromm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRIVE DEVICE

    • Publication number 20130202416
    • Publication date Aug 8, 2013
    • Ulvac, Inc.
    • Yukio Kanke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...