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  • F04C2250/101
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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 F04C2250/00Geometry

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F04C2250/101of the inlet
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Flow channeling structure
    • Patent number 12,180,958
    • Issue date Dec 31, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Moritz Raatschen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fixed scroll and scroll compressor
    • Patent number 12,110,887
    • Issue date Oct 8, 2024
    • Copeland Climate Technologies (Suzhou) Co. Ltd.
    • Xuan Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with two rotors coaxially disposed on a connecting assem...
    • Patent number 12,098,720
    • Issue date Sep 24, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,018,686
    • Issue date Jun 25, 2024
    • LG Electronics Inc.
    • Jinung Shin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with first and second main suction ports
    • Patent number 12,000,401
    • Issue date Jun 4, 2024
    • Samsung Electronics Co., Ltd.
    • Hyolim Heo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Scroll compressor
    • Patent number 11,927,186
    • Issue date Mar 12, 2024
    • LG Electronics Inc.
    • Yoonsung Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump with straightening member branching the suction passage
    • Patent number 11,879,461
    • Issue date Jan 23, 2024
    • Toyoda Gosei Co., Ltd.
    • Shinya Sakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air conditioner having compressor including curved suction port and...
    • Patent number 11,761,445
    • Issue date Sep 19, 2023
    • GREEN REFRIGERATION EQUIPMENT ENGINEERING RESEARCH CENTER OF ZHUHAI GREE CO.,...
    • Hui Huang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,608,830
    • Issue date Mar 21, 2023
    • HANON SYSTEMS
    • Kyung Jae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid equalisation for multiple compressors
    • Patent number 11,555,495
    • Issue date Jan 17, 2023
    • Carrier Corporation
    • Nicolas Fonte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump housing with dual-purpose inlet fitting
    • Patent number 11,441,560
    • Issue date Sep 13, 2022
    • seepex GmbH
    • Norman Dicks
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact dual-section gear pump
    • Patent number 11,365,731
    • Issue date Jun 21, 2022
    • Parker-Hannifin Corporation
    • John B. Einfalt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having surface of scroll compressor defining boundary of...
    • Patent number 11,326,599
    • Issue date May 10, 2022
    • Samsung Electronics Co., Ltd.
    • Sunghea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump having a silencer
    • Patent number 11,274,668
    • Issue date Mar 15, 2022
    • LEYBOLD GMBH
    • Dieter Kolvenbach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having shell fitting
    • Patent number 11,248,605
    • Issue date Feb 15, 2022
    • Emerson Climate Technologies, Inc.
    • Keith J. Reinhart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having directed suction
    • Patent number 11,236,748
    • Issue date Feb 1, 2022
    • Emerson Climate Technologies, Inc.
    • Joshua S. King
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor having reduced pressure loss of refrigerant flow
    • Patent number 11,060,522
    • Issue date Jul 13, 2021
    • Fujitsu General Limited
    • Naoya Morozumi
    • 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

    Gear pump and method for realising it
    • Patent number 10,690,133
    • Issue date Jun 23, 2020
    • CASAPPA S.P.A.
    • Alessandro Panno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inlets for rotary vane vacuum pump
    • Patent number 10,634,144
    • Issue date Apr 28, 2020
    • RT Hamilton and Associates Limited
    • Akhtar Khurram
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel pump
    • Patent number 10,557,468
    • Issue date Feb 11, 2020
    • Denso Corporation
    • Hiromi Sakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor and compression unit thereof, and air conditioner
    • Patent number 10,451,067
    • Issue date Oct 22, 2019
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Xingbiao Zhou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump and fuel vapor leakage detection device using the same
    • Patent number 10,422,303
    • Issue date Sep 24, 2019
    • Denso Corporation
    • Ryoyu Kishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor element
    • Patent number 10,371,149
    • Issue date Aug 6, 2019
    • Atlas Copco Airpower, naamloze vennootschap
    • Koen Roger L Lodefier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric gear pump with specific proportions for the fluid passages
    • Patent number 10,215,173
    • Issue date Feb 26, 2019
    • LG Innotek Co., Ltd
    • Ho Eop Yoon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Mixing pump
    • Patent number 10,047,735
    • Issue date Aug 14, 2018
    • Perkins Engines Company Limited
    • Paul J. Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Electric gear pump with specific proportions for the fluid passages
    • Patent number 10,006,458
    • Issue date Jun 26, 2018
    • LG Innotek Co., Ltd
    • Ho Eop Yoon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hermetic compressor having enlarged suction inlet
    • Patent number 10,006,460
    • Issue date Jun 26, 2018
    • Mitsubishi Electric Corporation
    • Hiroki Nagasawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Vane pump
    • Patent number 9,926,930
    • Issue date Mar 27, 2018
    • Danfoss A/S
    • Erik Haugaard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20230358230
    • Publication date Nov 9, 2023
    • LG ELECTRONICS INC.
    • Yoonsung CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fixed Scroll and Scroll Compressor
    • Publication number 20230349381
    • Publication date Nov 2, 2023
    • EMERSON CLIMATE TECHNOLOGIES (SUZHOU) CO., LTD.
    • Xuan Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPACT DUAL-SECTION GEAR PUMP
    • Publication number 20200362860
    • Publication date Nov 19, 2020
    • Parker-Hannifin Corporation
    • John B. Einfalt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20190072091
    • Publication date Mar 7, 2019
    • KYB Corporation
    • Yoshiyuki MAKI
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • 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

    ELECTRIC GEAR PUMP WITH SPECIFIC PROPORTIONS FOR THE FLUID PASSAGES
    • Publication number 20180283377
    • Publication date Oct 4, 2018
    • LG Innotek Co., Ltd.
    • Ho Eop YOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP AND METHOD FOR REALISING IT
    • Publication number 20180119695
    • Publication date May 3, 2018
    • CASAPPA S.P.A.
    • ALESSANDRO PANNO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System and Method for Improved Performance of Gerotor Compressors a...
    • Publication number 20170321698
    • Publication date Nov 9, 2017
    • StarRotor Corporation
    • Mark T. Holtzapple
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR ELEMENT
    • Publication number 20170298938
    • Publication date Oct 19, 2017
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Koen Roger L LODEFIER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR
    • Publication number 20160333881
    • Publication date Nov 17, 2016
    • Mitsubishi Electric Corporation
    • Hiroki NAGASAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mixing Pump
    • Publication number 20140321230
    • Publication date Oct 30, 2014
    • Paul J. Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PLANETARY ROTOR MACHINE MANIFOLD
    • Publication number 20140255232
    • Publication date Sep 11, 2014
    • Jack Kerlin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPERCHARGER SYSTEM FOR MOTORIZED VEHICLES AND RELATED TRANSPORTATION
    • Publication number 20140224230
    • Publication date Aug 14, 2014
    • Robert Simons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20140178239
    • Publication date Jun 26, 2014
    • JTEKT Corporation
    • Yuki ASAOKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR MACHINE HAVING A LOW-PRESSURE CONNECTION DEVIATING FROM THE CI...
    • Publication number 20140086779
    • Publication date Mar 27, 2014
    • ROBERT BOSCH GmbH
    • Volker Fissler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INLET CUTBACKS FOR HIGH SPEED GEAR PUMP
    • Publication number 20140023545
    • Publication date Jan 23, 2014
    • Hamilton Sundstrand Corporation
    • Steven A. Heitz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETICALLY SEALED SCROLL COMPRESSOR
    • Publication number 20120156068
    • Publication date Jun 21, 2012
    • Masao Shiibayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Suction Duct and Scroll Compressor Incorporating Same
    • Publication number 20120134859
    • Publication date May 31, 2012
    • Bitzer Scroll, Inc.
    • Ronald J. Duppert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH ECONOMIZER
    • Publication number 20120058001
    • Publication date Mar 8, 2012
    • SHANGHAI POWER TECH. SCREW MACHINERY CO., LTD.
    • Yan Tang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP WITH IMPROVED ROTOR AND VANE EXTENSION RING
    • Publication number 20120034125
    • Publication date Feb 9, 2012
    • SLW Automotive Inc.
    • Douglas G. Hunter
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP INLET WINDOW SHAPE
    • Publication number 20110293460
    • Publication date Dec 1, 2011
    • Sara Dexter
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20110223052
    • Publication date Sep 15, 2011
    • Calsonic Kansel Corporation
    • Hiroshi Iijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NOISELESS PRESSURE BLOWER
    • Publication number 20110142706
    • Publication date Jun 16, 2011
    • Gumtaek Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20110142705
    • Publication date Jun 16, 2011
    • Joonhong PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND MANUFACTURING METHOD OF THE SAME
    • Publication number 20110076173
    • Publication date Mar 31, 2011
    • Sanyo Electric Co., Ltd.
    • Hiroyuki Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Nozzle Insert for Boosting Pump Inlet Pressure
    • Publication number 20100290924
    • Publication date Nov 18, 2010
    • Lee J. Becker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT ROTARY COMPONENTS HAVING MAIN AND GATE ROTORS...
    • Publication number 20100166591
    • Publication date Jul 1, 2010
    • Kurt David Murrow
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HERMETICALLY SEALED SCROLL COMPRESSOR
    • Publication number 20100129240
    • Publication date May 27, 2010
    • Hitachi Appliances, Inc.
    • Masao Shiibayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPERCHARGER SYSTEM FOR MOTORIZED VEHICLES AND RELATED TRANSPORTATION
    • Publication number 20100108040
    • Publication date May 6, 2010
    • Robert Simons
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Inlet Screen and Scroll Compressor Incorporating Same
    • Publication number 20100092320
    • Publication date Apr 15, 2010
    • Bitzer Scroll Inc.
    • Ronald J. Duppert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...