TREA

the surfaces of the inner and outer member, forming the inlet and outlet opening

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  • F04C18/3442
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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 F04C18/00Rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C18/3442the surfaces of the inner and outer member, forming the inlet and outlet opening
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Compressor having round part placed near outlet port
    • Patent number RE50087
    • Issue date Aug 20, 2024
    • LG Electronics Inc.
    • Seokhwan Moon
  • 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 specific suction geometry
    • Patent number RE50022
    • Issue date Jun 25, 2024
    • LG Electronics Inc.
    • Jinung Shin
  • Information Patent Grant

    Rotary compressor having improved vane chattering performance
    • Patent number 11,891,995
    • Issue date Feb 6, 2024
    • LG Electronics Inc.
    • Seseok Seol
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane rotary compressor
    • Patent number 11,644,035
    • Issue date May 9, 2023
    • LG Electronics Inc.
    • Joonhong Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 11,566,621
    • Issue date Jan 31, 2023
    • LG Electronics Inc.
    • Kiyoul Noh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas pump with pressure relief for reducing the starting torque
    • Patent number 11,506,204
    • Issue date Nov 22, 2022
    • Schwabische Huttenwerke Automotive GmbH
    • Uwe Meinig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor
    • Patent number 11,448,215
    • Issue date Sep 20, 2022
    • LG Electronics Inc.
    • Seokhwan Moon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane motor
    • Patent number 11,448,071
    • Issue date Sep 20, 2022
    • J.D. Neuhaus Holding GmbH & Co. KG
    • Ewald Sawitzki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump
    • Patent number 11,035,363
    • Issue date Jun 15, 2021
    • Taiho Kogyo Co., Ltd.
    • Satoshi Ikeda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having round part placed near outlet port
    • Patent number 10,989,197
    • Issue date Apr 27, 2021
    • LG Electronics Inc.
    • Seokhwan Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with specific suction geometry
    • Patent number 10,954,945
    • Issue date Mar 23, 2021
    • LG Electronics Inc.
    • Jinung Shin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor having a vane with guide portion
    • Patent number 10,883,502
    • Issue date Jan 5, 2021
    • LG Electronics Inc.
    • Seokhwan Moon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Negative pressure pump and cylinder head cover
    • Patent number 9,803,640
    • Issue date Oct 31, 2017
    • Sanoh Industrial Co., Ltd.
    • Nobushi Yamazaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor having block and pressure supply parts communicating...
    • Patent number 9,784,273
    • Issue date Oct 10, 2017
    • Calsonic Kansei Corporation
    • Masahiro Tsuda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas compressor with discharge section and sub-discharge section
    • Patent number 9,751,384
    • Issue date Sep 5, 2017
    • Calsonic Kansei Corporation
    • Hirotada Shimaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vacuum pump for a motor vehicle engine
    • Patent number 9,670,928
    • Issue date Jun 6, 2017
    • O.M.P. Officine Mazzocco Pagnoni, S.R.L.
    • Giuseppe Lo Biundo
    • 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

    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

    Solar energy air conditioning system with storage capability
    • Patent number 9,389,008
    • Issue date Jul 12, 2016
    • Ralph Muscatell
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Process for manufacturing casing, and vacuum pump
    • Patent number 9,347,447
    • Issue date May 24, 2016
    • Nabtesco Automotive Corporation
    • Yoshihiro Mitsuhashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for branching off a fluidic partial flow
    • Patent number 9,243,633
    • Issue date Jan 26, 2016
    • HYDAC FILTERTECHNIK GMBH
    • Andreas Schunk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Check valve for an engine vacuum pump
    • Patent number 9,212,662
    • Issue date Dec 15, 2015
    • Ford Global Technologies, LLC
    • Mohammad Ali Moetakef
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vane compressor with vane aligners
    • Patent number 9,115,716
    • Issue date Aug 25, 2015
    • Mitsubishi Electric Corporation
    • Shin Sekiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Generation and use of high pressure air
    • Patent number 9,091,269
    • Issue date Jul 28, 2015
    • Windfuel Mills Pty Ltd
    • Robert Lloyd
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary vacuum pump with a discharge compensating channel
    • Patent number 9,017,051
    • Issue date Apr 28, 2015
    • Oerlikon Leybold Vacuum GmbH
    • Eric Figoni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan hub integrated vacuum pump system
    • Patent number 8,915,720
    • Issue date Dec 23, 2014
    • Cummins Inc.
    • Bhavin Parikah
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Injectable two-staged rotary compressor and heat pump system
    • Patent number 8,857,211
    • Issue date Oct 14, 2014
    • Fujitsu General Limited
    • Naoya Morozumi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with an axial oil feed conduit
    • Patent number 8,628,317
    • Issue date Jan 14, 2014
    • Wabco Automotive UK Limited
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VANE ROTARY COMPRESSOR
    • Publication number 20230137074
    • Publication date May 4, 2023
    • LG ELECTRONICS INC.
    • Joonhong Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230125736
    • Publication date Apr 27, 2023
    • LG ELECTRONICS INC.
    • Jinung Shin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230088672
    • Publication date Mar 23, 2023
    • LG ELECTRONICS INC.
    • Seseok SEOL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR
    • Publication number 20210095669
    • Publication date Apr 1, 2021
    • LG Electronic Inc.
    • Seokhwan MOON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR HAVING ROUND PART PLACED NEAR OUTLET PORT
    • Publication number 20180372104
    • Publication date Dec 27, 2018
    • LG ELECTRONICS INC.
    • Seokhwan MOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20180030833
    • Publication date Feb 1, 2018
    • CALSONIC KANSEI CORPORATION
    • Toshikatsu MIYAJI
    • B60 - VEHICLES IN GENERAL
  • 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

    GAS COMPRESSOR
    • Publication number 20140369878
    • Publication date Dec 18, 2014
    • Hirotada Shimaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SUPERCHARGED INTERNAL COMBUSTION ENGINE
    • Publication number 20140326225
    • Publication date Nov 6, 2014
    • Jumpei Shioda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CHECK VALVE FOR AN ENGINE VACUUM PUMP
    • Publication number 20140322061
    • Publication date Oct 30, 2014
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Mohammad Ali Moetakef
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas Pump With Pressure Relief for Reducing the Starting Torque
    • Publication number 20140199199
    • Publication date Jul 17, 2014
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Uwe Meinig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SOLAR ENERGY AIR CONDITIONING SYSTEM WITH STORAGE CAPABILITY
    • Publication number 20140190195
    • Publication date Jul 10, 2014
    • RALPH MUSCATELL
    • 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

    PROCESS FOR MANUFACTURING CASING, AND VACUUM PUMP
    • Publication number 20140044583
    • Publication date Feb 13, 2014
    • NABTESCO AUTOMOTIVE CORPORATION
    • Yoshihiro Mitsuhashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTATIONAL MULTI VANE POSITIVE DISPLACEMENT VALVE FOR USE WITH A SO...
    • Publication number 20140026606
    • Publication date Jan 30, 2014
    • RALPH MUSCATELL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY VACUUM PUMP WITH A DISCHARGE COMPENSATING CHANNEL
    • Publication number 20130251578
    • Publication date Sep 26, 2013
    • OERLIKON LEYBOLD VACUUM GMBH
    • Eric FIGONI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE COMPRESSOR
    • Publication number 20130064705
    • Publication date Mar 14, 2013
    • Mitsubishi Electric Corporation
    • Shin Sekiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY SLIDING-VANE COMPRESSOR
    • Publication number 20120134868
    • Publication date May 31, 2012
    • KINGSTON COMP CO., LTD.
    • Mao-Tu Lee
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP
    • Publication number 20120076682
    • Publication date Mar 29, 2012
    • Ryuichi Sakakibara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP WITH VENTILATING MEANS
    • Publication number 20120060683
    • Publication date Mar 15, 2012
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND KIT REPAIRING AND INFLATING INFLATABLE ARTICLES
    • Publication number 20120034124
    • Publication date Feb 9, 2012
    • TEX GLOBAL S.r.l.
    • Sergio Lolli
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Vane Pump and Vapor Leakage Check System Having the Same
    • Publication number 20110311385
    • Publication date Dec 22, 2011
    • DENSO CORPORATION
    • Mitsuyuki KOBAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20110217200
    • Publication date Sep 8, 2011
    • Bernd Hess
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Generation and Use of High Pressure Air
    • Publication number 20110187118
    • Publication date Aug 4, 2011
    • Windfuel Mills Pty Ltd
    • Robert Lloyd
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Vacuum Pump
    • Publication number 20110171041
    • Publication date Jul 14, 2011
    • Bing Zhao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE FOR BRANCHING OFF A FLUIDIC PARTIAL FLOW
    • Publication number 20110165008
    • Publication date Jul 7, 2011
    • Andreas Schunk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMBINATION VERTICAL ROTARY VANE SUCTION PUMP AND LIQUID SEPARATOR
    • Publication number 20110143311
    • Publication date Jun 16, 2011
    • Gast Manufacturing, Inc.
    • Delbert L. Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vane pump
    • Publication number 20110064598
    • Publication date Mar 17, 2011
    • TAIHO KOGYO CO., LTD.
    • Yoshinobu Kishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor and Method for Compressing Gaseous Fuel
    • Publication number 20110045416
    • Publication date Feb 24, 2011
    • Peter Kay
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Vacuum Pump
    • Publication number 20100239440
    • Publication date Sep 23, 2010
    • Wabco Automotive UK Limited
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...