TREA

Arrangements for admission or discharge of the working fluid

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  • F04C29/12
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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 F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Current Industry

F04C29/12Arrangements for admission or discharge of the working fluid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multistage compressor system with intercooler
    • Patent number 12,163,518
    • Issue date Dec 10, 2024
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and valve assembly
    • Patent number 12,163,523
    • Issue date Dec 10, 2024
    • Copeland LP
    • Srinivasan Ramalingam
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and air conditioning system
    • Patent number 12,152,589
    • Issue date Nov 26, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Mingsheng Zhuo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,152,590
    • Issue date Nov 26, 2024
    • SIAM COMPRESSOR INDUSTRY CO., LTD.
    • Nutthaporn Chalearmwattananon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with engineered shared communication port
    • Patent number 12,140,147
    • Issue date Nov 12, 2024
    • TRANE INTERNATIONAL INC.
    • Joseph E. Ziolkowski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor including end-plate side stepped portions of each...
    • Patent number 12,135,029
    • Issue date Nov 5, 2024
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for compressing a gaseous fluid
    • Patent number 12,135,025
    • Issue date Nov 5, 2024
    • HANON SYSTEMS
    • Dirk Gutberlet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having working chamber closing member to regulate...
    • Patent number 12,135,032
    • Issue date Nov 5, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takeshi Tsuchiya
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Compressor
    • Patent number 12,129,854
    • Issue date Oct 29, 2024
    • LG Electronics Inc.
    • Seungmock Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration device
    • Patent number 12,123,632
    • Issue date Oct 22, 2024
    • ANHUI MEIZHI PRECISION MANUFACTURING CO., LTD.
    • Xiaohan Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage pump body and multistage gas pump
    • Patent number 12,116,895
    • Issue date Oct 15, 2024
    • Ateliers Busch SA
    • Théodore Iltchev
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Co-rotating compressor
    • Patent number 12,104,594
    • Issue date Oct 1, 2024
    • Copeland LP
    • Kirill M. Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Retainer block bypass hole valve assembly arranged in non-orbiting...
    • Patent number 12,098,723
    • Issue date Sep 24, 2024
    • LG Electronics Inc.
    • Jeonghun Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,098,724
    • Issue date Sep 24, 2024
    • LG Electronics Inc.
    • Changeol Jo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,092,109
    • Issue date Sep 17, 2024
    • LG Electronics Inc.
    • Sanghun Seong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic electric compressor
    • Patent number 12,092,112
    • Issue date Sep 17, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Takuji Sasa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll structure and compressor with back pressure plate and floati...
    • Patent number 12,085,076
    • Issue date Sep 10, 2024
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGIES CORPORATION LIMITED
    • Canyu Qian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with a pressure relief low-speed rotation structure
    • Patent number 12,085,077
    • Issue date Sep 10, 2024
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGIES CORPORATION
    • Baiying Huang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,078,174
    • Issue date Sep 3, 2024
    • Copeland Climate Technologies (Suzhou) Co. Ltd.
    • Yonghua Cui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 12,078,175
    • Issue date Sep 3, 2024
    • LG Electronics Inc.
    • Jaeha Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having injection passage containing muffler
    • Patent number 12,071,948
    • Issue date Aug 27, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yoshihiro Fukaya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll-compressor, refrigeration device, and vehicle with oil separ...
    • Patent number 12,071,952
    • Issue date Aug 27, 2024
    • ANHUI WELLING AUTO PARTS CO., LTD.
    • Guobiao Jiang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,071,947
    • Issue date Aug 27, 2024
    • LG Electronics Inc.
    • Jaesang Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 and refrigeration cycle apparatus
    • Patent number 12,060,884
    • Issue date Aug 13, 2024
    • CARRIER JAPAN CORPORATION
    • Takuya Hirayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,055,142
    • Issue date Aug 6, 2024
    • HANON SYSTEMS
    • Kyung Jae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor with adjustable passage
    • Patent number 12,055,143
    • Issue date Aug 6, 2024
    • Carrier Corporation
    • David Okhman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage pump apparatus including sealing member
    • Patent number 12,049,894
    • Issue date Jul 30, 2024
    • Edwards Limited
    • Paul Milner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor with injection mechanism
    • Patent number 12,038,008
    • Issue date Jul 16, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Kenji Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTIPATH PASSIVE DISCHARGE VALVE FOR A COMPRESSOR
    • Publication number 20240418171
    • Publication date Dec 19, 2024
    • HANON SYSTEMS
    • Steven J. Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR
    • Publication number 20240418168
    • Publication date Dec 19, 2024
    • Foon Seto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240410367
    • Publication date Dec 12, 2024
    • Mitsubishi Electric Corporation
    • Masaya OKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELEMENT, DEVICE AND METHOD FOR COMPRESSING A GAS
    • Publication number 20240344516
    • Publication date Oct 17, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Michail GEORGIOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A SCROLL COMPRESSOR
    • Publication number 20240337263
    • Publication date Oct 10, 2024
    • SIAM COMPRESSOR INDUSTRY CO., LTD.
    • Nutthaporn CHALEARMWATTANANON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SECONDARY AIRFLOW PATHS FOR AIR COMPRESSORS
    • Publication number 20240337262
    • Publication date Oct 10, 2024
    • Doosan Bobcat North America, Inc.
    • David Rowe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRO-MAGNETIC THROTTLE VALVE
    • Publication number 20240328530
    • Publication date Oct 3, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Vineeth Poulose
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240318654
    • Publication date Sep 26, 2024
    • LG ELECTRONICS INC.
    • Honghee PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240318653
    • Publication date Sep 26, 2024
    • LG ELECTRONICS INC.
    • Honghee PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC TYPE COMPRESSOR
    • Publication number 20240309871
    • Publication date Sep 19, 2024
    • FUJITSU GENERAL LIMITED
    • Koji UKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TUBE ASSEMBLY, COMPRESSOR, REFRIGERATION APPARATUS, AND METHOD OF M...
    • Publication number 20240309975
    • Publication date Sep 19, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Kenji NAGAHARA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    RADIAL PISTON ROTARY MACHINE
    • Publication number 20240271624
    • Publication date Aug 15, 2024
    • UP-STEEL, S.R.O.
    • Lubos URBAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND REFRIGERATION APPARATUS
    • Publication number 20240271620
    • Publication date Aug 15, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Taiga ARAKANE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240240637
    • Publication date Jul 18, 2024
    • LG ELECTRONICS INC.
    • Sanghun SEONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC TYPE COMPRESSOR
    • Publication number 20240230174
    • Publication date Jul 11, 2024
    • FUJITSU GENERAL LIMITED
    • Kenshi UEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND FREEZER
    • Publication number 20240229795
    • Publication date Jul 11, 2024
    • Daikin Industries, Ltd.
    • Hiromichi UENO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor With Shutdown Assembly
    • Publication number 20240218881
    • Publication date Jul 4, 2024
    • Copeland LP
    • Daniel J. STRIEBICH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR FOR A VACUUM PUMP
    • Publication number 20240218879
    • Publication date Jul 4, 2024
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor With Funnel Assembly
    • Publication number 20240209858
    • Publication date Jun 27, 2024
    • Copeland LP
    • Natalie M. GEHRET
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240167473
    • Publication date May 23, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Kosuke ARAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240151228
    • Publication date May 9, 2024
    • LG ELECTRONICS INC.
    • Seokhwan MOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC TYPE COMPRESSOR
    • Publication number 20240133594
    • Publication date Apr 25, 2024
    • FUJITSU GENERAL LIMITED
    • Kenshi UEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240102469
    • Publication date Mar 28, 2024
    • LG ELECTRONICS INC.
    • Jeonghun Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240084800
    • Publication date Mar 14, 2024
    • HANON SYSTEMS
    • Kwang Jin Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotor Assembly, Compressor and Air Conditioner
    • Publication number 20240084802
    • Publication date Mar 14, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Jianming Tan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH ENGINEERED SHARED COMMUNICATION PORT
    • Publication number 20240084801
    • Publication date Mar 14, 2024
    • TRANE INTERNATIONAL INC.
    • Joseph E. Ziolkowski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240077080
    • Publication date Mar 7, 2024
    • LG ELECTRONICS INC.
    • Changeol JO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240052839
    • Publication date Feb 15, 2024
    • LG ELECTRONICS INC.
    • Seungmock LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor With Center Hub
    • Publication number 20240052836
    • Publication date Feb 15, 2024
    • Copeland LP
    • Natalie M. GEHRET
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH CIRCULAR SURFACE TERMINATIONS
    • Publication number 20240044334
    • Publication date Feb 8, 2024
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...