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

    Rotary compressor with vane support portion to suppress or prevent...
    • Patent number 12,258,966
    • Issue date Mar 25, 2025
    • LG Electronics Inc.
    • Joonhong Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll pump with fluid recirculation valve
    • Patent number 12,258,963
    • Issue date Mar 25, 2025
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor and air conditioning system with an exhaust pipe...
    • Patent number 12,258,962
    • Issue date Mar 25, 2025
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGIES CO., LTD.
    • Wenping Suo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement machine, method, vehicle air conditioning sys...
    • Patent number 12,253,080
    • Issue date Mar 18, 2025
    • OET GmbH
    • Christian Busch
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Scroll electric compressor
    • Patent number 12,241,468
    • Issue date Mar 4, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yuya Hattori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor with circular surface terminations
    • Patent number 12,221,962
    • Issue date Feb 11, 2025
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor including a valve plate having a surface pressure...
    • Patent number 12,221,960
    • Issue date Feb 11, 2025
    • HANON SYSTEMS
    • Kwang Jin Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,215,685
    • Issue date Feb 4, 2025
    • LG Electronics Inc.
    • Jinyong Jang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,215,686
    • Issue date Feb 4, 2025
    • LG Electronics Inc.
    • Seokhwan Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and apparatus for an end seal for increasing efficiency of a...
    • Patent number 12,209,585
    • Issue date Jan 28, 2025
    • Lex Submersible Pumps FZE
    • Anton Shakirov
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Submersible centrifual pump having a hydrostatic support including...
    • Patent number 12,209,584
    • Issue date Jan 28, 2025
    • LEX SUMBERSIBLE PUMPS FZE
    • Anton Shakirov
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Multipath passive discharge valve for a compressor
    • Patent number 12,196,209
    • Issue date Jan 14, 2025
    • HANON SYSTEMS
    • Steven J. Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 12,196,208
    • Issue date Jan 14, 2025
    • Daikin Industries, Ltd.
    • Jin Takeda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with center hub
    • Patent number 12,188,470
    • Issue date Jan 7, 2025
    • Copeland LP
    • Natalie M. Gehret
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with funnel assembly
    • Patent number 12,180,966
    • Issue date Dec 31, 2024
    • Copeland LP
    • Natalie M. Gehret
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 12,180,965
    • Issue date Dec 31, 2024
    • LG Electronics Inc.
    • Jinho Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Antirotation reed valve systems and methods for compressors
    • Patent number 12,180,967
    • Issue date Dec 31, 2024
    • Copeland LP
    • Greg Seevers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPRESSOR
    • Publication number 20250129785
    • Publication date Apr 24, 2025
    • Hitachi-Johnson Controls Air Conditioning, Inc.
    • Allen FENG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND REFRIGERATION CYCLE DEVICE HAVING THE SAME
    • Publication number 20250129779
    • Publication date Apr 24, 2025
    • LG ELECTRONICS INC.
    • Kiyoul NOH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ANTIROTATION REED VALVE SYSTEMS AND METHODS FOR COMPRESSORS
    • Publication number 20250122878
    • Publication date Apr 17, 2025
    • Copeland LP
    • Greg Seevers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20250122875
    • Publication date Apr 17, 2025
    • JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) CO., LTD.
    • Haixian Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR AND REFRIGERATION CYCLE APPARATUS
    • Publication number 20250109748
    • Publication date Apr 3, 2025
    • Mitsubishi Electric Corporation
    • Takuma TSUKAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil-Free Air Compressor
    • Publication number 20250101984
    • Publication date Mar 27, 2025
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Yuki ISHIZUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    KIDNEY PORT CONFIGURATIONS IN PORT PLATES FOR BALANCED VANES
    • Publication number 20250101977
    • Publication date Mar 27, 2025
    • HAMILTON SUNDSTRAND CORPORATION
    • Edward W. Goy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BACK PRESSURE REGULATING VALVE AND AN ELECTRIC TYPE OF A SCROLL COM...
    • Publication number 20250075701
    • Publication date Mar 6, 2025
    • ATECHELTHERMO Co., Ltd.
    • Sung-Hyun JEUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Shutdown Valve Assembly
    • Publication number 20250052244
    • Publication date Feb 13, 2025
    • Copeland LP
    • Yogesh S. MAHURE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD USING REFRIGERANT FOR COMPRESSOR, COMPRESSOR, AND REFRIGERAT...
    • Publication number 20250043787
    • Publication date Feb 6, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Tomoyuki GOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP, PROTECTIVE NET, AND CONTACT PART
    • Publication number 20250035116
    • Publication date Jan 30, 2025
    • Edwards Japan Limited
    • Toshiki Yamaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION DEVICE
    • Publication number 20250020124
    • Publication date Jan 16, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Daiki KIKUTAKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20250003411
    • Publication date Jan 2, 2025
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Shunsuke YAKUSHIJI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250003408
    • Publication date Jan 2, 2025
    • HANON SYSTEMS
    • Jong Hyun Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    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

    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

    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...