TREA

with vanes reciprocating with respect to the outer member

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  • CPC
  • F04C18/356
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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

F04C18/356with vanes reciprocating with respect to the outer member
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor
    • Patent number 12,326,148
    • Issue date Jun 10, 2025
    • Rechi Precision Co., Ltd.
    • Li-Yao Chiang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,326,149
    • Issue date Jun 10, 2025
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hirofumi Yoshida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compression device having integrated discharge chamber(s) and compr...
    • Patent number 12,320,354
    • Issue date Jun 3, 2025
    • Mahle International GmbH
    • Corey Van Auken
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,313,073
    • Issue date May 27, 2025
    • LG Electronics Inc.
    • Seseok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump body assembly, compressor and air conditioner
    • Patent number 12,305,643
    • Issue date May 20, 2025
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Yusheng Hu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with chromium nitride and titanium nitride layers
    • Patent number 12,297,832
    • Issue date May 13, 2025
    • CARRIER JAPAN CORPORATION
    • Norihisa Watanabe
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,228,130
    • Issue date Feb 18, 2025
    • LG Electronics Inc.
    • Seseok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low-pressure chamber rotary compressor and air conditioner
    • Patent number 12,196,205
    • Issue date Jan 14, 2025
    • GUANGZHOU DESHAN CNC TECHNOLOGY CO., LTD.
    • Yingxue Luo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor, air conditioner and method for assembling compressor
    • Patent number 12,163,521
    • Issue date Dec 10, 2024
    • GREEN REFRIGERATION EQUIPMENT ENGINEERING RESEARCH CENTER OF ZHUHAI GREE CO.,...
    • Mingzhu Dong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,123,414
    • Issue date Oct 22, 2024
    • LG Electronics Inc.
    • Joonhong Park
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor and refrigeration cycle device
    • Patent number 12,117,214
    • Issue date Oct 15, 2024
    • GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    • Yusheng Hu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor and refrigeration cycle device
    • Patent number 12,110,890
    • Issue date Oct 8, 2024
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Masao Ozu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,110,894
    • Issue date Oct 8, 2024
    • LG Electronics Inc.
    • Jinung Shin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for determining a discharge pressure of a rolling piston com...
    • Patent number 12,098,722
    • Issue date Sep 24, 2024
    • Haier US Appliance Solutions, Inc.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration system
    • Patent number 12,085,079
    • Issue date Sep 10, 2024
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Bin Gao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Baffle plate for compressor, compressor, and refrigeration apparatus
    • Patent number 12,049,897
    • Issue date Jul 30, 2024
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Yang Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,031,539
    • Issue date Jul 9, 2024
    • Fujitsu General Limited
    • Ryo Akimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Accumulator fixing device for compressor and compressor having the...
    • Patent number 12,031,440
    • Issue date Jul 9, 2024
    • LG Electronics Inc.
    • Kwangkyou Lee
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor and refrigeration cycle apparatus
    • Patent number 12,025,130
    • Issue date Jul 2, 2024
    • TOSHIBA CARRIER CORPORATION
    • Takuya Hirayama
    • 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

    Multistage compression system
    • Patent number 11,994,127
    • Issue date May 28, 2024
    • Daikin Industries, Ltd.
    • Daisuke Okamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and air conditioner
    • Patent number 11,976,657
    • Issue date May 7, 2024
    • Mitsubishi Electric Corporation
    • Kazuhiko Baba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single-stage enthalpy enhancing rotary compressor and air condition...
    • Patent number 11,971,038
    • Issue date Apr 30, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Guanghui Xia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with vane coupled to rolling piston
    • Patent number RE49937
    • Issue date Apr 23, 2024
    • LG Electronics Inc.
    • Gukhyun Cho
  • Information Patent Grant

    Rotary compressor including a plurality of recessed portions for re...
    • Patent number 11,959,480
    • Issue date Apr 16, 2024
    • Fujitsu General Limited
    • Hiroki Katayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air conditioner and compressor
    • Patent number 11,953,008
    • Issue date Apr 9, 2024
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Yanjun Hu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable-frequency compressor with adaptive heating power control a...
    • Patent number 11,955,915
    • Issue date Apr 9, 2024
    • Danfoss (Tianjin) Ltd.
    • Shizhong Ji
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with an oil groove facing the vane and exposed to...
    • Patent number 11,933,305
    • Issue date Mar 19, 2024
    • Fujitsu General Limited
    • Shuhei Hoshino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 11,933,302
    • Issue date Mar 19, 2024
    • Fujitsu General Limited
    • Hideto Uchikai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 11,885,329
    • Issue date Jan 30, 2024
    • Fujitsu General Limited
    • Hideto Uchikai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY COMPRESSOR AND HOME APPLIANCE INCLUDING THE SAME
    • Publication number 20250189185
    • Publication date Jun 12, 2025
    • Samsung Electronics Co., Ltd.
    • Sedong LEE
    • 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

    COMPRESSOR AND REFRIGERATION CYCLE DEVICE
    • Publication number 20250122876
    • Publication date Apr 17, 2025
    • Carrier Japan Corporation
    • Yuzuki Kawashima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20250116273
    • Publication date Apr 10, 2025
    • Panasonic Intellectual Property Management Co., Ltd.
    • Hirofumi YOSHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20240344518
    • Publication date Oct 17, 2024
    • LG ELECTRONICS INC.
    • Seseok SEOL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20240328420
    • Publication date Oct 3, 2024
    • LG ELECTRONICS INC.
    • Seseok SEOL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW-PRESSURE CHAMBER ROTARY COMPRESSOR AND AIR CONDITIONER
    • Publication number 20240271621
    • Publication date Aug 15, 2024
    • GUANGZHOU DESHAN CNC TECHNOLOGY CO., LTD.
    • Yingxue Luo
    • 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

    ROTARY COMPRESSOR
    • Publication number 20240151231
    • Publication date May 9, 2024
    • LG ELECTRONICS INC.
    • Jinung SHIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP BODY ASSEMBLY, COMPRESSOR AND AIR CONDITIONER
    • Publication number 20230160387
    • Publication date May 25, 2023
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Yusheng HU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230131102
    • Publication date Apr 27, 2023
    • LG ELECTRONICS INC.
    • Sedong LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230120434
    • Publication date Apr 20, 2023
    • FUJITSU GENERAL LIMITED
    • Hideto UCHIKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230117903
    • Publication date Apr 20, 2023
    • FUJITSU GENERAL LIMITED
    • Shuhei HOSHINO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230080650
    • Publication date Mar 16, 2023
    • FUJITSU GENERAL LIMITED
    • Tatsuya YASUI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE-STAGE ENTHALPY ENHANCING ROTARY COMPRESSOR AND AIR CONDITION...
    • Publication number 20230018817
    • Publication date Jan 19, 2023
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Guanghui XIA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20220412358
    • Publication date Dec 29, 2022
    • LG ELECTRONICS INC.
    • Sangmin NA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR HAVING RECIPROCATOR AND SUPPORT
    • Publication number 20220299029
    • Publication date Sep 22, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Yudai IWAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND HOME APPLIANCE INCLUDING SAME
    • Publication number 20220186731
    • Publication date Jun 16, 2022
    • Samsung Electronics Co., Ltd.
    • Hyolim HEO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE-FREQUENCY COMPRESSOR WITH ADAPTIVE HEATING POWER CONTROL...
    • Publication number 20220186730
    • Publication date Jun 16, 2022
    • DANFOSS (TIANJIN) LTD.
    • Shizhong Ji
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND AIR CONDITIONER
    • Publication number 20220099080
    • Publication date Mar 31, 2022
    • Mitsubishi Electric Corporation
    • Kazuhiko BABA
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    AIR CONDITIONER AND COMPRESSOR
    • Publication number 20220049701
    • Publication date Feb 17, 2022
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Yanjun HU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL-CYLINDER TWO-STAGE VARIABLE CPACITY COMPRESSOR
    • Publication number 20220034320
    • Publication date Feb 3, 2022
    • SHANGHAI HIGHLY ELECTRICAL APPLIANCES CO., LTD.
    • Yanzhen WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY COMPRESSOR
    • Publication number 20220025887
    • Publication date Jan 27, 2022
    • SHANGHAI HIGHLY ELECTRICAL APPLIANCES CO., LTD.
    • Yanzhen WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND REFRIGERATION CYCLE DEVICE
    • Publication number 20220010796
    • Publication date Jan 13, 2022
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Masao OZU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20210363991
    • Publication date Nov 25, 2021
    • LG ELECTRONICS INC.
    • Joonhong Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20210363990
    • Publication date Nov 25, 2021
    • LG Electronics Inc.
    • Jinung SHIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR-DRIVEN COMPRESSOR
    • Publication number 20210301821
    • Publication date Sep 30, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yoshihiro FUKAYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20210301823
    • Publication date Sep 30, 2021
    • LG Electronics Inc.
    • Seokhwan MOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND REFRIGERATION CYCLE APPARATUS
    • Publication number 20210207601
    • Publication date Jul 8, 2021
    • Toshiba Carrier Corporation
    • Takuya Hirayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE-TYPE COMPRESSOR
    • Publication number 20210180597
    • Publication date Jun 17, 2021
    • LG Electronics Inc.
    • Bumdong SA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...