TREA

of arcuate-engagement type

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  • CPC
  • F04C18/02
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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

F04C18/02of arcuate-engagement type
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotor assembly and compressor
    • Patent number 12,359,666
    • Issue date Jul 15, 2025
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGY CO., LTD.
    • Yang Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having compression subassembly and methods of assembling...
    • Patent number 12,352,265
    • Issue date Jul 8, 2025
    • Copeland LP
    • Stephen Hopkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,345,259
    • Issue date Jul 1, 2025
    • LG Electronics Inc.
    • Changeol Jo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,345,256
    • Issue date Jul 1, 2025
    • Daikin Industries, Ltd.
    • Kosuke Araki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and a dynamic vortex disk thereof
    • Patent number 12,345,257
    • Issue date Jul 1, 2025
    • Robert Bosch GmbH
    • Devin Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Co-rotating scroll compressor having synchronization mechanism
    • Patent number 12,345,258
    • Issue date Jul 1, 2025
    • Copeland LP
    • Kirill M. Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with intermediate injection
    • Patent number 12,338,818
    • Issue date Jun 24, 2025
    • TRANE INTERNATIONAL INC.
    • Derrick Lepak
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor
    • Patent number 12,338,824
    • Issue date Jun 24, 2025
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Noriaki Arashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid filter for a compressor
    • Patent number 12,331,747
    • Issue date Jun 17, 2025
    • HANON SYSTEMS
    • Steven J. Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Noise and vibration management for smoke evacuation system
    • Patent number 12,331,748
    • Issue date Jun 17, 2025
    • MegaDyne Medical Products, Inc.
    • Chad S. Frampton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Compressor
    • Patent number 12,331,742
    • Issue date Jun 17, 2025
    • LG Electronics Inc.
    • Taekyoung Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll machine with multiple flow paths for the inlet flow includin...
    • Patent number 12,331,743
    • Issue date Jun 17, 2025
    • Bitzer Kuhlmaschinenbau GmbH
    • Markus Hauser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,320,356
    • Issue date Jun 3, 2025
    • HANON SYSTEMS
    • Jong Hyun Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Counterweight for a scroll compressor
    • Patent number 12,320,357
    • Issue date Jun 3, 2025
    • Danfoss Commercial Compressors
    • Arnaud Daussin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 12,320,352
    • Issue date Jun 3, 2025
    • Fu Sheng Industrial Co. Ltd.
    • Hsun-An Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Back pressure regulating valve and an electric type of a scroll com...
    • Patent number 12,313,065
    • Issue date May 27, 2025
    • AT THERMO CO., LTD.
    • Sung-Hyun Jeun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-free phase separating compressor
    • Patent number 12,313,072
    • Issue date May 27, 2025
    • TRANE INTERNATIONAL INC.
    • Masao Akei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Methods and systems for lubricating a transport climate control sys...
    • Patent number 12,313,066
    • Issue date May 27, 2025
    • Thermo King LLC
    • Eric S. Mlsna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inverter manufacturing equipment
    • Patent number 12,297,834
    • Issue date May 13, 2025
    • HANON SYSTEMS
    • Jae Chul Lee
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Scroll compressor and refrigeration apparatus
    • Patent number 12,297,830
    • Issue date May 13, 2025
    • Daikin Industries, Ltd.
    • Taiga Arakane
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-driven compressor
    • Patent number 12,292,217
    • Issue date May 6, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shun Ito
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Device for controlling a fluid mass flow for a device for compressi...
    • Patent number 12,292,051
    • Issue date May 6, 2025
    • HANON SYSTEMS
    • Ayhan Ayar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,286,971
    • Issue date Apr 29, 2025
    • LG Electronics Inc.
    • Minho Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,281,653
    • Issue date Apr 22, 2025
    • LG Electronics Inc.
    • Byungkil Yoo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor
    • Patent number 12,276,279
    • Issue date Apr 15, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Takahiro Kato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor
    • Patent number 12,264,675
    • Issue date Apr 1, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Toshiharu Awa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axially flexible compressor
    • Patent number 12,264,674
    • Issue date Apr 1, 2025
    • HANGZHOU LVNENG NEW ENERGY VEHICLE PARTS CO., LTD.
    • Dawei Ge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,258,964
    • Issue date Mar 25, 2025
    • LG Electronics Inc.
    • Byungkil Yoo
    • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    Vortex Compressor
    • Publication number 20250237215
    • Publication date Jul 24, 2025
    • ROBERT BOSCH GmbH
    • Qilin Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONNECTOR ASSEMBLY FOR SCROLL COMPRESSOR
    • Publication number 20250230814
    • Publication date Jul 17, 2025
    • Carrier Corporation
    • KeonWoo Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL DEVICE WITH TIP SEALS AND BACKUP SEALS
    • Publication number 20250230812
    • Publication date Jul 17, 2025
    • Air Squared, LLC
    • Scott D. Farnham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250223964
    • Publication date Jul 10, 2025
    • HANON SYSTEMS
    • Jong Hyun Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND REFRIGERATION APPARATUS INCLUDING THE SAME
    • Publication number 20250223965
    • Publication date Jul 10, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Yasuhiro MURAKAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CO-ROTATING SCROLL COMPRESSOR
    • Publication number 20250215876
    • Publication date Jul 3, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Akito SUGAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250215877
    • Publication date Jul 3, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Koki SHINOHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CO-ROTATING SCROLL COMPRESSOR
    • Publication number 20250207588
    • Publication date Jun 26, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuji HASHIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250207593
    • Publication date Jun 26, 2025
    • HANON SYSTEMS
    • Kwang Jin Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250207586
    • Publication date Jun 26, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yusuke IWASE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP
    • Publication number 20250207587
    • Publication date Jun 26, 2025
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CO-ROTATING SCROLL COMPRESSOR
    • Publication number 20250207589
    • Publication date Jun 26, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yosuke INAGAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICES FOR COMPRESSING A GASEOUS FLUID AND METHOD OF OPERATING A D...
    • Publication number 20250188933
    • Publication date Jun 12, 2025
    • HANON SYSTEMS
    • Erik-Florian Falkus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE FOR CONTROLLING A FLUID MASS FLOW FOR A DEVICE FOR COMPRESSI...
    • Publication number 20250188932
    • Publication date Jun 12, 2025
    • HANON SYSTEMS
    • Ayhan Ayar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND MANUFACTURING METHOD THEREFOR
    • Publication number 20250188934
    • Publication date Jun 12, 2025
    • LG ELECTRONICS INC.
    • Kitae JANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRANKSHAFT ASSEMBLY FOR SCROLL DEVICES
    • Publication number 20250188928
    • Publication date Jun 12, 2025
    • Air Squared, LLC
    • Scott D. Farnham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Heat Pump Systems With Capacity Modulation
    • Publication number 20250188927
    • Publication date Jun 12, 2025
    • Copeland LP
    • Brian R. BUTLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ANTIROTATION REED VALVE SYSTEMS AND METHODS FOR COMPRESSORS
    • Publication number 20250180023
    • Publication date Jun 5, 2025
    • Copeland LP
    • Luke Alan Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION CYCLE DEVICE
    • Publication number 20250180257
    • Publication date Jun 5, 2025
    • Hitachi-Johnson Controls Air Conditioning, Inc.
    • Akihiro MURAKAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250180017
    • Publication date Jun 5, 2025
    • LG ELECTRONICS INC.
    • Sangbaek PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250180018
    • Publication date Jun 5, 2025
    • LG ELECTRONICS INC.
    • Kangwook LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP WITH TWO-PIECE CRANKSHAFT
    • Publication number 20250180022
    • Publication date Jun 5, 2025
    • Agilent Technologies, Inc.
    • John Calhoun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND REFRIGERATING APPARATUS
    • Publication number 20250172142
    • Publication date May 29, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Kosuke ARAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPENSATION MECHANISM FOR A DISPLACEMENT MACHINE
    • Publication number 20250172145
    • Publication date May 29, 2025
    • OET GmbH
    • Christian BUSCH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPONENT OF COMPRESSION MECHANISM, COMPRESSION MECHANISM, A...
    • Publication number 20250172143
    • Publication date May 29, 2025
    • Copeland Climate Technologies (Suzhou) Co., Ltd.
    • Yue ZHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250175096
    • Publication date May 29, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Shun ITO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR, COMPRESSOR AND AIR CONDITIONER
    • Publication number 20250172322
    • Publication date May 29, 2025
    • AICHI ELECTRIC CO., LTD.
    • Yudai SUZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FIXED SCROLL ASSEMBLY, SCROLL COMPRESSOR, AND METHOD FOR MACHINING...
    • Publication number 20250172141
    • Publication date May 29, 2025
    • Copeland Climate Technologies (Suzhou) Co., Ltd.
    • Xuan LIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION APPARATUS
    • Publication number 20250163914
    • Publication date May 22, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Akira MORI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC SCROLL COMPRESSOR
    • Publication number 20250154942
    • Publication date May 15, 2025
    • MAHLE International GmbH
    • Abian Bautista Rodriguez
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...