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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

    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...
  • 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 compressors including ring-shaped counterweight assemblies
    • Patent number 12,253,082
    • Issue date Mar 18, 2025
    • Copeland LP
    • Stephen M. Hopkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with adjusting mechanism for reducing swing of ec...
    • Patent number 12,253,081
    • Issue date Mar 18, 2025
    • HANON SYSTEMS
    • Se Young Song
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor
    • Patent number 12,247,558
    • Issue date Mar 11, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Atsushi Naito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with direct return of oil from an oil separator i...
    • Patent number 12,247,567
    • Issue date Mar 11, 2025
    • Sanden International (Europe) GmbH
    • Manuel Wagner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Assembly and electric compressor with modular stator assembly
    • Patent number 12,241,467
    • Issue date Mar 4, 2025
    • Mahle International GmbH
    • Tyler Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 and method for assembling fixed scroll of scroll...
    • Patent number 12,234,821
    • Issue date Feb 25, 2025
    • Copeland Climate Technologies (Suzhou) Co. Ltd.
    • Erfeng Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and moving scroll thereof
    • Patent number 12,228,128
    • Issue date Feb 18, 2025
    • Robert Bosch GmbH
    • Devin Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with movable trapezoidal seal
    • Patent number 12,221,961
    • Issue date Feb 11, 2025
    • PFEIFFER VACUUM TECHNOLOGY AG
    • Jonas Becker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 and method for controlling scroll compressor
    • Patent number 12,215,687
    • Issue date Feb 4, 2025
    • Danfoss Commercial Compressors
    • Patrice Bonnefoi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor for generating oil-free compressed air
    • Patent number 12,215,690
    • Issue date Feb 4, 2025
    • OET GmbH
    • Christian Busch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,215,684
    • Issue date Feb 4, 2025
    • LG Electronics Inc.
    • Howon Lee
    • 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

    Scroll compressor
    • Patent number 12,209,583
    • Issue date Jan 28, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Ken Namiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electrical machine
    • Patent number 12,212,193
    • Issue date Jan 28, 2025
    • MELECS EWS GMBH
    • Thomas Doppler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Filter-and-throttle unit for a scroll compressor, and scroll compre...
    • Patent number 12,203,473
    • Issue date Jan 21, 2025
    • Pierburg GmbH
    • Lukas Loehmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLOATING-TYPE OIL-FREE VACUUM SCROLL COMPRESSOR
    • Publication number 20250146487
    • Publication date May 8, 2025
    • SHENYANG CANTA MEDICAL TECH. CO., LTD.
    • Xiaobo ZHU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250146488
    • Publication date May 8, 2025
    • LG ELECTRONICS INC.
    • Changeol JO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL-MODE COMPRESSOR
    • Publication number 20250137460
    • Publication date May 1, 2025
    • TSINGHUA UNIVERSITY
    • Weilin ZHUGE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICATION SYSTEM FOR COMPRESSORS
    • Publication number 20250129783
    • Publication date Apr 24, 2025
    • TRANE INTERNATIONAL INC.
    • Eric S. Mlsna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A VARIABLE-SPEED REFRIGERATING SCROLL COMPRESSOR WITH AN OIL FLOW R...
    • Publication number 20250129781
    • Publication date Apr 24, 2025
    • Danfoss Commercial Compressors
    • Remi Bou DARGHAM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    ELECTRIC COMPRESSOR
    • Publication number 20250129780
    • Publication date Apr 24, 2025
    • HANON SYSTEMS
    • Hyun Woo Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR HAVING COMPRESSION SUBASSEMBLY AND METHODS OF ASSEMBLING...
    • Publication number 20250122873
    • Publication date Apr 17, 2025
    • Copeland LP
    • Stephen Hopkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND METHOD FOR PRODUCING ECCENTRIC BUSH NECESSARY...
    • Publication number 20250122874
    • Publication date Apr 17, 2025
    • HANON SYSTEMS
    • Seung Yong Hwang
    • 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

    SCROLL ASSEMBLIES AND COMPRESSORS INCLUDING THE SAME
    • Publication number 20250116272
    • Publication date Apr 10, 2025
    • Copeland LP
    • Kirill Michailovich Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP
    • Publication number 20250109747
    • Publication date Apr 3, 2025
    • Edwards Limited
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250101983
    • Publication date Mar 27, 2025
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Ryota TANAHASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250092874
    • Publication date Mar 20, 2025
    • HANON SYSTEMS
    • Seung Kyu Na
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor And Oldham Ring And Mating Component For Scroll C...
    • Publication number 20250092788
    • Publication date Mar 20, 2025
    • Copeland Climate Technologies (Suzhou) Co., Ltd.
    • Zhongwei MIAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC SCROLL COMPRESSOR WITH MOTOR CONNECTOR ASSEMBLY AND MOTOR...
    • Publication number 20250096638
    • Publication date Mar 20, 2025
    • MAHLE International GmbH
    • Abian Bautista Rodriguez
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRIVE MEMBER FOR SCROLL COMPRESSOR, AND SCROLL COMPRESSOR
    • Publication number 20250084844
    • Publication date Mar 13, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250084847
    • Publication date Mar 13, 2025
    • Chan Ho Baek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRIVE ASSEMBLIES AND COMPRESSORS INCLUDING THE SAME
    • Publication number 20250075700
    • Publication date Mar 6, 2025
    • Copeland LP
    • Kirill Michailovich Ignatiev
    • 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
    • Publication number 20250067263
    • Publication date Feb 27, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250067265
    • Publication date Feb 27, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR-DRIVEN COMPRESSOR
    • Publication number 20250067261
    • Publication date Feb 27, 2025
    • Kabushiki Kaisha Toyota Jidoshokki
    • Keisuke ISOBE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250067262
    • Publication date Feb 27, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20250067264
    • Publication date Feb 27, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250059974
    • Publication date Feb 20, 2025
    • DANFOSS (TIANJIN) LTD.
    • Yusong SUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT MACHINE BASED ON THE SPIRAL PRINCIPLE
    • Publication number 20250059976
    • Publication date Feb 20, 2025
    • OET GmbH
    • Christian BUSCH
    • 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

    COMPRESSOR
    • Publication number 20250052239
    • Publication date Feb 13, 2025
    • Fu Sheng Industrial Co. Ltd.
    • Hsun-An Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND METHOD FOR CONTROLLING SCROLL COMPRESSOR
    • Publication number 20250052240
    • Publication date Feb 13, 2025
    • Danfoss Commercial Compressors
    • Patrice BONNEFOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...