TREA

Lubrication

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Industry

  • CPC
  • F04C15/0088
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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 F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00

Current Industry

F04C15/0088Lubrication
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vane pump rotors
    • Patent number 12,331,741
    • Issue date Jun 17, 2025
    • Hamilton Sundstrand Corporation
    • Zachary Allen Ray Le Duc
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 12,313,069
    • Issue date May 27, 2025
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shuhei Nagata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump and drive machine
    • Patent number 12,305,638
    • Issue date May 20, 2025
    • Valeo Powertrain GmbH
    • Roland Stoessel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor with scroll bearing injection orifice
    • Patent number 12,292,048
    • Issue date May 6, 2025
    • Mahle International GmbH
    • Brent Haseley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronic positive displacement fluid pump with motor cooling and...
    • Patent number 12,264,673
    • Issue date Apr 1, 2025
    • PHINIA JERSEY HOLDINGS LLC
    • Alejandro Moreno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor with oil blocking guide
    • Patent number 12,241,466
    • Issue date Mar 4, 2025
    • Samsung Electronics Co., Ltd.
    • Joonhyung Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electronic oil pump
    • Patent number 12,234,820
    • Issue date Feb 25, 2025
    • Zhejiang Sanhua Automotive Components Co., Ltd.
    • Yao Guo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High efficiency seal oil system
    • Patent number 12,173,844
    • Issue date Dec 24, 2024
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Axel Jaeschke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Subsea pump system with process lubricated bearings
    • Patent number 12,163,525
    • Issue date Dec 10, 2024
    • FSubsea AS
    • Terje Hollingsæter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic machine with lubricated rotating spool
    • Patent number 12,152,586
    • Issue date Nov 26, 2024
    • White Drive Motors and Steering SP. Z.O.O.
    • Adam Mrowczynski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump
    • Patent number 12,140,145
    • Issue date Nov 12, 2024
    • Valeo Powertrain GmbH
    • Roland Stoessel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having oil supply groove in communication with oi...
    • Patent number 12,117,002
    • Issue date Oct 15, 2024
    • LG Electronics Inc.
    • Honghee Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,038,002
    • Issue date Jul 16, 2024
    • LG Electronics Inc.
    • Kiyoul Noh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-injected multi-stage compressor system and procedure for contro...
    • Patent number 12,018,678
    • Issue date Jun 25, 2024
    • Atlas Copco Airpower, naamloze vennootschap
    • Stijn Broucke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,965,508
    • Issue date Apr 23, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Takumi Maeda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Horizontal type rotary compressor and home appliance including the...
    • Patent number 11,953,001
    • Issue date Apr 9, 2024
    • Samsung Electronics Co., Ltd.
    • Soodol Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tapered shafts for fluid pumps
    • Patent number 11,933,295
    • Issue date Mar 19, 2024
    • General Electric Company
    • Bradley Alan Bauer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,846,286
    • Issue date Dec 19, 2023
    • Daikin Industries, Ltd.
    • Eitarou Nakatani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with a bearing lubrication system
    • Patent number 11,846,285
    • Issue date Dec 19, 2023
    • Nuovo Pignone Tecnologie Srl
    • Francesco Cangioli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Helical gear pump and helical gear motor
    • Patent number 11,773,845
    • Issue date Oct 3, 2023
    • Shimadzu Corporation
    • Kenichi Kanatani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Serviceable fluid pump
    • Patent number 11,746,781
    • Issue date Sep 5, 2023
    • Pitco Frialator, Inc.
    • Steven Savage
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,713,756
    • Issue date Aug 1, 2023
    • LG Electronics Inc.
    • Taekyoung Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having oil supply passages in fluid communication...
    • Patent number 11,668,302
    • Issue date Jun 6, 2023
    • LG Electronics Inc.
    • Jungsun Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of priming a pump of an aircraft engine
    • Patent number 11,603,842
    • Issue date Mar 14, 2023
    • Pratt & Whitney Canada Corp.
    • Dana Tomescu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary cylinder piston compressor pump and compressor with rotary c...
    • Patent number 11,566,619
    • Issue date Jan 31, 2023
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Hui Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric oil pump for hydraulic control and oil supplying system pr...
    • Patent number 11,549,509
    • Issue date Jan 10, 2023
    • Hyundai Motor Company
    • Sung Wook Jang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Transfer case off-axis pump
    • Patent number 11,525,506
    • Issue date Dec 13, 2022
    • GM Global Technology Operations LLC
    • James M. Hart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor including a lubrication system provided with an o...
    • Patent number 11,519,408
    • Issue date Dec 6, 2022
    • Danfoss Commercial Compressors
    • Arnaud Daussin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas pump with pressure relief for reducing the starting torque
    • Patent number 11,506,204
    • Issue date Nov 22, 2022
    • Schwabische Huttenwerke Automotive GmbH
    • Uwe Meinig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Crankshaft assembly, compressor and refrigeration device
    • Patent number 11,493,039
    • Issue date Nov 8, 2022
    • ANHUI MEIZHI COMPRESSOR CO., LTD.
    • Gang Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL PUMP FOR A MOTOR VEHICLE
    • Publication number 20250092872
    • Publication date Mar 20, 2025
    • Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
    • Nico WIESSMANN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20250075698
    • Publication date Mar 6, 2025
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Shuhei NAGATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20250035110
    • Publication date Jan 30, 2025
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuya HATTORI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMOTIVE PENDULUM-SLIDER PUMP
    • Publication number 20240426296
    • Publication date Dec 26, 2024
    • PIERBURG PUMP TECHNOLOGY GMBH
    • CARMINE CUNEO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW PUMP AND ITS COMPONENTS
    • Publication number 20240410363
    • Publication date Dec 12, 2024
    • Illinois Tool Works Inc.
    • Lionel Martin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP FEATURING FLUID LUBRICATION FOR AN IMPELLER
    • Publication number 20240410364
    • Publication date Dec 12, 2024
    • Schwäbische Hüttenwerke Automotive GmbH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP ROTORS
    • Publication number 20240401591
    • Publication date Dec 5, 2024
    • HAMILTON SUNDSTRAND CORPORATION
    • Zachary Allen Ray Le Duc
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Single-Entry Screw Pump
    • Publication number 20240369058
    • Publication date Nov 7, 2024
    • ITT Bornemann GmbH
    • David Johannes Blatt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP AND ITS USE
    • Publication number 20240352934
    • Publication date Oct 24, 2024
    • MAAG PUMP SYSTEMS AG
    • René TRIEBE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ELECTRONIC POSITIVE DISPLACEMENT FLUID PUMP WITH MOTOR COOLING AND...
    • Publication number 20240328415
    • Publication date Oct 3, 2024
    • DELPHI TECHNOLOGIES IP LIMITED
    • Alejandro Moreno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP
    • Publication number 20240229790
    • Publication date Jul 11, 2024
    • Valeo Powertrain GmbH
    • Roland STOESSEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH EFFICIENCY SEAL OIL SYSTEM
    • Publication number 20240183491
    • Publication date Jun 6, 2024
    • Circor Pumps North America, LLC
    • Axel Jaeschke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240183353
    • Publication date Jun 6, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • Kazuya SATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP
    • Publication number 20240133377
    • Publication date Apr 25, 2024
    • Valeo Powertrain GmbH
    • Roland STOESSEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR WITH SCROLL BEARING INJECTION ORIFICE
    • Publication number 20240084795
    • Publication date Mar 14, 2024
    • MAHLE International GmbH
    • Brent Haseley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR WITH OIL BLOCKING GUIDE
    • Publication number 20240077077
    • Publication date Mar 7, 2024
    • Samsung Electronics Co., LTD
    • Joonhyung KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TAPERED SHAFTS FOR FLUID PUMPS
    • Publication number 20230392595
    • Publication date Dec 7, 2023
    • GENERAL ELECTRIC COMPANY
    • Bradley Alan Bauer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20230383747
    • Publication date Nov 30, 2023
    • LG ELECTRONICS INC.
    • Honghee PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230366398
    • Publication date Nov 16, 2023
    • LG ELECTRONICS INC.
    • Kiyoul NOH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20230304493
    • Publication date Sep 28, 2023
    • Kabushiki Kaisha Toyota Jidoshokki
    • Takumi MAEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BEARING STRUCTURE FOR GEAR IN EXTERNAL GEAR PUMP
    • Publication number 20230184247
    • Publication date Jun 15, 2023
    • IHI Corporation
    • Masahiro TANIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HORIZONTAL TYPE ROTARY COMPRESSOR AND HOME APPLIANCE INCLUDING THE...
    • Publication number 20230021042
    • Publication date Jan 19, 2023
    • Samsung Electronics Co., Ltd.
    • Soodol PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP AND DRIVE MACHINE
    • Publication number 20220403843
    • Publication date Dec 22, 2022
    • FTE automotive GmbH
    • Roland STOESSEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL TUBING INSTALLATION ASSEMBLY AND SCROLL COMPRESSOR
    • Publication number 20220325713
    • Publication date Oct 13, 2022
    • DANFOSS (TIANJIN) LTD.
    • Lixin Han
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20220307498
    • Publication date Sep 29, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR PROVIDED WITH AN HYDROSTATIC LOWER BEARING ARRANG...
    • Publication number 20220290666
    • Publication date Sep 15, 2022
    • Danfoss Commercial Compressors
    • Patrice Bonnefoi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20220275802
    • Publication date Sep 1, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Eitarou NAKATANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20220260074
    • Publication date Aug 18, 2022
    • LG ELECTRONICS INC.
    • Jungsun CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TRANSFER CASE OFF-AXIS PUMP
    • Publication number 20220252146
    • Publication date Aug 11, 2022
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • James M. Hart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SCROLL COMPRESSOR INCLUDING A LUBRICATION SYSTEM PROVIDED WITH AN O...
    • Publication number 20220163036
    • Publication date May 26, 2022
    • Danfoss Commercial Compressors
    • Arnaud Daussin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...