TREA

Lubrication of pistons or cylinders

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Industry

  • CPC
  • F04B39/0292
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B39/00Component parts, details, or accessories, of pumps or pumping systems, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

Current Industry

F04B39/0292Lubrication of pistons or cylinders
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-stage compressor
    • Patent number 11,988,200
    • Issue date May 21, 2024
    • DONGGUAN XIANMA ELECTROMECHANICAL CO., LTD
    • Menglin Zou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,982,266
    • Issue date May 14, 2024
    • LG Electronics Inc.
    • Jongchan Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,976,644
    • Issue date May 7, 2024
    • LG Electronics Inc.
    • Hyeongjun Lim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,952,992
    • Issue date Apr 9, 2024
    • LG Electronics Inc.
    • Wooju Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lube oil replenishment for compressors
    • Patent number 11,920,577
    • Issue date Mar 5, 2024
    • Saudi Arabian Oil Company
    • Talal H. Rashidi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Linear compressor
    • Patent number 11,808,262
    • Issue date Nov 7, 2023
    • LG Electronics Inc.
    • Sangik Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,746,767
    • Issue date Sep 5, 2023
    • LG Electronics Inc.
    • Sangik Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,725,642
    • Issue date Aug 15, 2023
    • LG Electronics Inc.
    • Geonwoo Kim
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Piston and reciprocating compressor
    • Patent number 11,668,394
    • Issue date Jun 6, 2023
    • Kobe Steel, Ltd.
    • Shunsuke Morinaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,644,025
    • Issue date May 9, 2023
    • LG Electronics Inc.
    • Sangik Son
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Linear compressor
    • Patent number 11,644,030
    • Issue date May 9, 2023
    • LG Electronics Inc.
    • Kichul Choi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Compressor having intermediate passage capable of conveying accumul...
    • Patent number 11,614,087
    • Issue date Mar 28, 2023
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Sheng Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear actuator pumping system
    • Patent number 11,396,868
    • Issue date Jul 26, 2022
    • Schaeffler Technologies AG & Co. KG
    • Andre Vazquez
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Eccentric sleeve for crankshaft of compressor, crankshaft, cranksha...
    • Patent number 11,371,496
    • Issue date Jun 28, 2022
    • ANHUI MEIZHI COMPRESSOR CO., LTD.
    • Xuebao Shen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial piston machine and method of extending neutral position for a...
    • Patent number 11,333,135
    • Issue date May 17, 2022
    • Kanzaki Kokyukoki Mfg. Co., Ltd.
    • Timothy Scott Cornett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubrication system for a piston pump
    • Patent number 11,326,693
    • Issue date May 10, 2022
    • Schlumberger Technology Corporation
    • Michael Raymond Netecke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,319,941
    • Issue date May 3, 2022
    • LG Electronics Inc.
    • Sangsub Jeong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubricating oil supply apparatus and compressor using lubricating o...
    • Patent number 11,242,846
    • Issue date Feb 8, 2022
    • LG Electronics Inc.
    • Young Hwan Kim
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump changeover algorithm for spray system
    • Patent number 11,148,152
    • Issue date Oct 19, 2021
    • Graco Minnesota Inc.
    • David L. Fehr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Linear compressor
    • Patent number 11,143,176
    • Issue date Oct 12, 2021
    • LG Electronics Inc.
    • Wooju Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating machine with cylinder having collector groove
    • Patent number 11,125,223
    • Issue date Sep 21, 2021
    • Volvo Truck Corporation
    • Richard Kellogg Morton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Linear compressor
    • Patent number 11,002,265
    • Issue date May 11, 2021
    • LG Electronics Inc.
    • Wooju Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 10,968,907
    • Issue date Apr 6, 2021
    • LG Electronics Inc. and Industry-Academic Cooperation
    • Kwangwoon Ahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Moveable core-type reciprocating motor and reciprocating compressor...
    • Patent number 10,903,732
    • Issue date Jan 26, 2021
    • LG Electronics Inc.
    • Sangsub Jeong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant compressor and freezing apparatus using same
    • Patent number 10,895,408
    • Issue date Jan 19, 2021
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yoshinori Ishida
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Linear compressor
    • Patent number 10,890,169
    • Issue date Jan 12, 2021
    • LG Electronics Inc.
    • Sangsub Jeong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant compressor and refrigeration device including refrigera...
    • Patent number 10,890,363
    • Issue date Jan 12, 2021
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shingo Oyagi
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Refrigerant compressor and refrigeration device including refrigera...
    • Patent number 10,865,782
    • Issue date Dec 15, 2020
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yoshinori Ishida
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Reciprocating compressor having a gas bearing
    • Patent number 10,837,434
    • Issue date Nov 17, 2020
    • LG Electronics Inc.
    • Kichul Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slide member, refrigerant compressor incorporating slide member, re...
    • Patent number 10,704,541
    • Issue date Jul 7, 2020
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yoshinori Ishida
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    Fluid Sample Pump System
    • Publication number 20240077065
    • Publication date Mar 7, 2024
    • MUSTANG SAMPLING, LLC
    • Timothy L. Querrey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON AND RECIPROCATING COMPRESSOR
    • Publication number 20230034137
    • Publication date Feb 2, 2023
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Shunsuke MORINAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20220090590
    • Publication date Mar 24, 2022
    • LG ELECTRONICS INC.
    • Sangik SON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR AND SEALED SYSTEM FOR AN APPLIANCE
    • Publication number 20210095652
    • Publication date Apr 1, 2021
    • Gregory William Hahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20210095653
    • Publication date Apr 1, 2021
    • LG ELECTRONICS INC.
    • Geonwoo KIM
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20210095655
    • Publication date Apr 1, 2021
    • LG ELECTRONICS INC.
    • Sangsub JEONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ECCENTRIC SLEEVE FOR CRANKSHAFT OF COMPRESSOR, CRANKSHAFT, CRANKSHA...
    • Publication number 20200149521
    • Publication date May 14, 2020
    • ANHUI MEIZHI COMPRESSOR CO., LTD.
    • Xuebao SHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COOLANT COMPRESSOR
    • Publication number 20200141398
    • Publication date May 7, 2020
    • Secop GmbH
    • Alfred Schweighofer
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AXIAL PISTON MACHINE AND METHOD OF EXTENDING NEUTRAL POSITION FOR A...
    • Publication number 20200141395
    • Publication date May 7, 2020
    • KANZAKI KOKYUKOKI MFG. CO., LTD.
    • Timothy Scott CORNETT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20200088181
    • Publication date Mar 19, 2020
    • LG ELECTRONICS INC.
    • Wooju JEON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERANT COMPRESSOR AND FREEZER INCLUDING SAME
    • Publication number 20200056604
    • Publication date Feb 20, 2020
    • Panasonic Intellectual Property Management Co., Ltd.
    • Noboru IIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20200011316
    • Publication date Jan 9, 2020
    • LG ELECTRONICS INC.
    • Wooju JEON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SWASH PLATE COMPRESSOR
    • Publication number 20190331105
    • Publication date Oct 31, 2019
    • Kabushiki Kaisha Toyota Jidoshokki
    • Tetsuya MITSUOKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPRAY SYSTEM PRESSURE DIFFERENTIAL MONITORING
    • Publication number 20190224700
    • Publication date Jul 25, 2019
    • Graco Minnesota Inc.
    • David L. Fehr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLOW RESTRICTOR AND GAS COMPRESSOR
    • Publication number 20190186671
    • Publication date Jun 20, 2019
    • WHIRLPOOL S.A.
    • Henrique Bruggmann Muhle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP CHANGEOVER ALGORITHM FOR SPRAY SYSTEM
    • Publication number 20190118201
    • Publication date Apr 25, 2019
    • Graco Minnesota Inc.
    • David L. Fehr
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    SHOE AND SWASH PLATE COMPRESSOR INCLUDING THE SHOE
    • Publication number 20190113030
    • Publication date Apr 18, 2019
    • TAIHO KOGYO CO., LTD.
    • Masato SHIBATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERANT COMPRESSOR AND FREEZING APPARATUS USING SAME
    • Publication number 20190032971
    • Publication date Jan 31, 2019
    • Panasonic Intellectual Property Management Co., Ltd.
    • Yoshinori ISHIDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COOLANT COMPRESSOR AND REFRIGERATION DEVICE USING SAME
    • Publication number 20180340527
    • Publication date Nov 29, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • Yoshinori ISHIDA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    REFRIGERANT COMPRESSOR AND REFRIGERATING DEVICE INCLUDING SAME
    • Publication number 20180340717
    • Publication date Nov 29, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • Shingo OYAGI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    RECIPROCATING COMPRESSOR HAVING A GAS BEARING
    • Publication number 20180320678
    • Publication date Nov 8, 2018
    • LG Electromics Inc.
    • Kichul CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUIDIC CYLINDER
    • Publication number 20170298931
    • Publication date Oct 19, 2017
    • SMC Corporation
    • Masayuki KUDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING MACHINE WITH CYLINDER HAVING COLLECTOR GROOVE
    • Publication number 20170204842
    • Publication date Jul 20, 2017
    • VOLVO TRUCK CORPORATION
    • Richard Kellogg Morton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH-PRESSURE AIR PUMP
    • Publication number 20160265524
    • Publication date Sep 15, 2016
    • NANTONG GUANGXING PNEUMATIC EQUIPMENT CO., LTD.
    • Xuefeng GAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Check Valve and Method and Apparatus for Extending Life of Check Valve
    • Publication number 20160186736
    • Publication date Jun 30, 2016
    • COMPRESSOR PRODUCTS INTERNATIONAL LLC
    • Curtis Roys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-POINT SEAL LUBRICATION SYSTEM
    • Publication number 20160146201
    • Publication date May 26, 2016
    • Graco Minnesota Inc.
    • Dennis J. Van Keulen
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    HERMETIC COMPRESSOR AND REFRIGERATION APPARATUS INCLUDING THE SAME
    • Publication number 20150330680
    • Publication date Nov 19, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • Kenji KINJO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTACT MEMBER, SLIDE MEMBER, COMPRESSOR COMPRISING CONTACT MEMBER...
    • Publication number 20150300340
    • Publication date Oct 22, 2015
    • PANASONIC CORPORATION
    • Yoshinori ISHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20150226203
    • Publication date Aug 13, 2015
    • GENERAL ELECTRIC COMPANY
    • Gregory William Hahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Comprising Purging and Method for Purging the Compressor...
    • Publication number 20150086388
    • Publication date Mar 26, 2015
    • Hoerbiger Kompressortechnik Holding GmbH
    • Christian Hold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...