TREA

Lubrication

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  • CPC
  • F04B39/02
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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

F04B39/02Lubrication
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fracturing apparatus and control method thereof, fracturing system
    • Patent number 12,320,344
    • Issue date Jun 3, 2025
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Jifeng Zhong
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid sample pump system
    • Patent number 12,320,349
    • Issue date Jun 3, 2025
    • Mustang Sampling, LLC
    • Timothy L. Querrey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System and method for reducing friction, torque and drag in artific...
    • Patent number 12,319,886
    • Issue date Jun 3, 2025
    • AMERICAN WELL TECHNOLOGY HOLDINGS, LLC
    • Scott Rettberg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 12,253,085
    • Issue date Mar 18, 2025
    • Daikin Industries, Ltd.
    • Makoto Kojima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor crankcase oil reclamation system
    • Patent number 12,241,461
    • Issue date Mar 4, 2025
    • Bauer Compressors, Inc.
    • Mark E. Dorsch
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid plate assembly
    • Patent number 12,237,754
    • Issue date Feb 25, 2025
    • Rolls-Royce Corporation
    • Allison McLaughlin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Noise reduction media for a reciprocating compressor
    • Patent number 12,228,119
    • Issue date Feb 18, 2025
    • Haier US Appliance Solutions, Inc.
    • Gregory William Hahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil feeder and linear compressor including the same
    • Patent number 12,180,955
    • Issue date Dec 31, 2024
    • LG Electronics Inc.
    • Sangsub Jeong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fracturing apparatus and control method thereof, fracturing system
    • Patent number 12,180,819
    • Issue date Dec 31, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Jifeng Zhong
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Airend having a lubricant flow valve and controller
    • Patent number 12,173,714
    • Issue date Dec 24, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control method and control device applied to electric fracturing ap...
    • Patent number 12,163,510
    • Issue date Dec 10, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Kaishen Liu
    • G08 - SIGNALLING
  • Information Patent Grant

    Lubricating downhole-type rotating machines
    • Patent number 12,152,466
    • Issue date Nov 26, 2024
    • Upwing Energy, Inc.
    • David Biddick
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Gas compressor
    • Patent number 12,146,481
    • Issue date Nov 19, 2024
    • Hitachi, Ltd.
    • Ryota Iijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic drive for diaphragm compressor
    • Patent number 12,060,875
    • Issue date Aug 13, 2024
    • PDC Machines Inc.
    • Guy Babbitt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 12,049,888
    • Issue date Jul 30, 2024
    • Daikin Industries, Ltd.
    • Yousuke Ohnishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor and home appliance including the same
    • Patent number 12,044,224
    • Issue date Jul 23, 2024
    • Samsung Electronics Co., Ltd.
    • Soodol Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly and method of controlling a pump
    • Patent number 12,025,139
    • Issue date Jul 2, 2024
    • Grundfos Holding a/s
    • Maryam Momeni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and air-conditioner
    • Patent number 12,025,133
    • Issue date Jul 2, 2024
    • HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    • Tsutomu Nozaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Air compressor
    • Patent number 11,982,456
    • Issue date May 14, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kenji Morita
    • 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

    Compression apparatus and filling station comprising such an apparatus
    • Patent number 11,965,624
    • Issue date Apr 23, 2024
    • L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
    • Guillaume Petitpas
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • 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

    Compressor having orbiting scroll supply hole to lubricate thrust s...
    • Patent number 11,953,005
    • Issue date Apr 9, 2024
    • Mitsubishi Electric Corporation
    • Wataru Sasano
    • 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

    Compressor
    • Patent number 11,879,465
    • Issue date Jan 23, 2024
    • Fujitsu General Limited
    • Kenshi Ueda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil control for climate-control system
    • Patent number 11,874,031
    • Issue date Jan 16, 2024
    • Copeland LP
    • Michael A. Saunders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3D-printed oil separation for reciprocating compressors
    • Patent number 11,859,603
    • Issue date Jan 2, 2024
    • Copeland Industrial LP
    • Steven Fels
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR CONTROLLING A FIRST REFERENCE TEMPERATURE IN A DEVICE FO...
    • Publication number 20250146486
    • Publication date May 8, 2025
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Bram Julien DAUWE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND HOME APPLIANCE INCLUDING THE SAME
    • Publication number 20250092867
    • Publication date Mar 20, 2025
    • Samsung Electronics Co., Ltd.
    • Eunho YANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR WITH DUAL OIL PUMP
    • Publication number 20250075692
    • Publication date Mar 6, 2025
    • Samsung Electronics Co., Ltd.
    • Wooju JEON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM
    • Publication number 20250075604
    • Publication date Mar 6, 2025
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Jifeng ZHONG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    OIL SUPPLY DEVICE FOR COMPRESSOR, COMPRESSOR, AND REFRIGERATION EQU...
    • Publication number 20250052235
    • Publication date Feb 13, 2025
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Feifei QI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL SUPPLY DEVICE FOR COMPRESSOR, COMPRESSOR, AND REFRIGERATION EQU...
    • Publication number 20250052236
    • Publication date Feb 13, 2025
    • QINGDAO HAIER REFRIGERATOR CO., LTD
    • Feifei QI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR
    • Publication number 20240418158
    • Publication date Dec 19, 2024
    • LG ELECTRONICS INC.
    • Younghwan KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR MONITORING THE OIL LEVEL OF AN OIL-LUBRICATED COMPRESSOR...
    • Publication number 20240200545
    • Publication date Jun 20, 2024
    • KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH
    • Ehsan AFSHAR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NOISE REDUCTION MEDIA FOR A RECIPROCATING COMPRESSOR
    • Publication number 20240175434
    • Publication date May 30, 2024
    • Haier US Appliance Solutions, Inc.
    • Gregory William Hahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20240102459
    • Publication date Mar 28, 2024
    • LG ELECTRONICS INC.
    • Jinwoong JUNG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSION EMISSIONS EVACUATOR
    • Publication number 20240084765
    • Publication date Mar 14, 2024
    • Estis Compression, LLC
    • Will A. Nelle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    COMPRESSOR CRANKCASE OIL RECLAMATION SYSTEM
    • Publication number 20240068461
    • Publication date Feb 29, 2024
    • Bauer Compressors, Inc.
    • Mark E. Dorsch
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM
    • Publication number 20240035363
    • Publication date Feb 1, 2024
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Jifeng ZHONG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
    • Publication number 20240011489
    • Publication date Jan 11, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PACKAGED COMPRESSOR
    • Publication number 20230332589
    • Publication date Oct 19, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kentaro YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICATING DOWNHOLE-TYPE ROTATING MACHINES
    • Publication number 20230184036
    • Publication date Jun 15, 2023
    • Upwing Energy, Inc.
    • David Biddick
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPRESSOR
    • Publication number 20230160383
    • Publication date May 25, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Yousuke OHNISHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM FOR TRANSPORTING LUBRICATING OIL IN A COMPRESSOR
    • Publication number 20230065792
    • Publication date Mar 2, 2023
    • NIDEC GLOBAL APPLIANCE BRASIL LTDA.
    • Edson Correa MIGUEL
    • 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

    ROTARY COMPRESSOR AND HOME APPLIANCE INCLUDING THE SAME
    • Publication number 20230019752
    • 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

    AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
    • Publication number 20230017093
    • Publication date Jan 19, 2023
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING HERMETIC COMPRESSOR WITH AXIAL FLUX MOTOR
    • Publication number 20230014696
    • Publication date Jan 19, 2023
    • NIDEC GLOBAL APPLIANCE BRASIL LTDA.
    • Adilson Luiz MANKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC REFRIGERANT COMPRESSOR AND REFRIGERATOR-FREEZER USING THE...
    • Publication number 20230003425
    • Publication date Jan 5, 2023
    • Panasonic Appliances Refrigeration Devices Singapore
    • Hirotaka KAWABATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC REFRIGERANT COMPRESSOR AND REFRIGERATOR-FREEZER USING THE...
    • Publication number 20230003426
    • Publication date Jan 5, 2023
    • Panasonic Appliances Refrigeration Devices Singapore
    • Kenta MORI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON COMPRESSOR AND METHOD FOR OPERATING A PISTON COMPRESSOR
    • Publication number 20220412333
    • Publication date Dec 29, 2022
    • Hoerbiger Wien GmbH
    • Matthias Kornfeld
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL METHOD AND CONTROL DEVICE APPLIED TO ELECTRIC FRACTURING AP...
    • Publication number 20220307359
    • Publication date Sep 29, 2022
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Kaishen LIU
    • G08 - SIGNALLING
  • Information Patent Application

    FRACTURING APPARATUS AND CONTROL METHOD THEREOF, FRACTURING SYSTEM
    • Publication number 20220298906
    • Publication date Sep 22, 2022
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Jifeng ZHONG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SCROLL COMPRESSOR HAVING A CENTRIFUGAL OIL PUMP
    • Publication number 20220290671
    • Publication date Sep 15, 2022
    • Danfoss Commercial Compressors
    • Patrice Bonnefoi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM AND METHOD FOR REDUCING FRICTION, TORQUE AND DRAG IN ARTIFIC...
    • Publication number 20220251464
    • Publication date Aug 11, 2022
    • Scott Rettberg
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...