with fluid means

Patents Grantslast 30 patents

  • Information Patent Grant

    Decoupled long stroke pump

    • Patent number 11,761,317
    • Issue date Sep 19, 2023
    • Halliburton Energy Services, Inc.
    • Stanley V. Stephenson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump jack system

    • Patent number 11,649,706
    • Issue date May 16, 2023
    • POC HYDRAULIC TECHNOLOGIES, LLC
    • John Van Krevel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic pumping system

    • Patent number 11,608,824
    • Issue date Mar 21, 2023
    • Richard Frederick McNichol
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump jack with counterbalance

    • Patent number 11,299,941
    • Issue date Apr 12, 2022
    • Vertx Artificial Lift Inc.
    • Nicholas Paul Donohoe
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pumping machine

    • Patent number 10,875,751
    • Issue date Dec 29, 2020
    • DIMACO S.A.S. DI MARRALE CARMELO & C.
    • Carmelo Marrale
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Intelligent force reducing double-acting counterweight

    • Patent number 10,202,973
    • Issue date Feb 12, 2019
    • George R Dreher
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Non-beam pumping unit driven by a biaxial motor

    • Patent number 10,184,467
    • Issue date Jan 22, 2019
    • Daqing Dannuo Petroleum Technology Development Co, Ltd.
    • Zhishen Su
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Articulated reciprocating counterweight

    • Patent number 10,107,282
    • Issue date Oct 23, 2018
    • George R Dreher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump jack system and method

    • Patent number 10,047,739
    • Issue date Aug 14, 2018
    • Zedi Canada Inc.
    • Minhao Yin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dynamic, automatic stroke reversal system for reciprocating, linear...

    • Patent number 6,116,025
    • Issue date Sep 12, 2000
    • Joe W. Tucker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double-acting, deep-well fluid extraction pump

    • Patent number 5,797,452
    • Issue date Aug 25, 1998
    • John Kaal Martin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pumping unit with dynamic fluid ballast

    • Patent number 5,735,170
    • Issue date Apr 7, 1998
    • Donald R. Bales
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic-pneumatic stroke reversal system for pumping units, and i...

    • Patent number 5,536,150
    • Issue date Jul 16, 1996
    • Joe W. Tucker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil well pumping unit

    • Patent number 4,512,149
    • Issue date Apr 23, 1985
    • Paul E. Weaver
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pumping unit

    • Patent number 4,268,228
    • Issue date May 19, 1981
    • Delta-X Corporation
    • Fount E. McKee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump jack device

    • Patent number 4,114,375
    • Issue date Sep 19, 1978
    • Canadian Foremost Ltd.
    • Minoru Saruwatari
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Pump jack device

    • Patent number 4,047,384
    • Issue date Sep 13, 1977
    • Canadian Foremost Ltd.
    • Minoru Saruwatari
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Pneumatic beam pumping unit

    • Patent number 3,971,213
    • Issue date Jul 27, 1976
    • Robert K. Kelley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3651635

    • Patent number 3,651,635
    • Issue date Mar 28, 1972
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3538777

    • Patent number 3,538,777
    • Issue date Nov 10, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3187839

    • Patent number 3,187,839
    • Issue date Jun 8, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3159105

    • Patent number 3,159,105
    • Issue date Dec 1, 1964
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3011774

    • Patent number 3,011,774
    • Issue date Dec 5, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3005413

    • Patent number 3,005,413
    • Issue date Oct 24, 1961
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2945399

    • Patent number 2,945,399
    • Issue date Jul 19, 1960
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2871072

    • Patent number 2,871,072
    • Issue date Jan 27, 1959
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2808735

    • Patent number 2,808,735
    • Issue date Oct 8, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2756602

    • Patent number 2,756,602
    • Issue date Jul 31, 1956
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2671356

    • Patent number 2,671,356
    • Issue date Mar 9, 1954
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2493341

    • Patent number 2,493,341
    • Issue date Jan 3, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC PUMPING SYSTEM

    • Publication number 20240044326
    • Publication date Feb 8, 2024
    • Richard Frederick McNichol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DECOUPLED LONG STROKE PUMP

    • Publication number 20210388705
    • Publication date Dec 16, 2021
    • Halliburton Energy Services, Inc.
    • Stanley V. Stephenson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PUMP JACK SYSTEM

    • Publication number 20210032966
    • Publication date Feb 4, 2021
    • POC Hydraulic Technologies, LLC
    • John Van Krevel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Linear Drive Beam Pumping Unit

    • Publication number 20190107105
    • Publication date Apr 11, 2019
    • LUFKIN INDUSTRIES, LLC
    • David Warren Doyle
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Non-beam Pumping Unit Driven by a Biaxial Motor

    • Publication number 20180163715
    • Publication date Jun 14, 2018
    • Purdue Pharma LP
    • Zhishen Su
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP JACK SYSTEM AND METHOD

    • Publication number 20160186537
    • Publication date Jun 30, 2016
    • Zedi Canada Inc.
    • Minhao Yin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...