actuated by muscle power

Patents Grantslast 30 patents

  • Information Patent Grant

    Pumping device

    • Patent number 11,280,330
    • Issue date Mar 22, 2022
    • Lih Yann Industrial Co., Ltd.
    • Po-Lin Liao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Water pump assembly

    • Patent number 10,371,133
    • Issue date Aug 6, 2019
    • Bradley John Schrank
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Well pump system

    • Patent number 10,358,900
    • Issue date Jul 23, 2019
    • Mark Fong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Below motor equalizer of electrical submersible pump and method for...

    • Patent number 10,323,641
    • Issue date Jun 18, 2019
    • Baker Hughes, a GE company, LLC
    • David Tanner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single cylinder treadle pump

    • Patent number 9,334,861
    • Issue date May 10, 2016
    • Brooklyn Bridge to Cambodia, Inc.
    • Ian Charles Edwin Berg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water well pump

    • Patent number 5,222,553
    • Issue date Jun 29, 1993
    • Alvin Temple
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Plastic hand lift pressure pump

    • Patent number 4,880,366
    • Issue date Nov 14, 1989
    • Larry A. Stinson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low horsepower apparatus and technique for raising liquid above the...

    • Patent number 4,834,620
    • Issue date May 30, 1989
    • Aardvark Corporation
    • Gerald T. Sweeney
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump

    • Patent number 4,767,290
    • Issue date Aug 30, 1988
    • Ellis O. Jones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Groundwater monitoring system

    • Patent number 4,669,536
    • Issue date Jun 2, 1987
    • Battelle Development Corporation
    • Kenneth R. Ames
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2793596

    • Patent number 2,793,596
    • Issue date May 28, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2534436

    • Patent number 2,534,436
    • Issue date Dec 19, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2307160

    • Patent number 2,307,160
    • Issue date Jan 5, 1943
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1896445

    • Patent number 1,896,445
    • Issue date Feb 7, 1933
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1871577

    • Patent number 1,871,577
    • Issue date Aug 16, 1932
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1775653

    • Patent number 1,775,653
    • Issue date Sep 16, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1624702

    • Patent number 1,624,702
    • Issue date Apr 12, 1927
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1516500

    • Patent number 1,516,500
    • Issue date Nov 25, 1924
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1459632

    • Patent number 1,459,632
    • Issue date Jun 19, 1923
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1435417

    • Patent number 1,435,417
    • Issue date Nov 14, 1922
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1430994

    • Patent number 1,430,994
    • Issue date Oct 3, 1922
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1412611

    • Patent number 1,412,611
    • Issue date Apr 11, 1922
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1374385

    • Patent number 1,374,385
    • Issue date Apr 12, 1921
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1354557

    • Patent number 1,354,557
    • Issue date Oct 5, 1920
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1346989

    • Patent number 1,346,989
    • Issue date Jul 20, 1920
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1329950

    • Patent number 1,329,950
    • Issue date Feb 3, 1920
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1252718

    • Patent number 1,252,718
    • Issue date Jan 8, 1918
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1224417

    • Patent number 1,224,417
    • Issue date May 1, 1917
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1221645

    • Patent number 1,221,645
    • Issue date Apr 3, 1917
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1210163

    • Patent number 1,210,163
    • Issue date Dec 26, 1916
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMPING DEVICE

    • Publication number 20210048015
    • Publication date Feb 18, 2021
    • LIH YANN INDUSTRIAL CO., LTD.
    • Po-Lin LIAO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    WATER PUMP ASSEMBLY

    • Publication number 20170328358
    • Publication date Nov 16, 2017
    • Bradley John Schrank
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE-CYLINDER TREADLE PUMP

    • Publication number 20140271241
    • Publication date Sep 18, 2014
    • Brooklyn Bridge to Cambodia, Inc.
    • Ian Charles Edwin Berg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WATER PUMP

    • Publication number 20100183464
    • Publication date Jul 22, 2010
    • Stephen Paul Stewart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...