with mechanical or fluidic indication

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable air flow meter fabricated using 3D printer

    • Patent number 10,746,576
    • Issue date Aug 18, 2020
    • Seoul Industry Engineering Co., Ltd.
    • Sang Taek Oh
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Flow meter for intravenous liquids

    • Patent number 10,525,198
    • Issue date Jan 7, 2020
    • Jonathan Charles Devlin West
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Vortex flowmeter and associated fiber duct

    • Patent number 8,910,528
    • Issue date Dec 16, 2014
    • KROHNE Messtechnik GmbH
    • Wilhelm Lübbers
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Apparatus and method for measuring fluid flow to a suckling baby

    • Patent number 7,896,835
    • Issue date Mar 1, 2011
    • Kaizen International Technologies Biotech, Inc. LLP
    • Haim Emil Dahan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Flow measuring system with backflow preventing means

    • Patent number 4,715,232
    • Issue date Dec 29, 1987
    • Carl F. Buettner
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Flow indicator for positive displacement pump

    • Patent number 4,257,748
    • Issue date Mar 24, 1981
    • Venus Products, Inc.
    • Frank E. Ives
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3838599

    • Patent number 3,838,599
    • Issue date Oct 1, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3831448

    • Patent number 3,831,448
    • Issue date Aug 27, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3802265

    • Patent number 3,802,265
    • Issue date Apr 9, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2686429

    • Patent number 2,686,429
    • Issue date Aug 17, 1954
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2556803

    • Patent number 2,556,803
    • Issue date Jun 12, 1951
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2509644

    • Patent number 2,509,644
    • Issue date May 30, 1950
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2506351

    • Patent number 2,506,351
    • Issue date May 2, 1950
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2451425

    • Patent number 2,451,425
    • Issue date Oct 12, 1948
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2381948

    • Patent number 2,381,948
    • Issue date Aug 14, 1945
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2344512

    • Patent number 2,344,512
    • Issue date Mar 21, 1944
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2335938

    • Patent number 2,335,938
    • Issue date Dec 7, 1943
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2332567

    • Patent number 2,332,567
    • Issue date Oct 26, 1943
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2311853

    • Patent number 2,311,853
    • Issue date Feb 23, 1943
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2295485

    • Patent number 2,295,485
    • Issue date Sep 8, 1942
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2217643

    • Patent number 2,217,643
    • Issue date Oct 8, 1940
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2123978

    • Patent number 2,123,978
    • Issue date Jul 19, 1938
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2111679

    • Patent number 2,111,679
    • Issue date Mar 22, 1938
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2105127

    • Patent number 2,105,127
    • Issue date Jan 11, 1938
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2096035

    • Patent number 2,096,035
    • Issue date Oct 19, 1937
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2072220

    • Patent number 2,072,220
    • Issue date Mar 2, 1937
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2057767

    • Patent number 2,057,767
    • Issue date Oct 20, 1936
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2056177

    • Patent number 2,056,177
    • Issue date Oct 6, 1936
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2035472

    • Patent number 2,035,472
    • Issue date Mar 31, 1936
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2024059

    • Patent number 2,024,059
    • Issue date Dec 10, 1935
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents