the driving fluid being a gas or vapour

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Patents Grantslast 30 patents

  • Information Patent Grant

    Debris trap for capturing debris flowing in a stream of liquid and...

    • Patent number 11,649,835
    • Issue date May 16, 2023
    • SULZER MANAGEMENT AG
    • Kai Haime
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual priming system for a pump

    • Patent number 11,619,235
    • Issue date Apr 4, 2023
    • Hale Products, Inc.
    • Michael A. Laskaris
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Hemispherical entrainment-type high-flow self-priming centrifugal pump

    • Patent number 11,078,914
    • Issue date Aug 3, 2021
    • JIANGSU UNIVERSITY
    • Weidong Shi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inter-compressor flow divider profiling

    • Patent number 10,781,705
    • Issue date Sep 22, 2020
    • Pratt & Whitney Canada Corp.
    • Jason Nichols
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Arrangement for facilitating the start-up of not self-priming centr...

    • Patent number 4,623,302
    • Issue date Nov 18, 1986
    • Wiederaufbereitungsanlage Karlsruhe Betriebsgesellschaft mbH
    • Horst Zeh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3591316

    • Patent number 3,591,316
    • Issue date Jul 6, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2927597

    • Patent number 2,927,597
    • Issue date Mar 8, 1960
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2812772

    • Patent number 2,812,772
    • Issue date Nov 12, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2801592

    • Patent number 2,801,592
    • Issue date Aug 6, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2795236

    • Patent number 2,795,236
    • Issue date Jun 11, 1957
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2470232

    • Patent number 2,470,232
    • Issue date May 17, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2349029

    • Patent number 2,349,029
    • Issue date May 16, 1944
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2347973

    • Patent number 2,347,973
    • Issue date May 2, 1944
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2330498

    • Patent number 2,330,498
    • Issue date Sep 28, 1943
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2292862

    • Patent number 2,292,862
    • Issue date Aug 11, 1942
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2240057

    • Patent number 2,240,057
    • Issue date Apr 29, 1941
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2235973

    • Patent number 2,235,973
    • Issue date Mar 25, 1941
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2095493

    • Patent number 2,095,493
    • Issue date Oct 12, 1937
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1993267

    • Patent number 1,993,267
    • Issue date Mar 5, 1935
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1933123

    • Patent number 1,933,123
    • Issue date Oct 31, 1933
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1859283

    • Patent number 1,859,283
    • Issue date May 24, 1932
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1777649

    • Patent number 1,777,649
    • Issue date Oct 7, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1764640

    • Patent number 1,764,640
    • Issue date Jun 17, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1760313

    • Patent number 1,760,313
    • Issue date May 27, 1930
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1551362

    • Patent number 1,551,362
    • Issue date Aug 25, 1925
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1182665

    • Patent number 1,182,665
    • Issue date May 9, 1916
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1170163

    • Patent number 1,170,163
    • Issue date Feb 1, 1916
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1063294

    • Patent number 1,063,294
    • Issue date Jun 3, 1913
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1041634

    • Patent number 1,041,634
    • Issue date Oct 15, 1912
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    904449

    • Patent number 904,449
    • Issue date Nov 17, 1908
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents