the periphery of the flexible member being not fixed to the pump-casing, but acting as a valve

Patents Grantslast 30 patents

  • Information Patent Grant

    Linear peristaltic metering pump

    • Patent number 11,773,834
    • Issue date Oct 3, 2023
    • HUNAN ZENITHSUN TECHNOLOGY CO., LTD
    • Zhen Liu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Electro-mechanical pump for negative-pressure treatment

    • Patent number 11,752,252
    • Issue date Sep 12, 2023
    • KCI Licensing, Inc.
    • Larry Tab Randolph
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Undulating-membrane fluid circulator

    • Patent number 11,512,689
    • Issue date Nov 29, 2022
    • CorWave SA
    • Jean-Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Disc pump with perimeter valve configuration

    • Patent number 9,334,858
    • Issue date May 10, 2016
    • KCI Licensing, Inc.
    • Christopher Brian Locke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rocking piston type compressor

    • Patent number 9,328,724
    • Issue date May 3, 2016
    • Max Co., Ltd.
    • Masatoshi Asai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm circulator

    • Patent number 9,080,564
    • Issue date Jul 14, 2015
    • AMS R&D SAS
    • Jean Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm pump with a crinkle diaphragm of improved efficiency

    • Patent number 8,714,944
    • Issue date May 6, 2014
    • AMS R&D SAS
    • Jean-Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double disc pump with fixed housing block

    • Patent number 7,559,753
    • Issue date Jul 14, 2009
    • Penn Valley Pump Company, Inc.
    • Leslie J. Burrage
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vibratory pump improvement

    • Patent number 6,695,594
    • Issue date Feb 24, 2004
    • Industria de Motores Anauger LTDA
    • Aurélio Antonio Pastori
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vibrating membrane fluid circulator

    • Patent number 6,361,284
    • Issue date Mar 26, 2002
    • Jean-Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vibratory pump apparatus

    • Patent number 6,315,533
    • Issue date Nov 13, 2001
    • Grigori Lishanski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual disc pump

    • Patent number 6,315,532
    • Issue date Nov 13, 2001
    • Alfa Laval Pumps Ltd.
    • Derek Appleby
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Small-sized pump

    • Patent number 4,801,249
    • Issue date Jan 31, 1989
    • Ohken Seiko Co., Ltd.
    • Goro Kakizawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus for impelling liquid

    • Patent number 4,732,547
    • Issue date Mar 22, 1988
    • Peter A. Shelton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Constrained wave pump

    • Patent number 4,488,854
    • Issue date Dec 18, 1984
    • Richard B. Miller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pump

    • Patent number 4,473,339
    • Issue date Sep 25, 1984
    • Cecil Hughes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Trigger actuated pump

    • Patent number 4,199,083
    • Issue date Apr 22, 1980
    • Ethyl Corporation
    • Lewis C. LoMaglio
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Trigger actuated pump

    • Patent number 4,101,057
    • Issue date Jul 18, 1978
    • Ethyl Corporation
    • Lewis C. LoMaglio
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3749290

    • Patent number 3,749,290
    • Issue date Jul 31, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3424096

    • Patent number 3,424,096
    • Issue date Jan 28, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3409184

    • Patent number 3,409,184
    • Issue date Nov 5, 1968
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3312173

    • Patent number 3,312,173
    • Issue date Apr 4, 1967
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3075471

    • Patent number 3,075,471
    • Issue date Jan 29, 1963
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3062415

    • Patent number 3,062,415
    • Issue date Nov 6, 1962
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3013502

    • Patent number 3,013,502
    • Issue date Dec 19, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2934024

    • Patent number 2,934,024
    • Issue date Apr 26, 1960
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2463458

    • Patent number 2,463,458
    • Issue date Mar 1, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2273896

    • Patent number 2,273,896
    • Issue date Feb 24, 1942
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROLLED CRINKLE DIAPHRAGM PUMP

    • Publication number 20200386219
    • Publication date Dec 10, 2020
    • AMS R&D SAS
    • Guy DELAISSE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electro-Mechanical Pump For Negative-Pressure Treatment

    • Publication number 20200069476
    • Publication date Mar 5, 2020
    • KCI Licensing, Inc.
    • Larry Tab RANDOLPH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    DISC PUMP WITH PERIMETER VALVE CONFIGURATION

    • Publication number 20130280105
    • Publication date Oct 24, 2013
    • Christopher Brian Locke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Diaphragm Circulator

    • Publication number 20130078122
    • Publication date Mar 28, 2013
    • AMS R&D SAS
    • Jean Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROCKING PISTON TYPE COMPRESSOR

    • Publication number 20120020821
    • Publication date Jan 26, 2012
    • MAX Co., LTD.
    • Masatoshi ASAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRINKLE DIAPHRAGM PUMP

    • Publication number 20110176945
    • Publication date Jul 21, 2011
    • AMS R&D SAS
    • Jean-Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIAPHRAGM PUMP WITH A CRINKLE DIAPHRAGM OF IMPROVED EFFICIENCY

    • Publication number 20110176946
    • Publication date Jul 21, 2011
    • AMS R&D SAS
    • Jean-Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Diaphragm circulator

    • Publication number 20080232987
    • Publication date Sep 25, 2008
    • S.A.M. AMSTAR
    • Jean-Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Double disc pump with fixed housing block

    • Publication number 20060073025
    • Publication date Apr 6, 2006
    • Penn Valley Pump Company, Inc.
    • Leslie J. Burrage
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid circulator with rigid diaphragm

    • Publication number 20050265876
    • Publication date Dec 1, 2005
    • Mathieu Debauchez
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vibrating membrane fluid circulator

    • Publication number 20010001278
    • Publication date May 17, 2001
    • Jean-Baptiste Drevet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...