with special shape of the actuating element

Patents Grantslast 30 patents

  • Information Patent Grant

    High pressure pump

    • Patent number 10,968,900
    • Issue date Apr 6, 2021
    • Carlisle Fluid Technologies, Inc.
    • Alan Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel metering pump

    • Patent number 7,384,248
    • Issue date Jun 10, 2008
    • Jansen's Aircraft Systems Controls, Inc.
    • Harvey B. Jansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Arrangement at a piston engine and method of controlling the pistons

    • Patent number 7,004,121
    • Issue date Feb 28, 2006
    • National Oilwell Norway AS
    • Magne Mathias Moe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic pump unit

    • Patent number 6,764,285
    • Issue date Jul 20, 2004
    • Robert Bosch GmbH
    • Andreas Kellner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Jet engine fuel delivery system with non-pulsating diaphragm fuel m...

    • Patent number 6,371,740
    • Issue date Apr 16, 2002
    • Jansen's Aircraft Systems Controls, Inc.
    • Harvey B. Jansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulseless, reversible precision piston-array pump

    • Patent number 6,079,313
    • Issue date Jun 27, 2000
    • FIA Solutions, Inc.
    • Duane K. Wolcott
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for merging and/or ratio blending aliquant

    • Patent number 5,988,987
    • Issue date Nov 23, 1999
    • FIA Solutions, Inc.
    • Duane K. Wolcott
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Improved method for injecting treatment chemicals using a constant...

    • Patent number 5,195,879
    • Issue date Mar 23, 1993
    • Nalco Chemical Company
    • D. Dwaine Reese
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump

    • Patent number 5,163,822
    • Issue date Nov 17, 1992
    • Kitronic Gesellschaft fur Mikrotechnik in der Medizin mbH
    • Harm Koelln
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulseless piston pump

    • Patent number 5,145,339
    • Issue date Sep 8, 1992
    • Graco Inc.
    • Kenneth E. Lehrke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double acting pump

    • Patent number 5,076,769
    • Issue date Dec 31, 1991
    • The Dow Chemical Company
    • Jian-Dong Shao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for injecting treatment chemicals using a constant flow posi...

    • Patent number 5,066,199
    • Issue date Nov 19, 1991
    • Nalco Chemical Company
    • D. Dwaine Reese
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Process for controlling a pump to account for compressibility of li...

    • Patent number 4,797,834
    • Issue date Jan 10, 1989
    • Ronald E. Honganen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Driving means of the triple-cylinder plunger pump

    • Patent number 4,790,732
    • Issue date Dec 13, 1988
    • Yoshichi Yamatani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Constant suction pump for high performance liquid chromatography

    • Patent number 4,753,581
    • Issue date Jun 28, 1988
    • Milton Roy Company
    • Benjamin Hiscock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Constant volume pulsation-free reciprocating pump

    • Patent number 4,687,426
    • Issue date Aug 18, 1987
    • Fuji Techno Kogyo Kabushiki Kaisha
    • Hiroichi Yoshimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement pump for low-pulsation delivery of a liquid

    • Patent number 4,600,365
    • Issue date Jul 15, 1986
    • Gynkotek Gesellschaft fur den Bau wissenschaftlich technischer Gerate m.b.H.
    • Hansjurgen Riggenmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Programmable solvent delivery system and process

    • Patent number 4,595,495
    • Issue date Jun 17, 1986
    • Eldex Laboratories, Inc.
    • Reuben Yotam
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Constant flow positive displacement pump

    • Patent number 4,556,371
    • Issue date Dec 3, 1985
    • FMC Corporation
    • Steven W. Post
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual-piston reciprocating pump assembly

    • Patent number 4,453,898
    • Issue date Jun 12, 1984
    • The Perkin-Elmer Corporation
    • George T. Leka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating pump for the pulsation-free delivery of a liquid

    • Patent number 4,359,312
    • Issue date Nov 16, 1982
    • Zumtobel KG
    • Herbert Funke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual-piston reciprocating pump assembly

    • Patent number 4,260,342
    • Issue date Apr 7, 1981
    • The Perkin-Elmer Corporation
    • George T. Leka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual-piston reciprocating pump assembly

    • Patent number 4,173,437
    • Issue date Nov 6, 1979
    • The Perkin-Elmer Corporation
    • George T. Leka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Non-pulsing apparatus

    • Patent number 4,028,018
    • Issue date Jun 7, 1977
    • Paterson Candy International Limited
    • Alan Keith Audsley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3816029

    • Patent number 3,816,029
    • Issue date Jun 11, 1974
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3704080

    • Patent number 3,704,080
    • Issue date Nov 28, 1972
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3273512

    • Patent number 3,273,512
    • Issue date Sep 20, 1966
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3230887

    • Patent number 3,230,887
    • Issue date Jan 25, 1966
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2620734

    • Patent number 2,620,734
    • Issue date Dec 9, 1952
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2447467

    • Patent number 2,447,467
    • Issue date Aug 17, 1948
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH PRESSURE PUMP

    • Publication number 20210190049
    • Publication date Jun 24, 2021
    • Carlisle Fluid Technologies, Inc.
    • Alan Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel metering pump

    • Publication number 20050013706
    • Publication date Jan 20, 2005
    • Harvey B. Jansen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Arrangement at a piston engine and method of controlling the pistons

    • Publication number 20040011193
    • Publication date Jan 22, 2004
    • Magne Mathias Moe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...