for oscillating distribution members

Patents Grantslast 30 patents

  • Information Patent Grant

    Easy change pump plunger

    • Patent number 11,560,888
    • Issue date Jan 24, 2023
    • Halliburton Energy Services, Inc.
    • Justin Lee Hurst
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas operated unloader valve

    • Patent number 11,384,753
    • Issue date Jul 12, 2022
    • DRESSER-RAND COMPANY
    • Joel T. Sanford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump

    • Patent number 11,255,316
    • Issue date Feb 22, 2022
    • John McCullough
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Thick materials pump with paired, preferably parallel feed cylinder...

    • Patent number 5,281,113
    • Issue date Jan 25, 1994
    • Friedrich Wilh, Schwing GmbH
    • Andrej Simnovec
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oscillating-deflector pump

    • Patent number 4,580,954
    • Issue date Apr 8, 1986
    • Bede A. Boyle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-way valves for pumps for conveying heavy flowable materials

    • Patent number 4,472,118
    • Issue date Sep 18, 1984
    • Friedrich Wilh. Schwing GmbH
    • Friedrich Schwing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-cylinder pump for heavy flowable materials, such as concrete

    • Patent number 4,465,441
    • Issue date Aug 14, 1984
    • Friedrich Wilh. Schwing GmbH
    • Friedrich Schwing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3860035

    • Patent number 3,860,035
    • Issue date Jan 14, 1975
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3650641

    • Patent number 3,650,641
    • Issue date Mar 21, 1972
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3612730

    • Patent number 3,612,730
    • Issue date Oct 12, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2589012

    • Patent number 2,589,012
    • Issue date Mar 11, 1952
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2175074

    • Patent number 2,175,074
    • Issue date Oct 3, 1939
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVES

    • Publication number 20210033079
    • Publication date Feb 4, 2021
    • Jacobsen Innovations, Inc.
    • John McCullough
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Easy Change Pump Plunger

    • Publication number 20200362856
    • Publication date Nov 19, 2020
    • Halliburton Energy Services, Inc.
    • Justin Lee HURST
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PUMP

    • Publication number 20190316573
    • Publication date Oct 17, 2019
    • Jacobsen Innovations, Inc.
    • John McCullough
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...