TREA

Stephen D. Ward

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  • Lewisburg, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air lift pump for wet particulates
    • Patent number 5,727,908
    • Issue date Mar 17, 1998
    • Andritz Sprout-Bauer, Inc.
    • Stephen Daniel Ward
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vessel for steeping of grain
    • Patent number 5,644,971
    • Issue date Jul 8, 1997
    • Andritz Sprout-Bauer, Inc.
    • Stephen Daniel Ward
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Air lift pump for wet particulates
    • Patent number 5,622,458
    • Issue date Apr 22, 1997
    • Andritz Sprout-Bauer, Inc.
    • Stephen D. Ward
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Deep bed filtration system
    • Patent number 5,520,804
    • Issue date May 28, 1996
    • Andritz Sprout-Bauer, Inc.
    • Stephen D. Ward
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Deep bed sand filter
    • Patent number 5,277,829
    • Issue date Jan 11, 1994
    • Andritz Sprout-Bauer, Inc.
    • Stephen D. Ward
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...