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John E. Waldrum

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  • Ambler, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Micro orifice nozzle having fan spray pattern
    • Patent number 5,823,436
    • Issue date Oct 20, 1998
    • Waldrum Specialties, Inc.
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Micro-orifice nozzle
    • Patent number 5,518,183
    • Issue date May 21, 1996
    • Waldrum Specialties, Inc.
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Thin invert compositions for spray application
    • Patent number 5,248,086
    • Issue date Sep 28, 1993
    • Waldrum Specialties, Inc.
    • John E. Waldrum
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Dual pump metering dilution apparatus
    • Patent number 5,146,944
    • Issue date Sep 15, 1992
    • DowElanco
    • John E. Waldrum
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Spray nozzles
    • Patent number 5,110,048
    • Issue date May 5, 1992
    • DowElanco
    • John E. Waldrum
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Reusable carrier for containers
    • Patent number 5,106,005
    • Issue date Apr 21, 1992
    • Dow Elanco
    • John E. Waldrum
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Volume controllable applicator
    • Patent number 5,031,839
    • Issue date Jul 16, 1991
    • DowElanco
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Manual spray apparatus
    • Patent number 5,020,725
    • Issue date Jun 4, 1991
    • John E. Waldrum
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Low cost applicator and method of use
    • Patent number 4,997,129
    • Issue date Mar 5, 1991
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Low cost applicator and method of use
    • Patent number 4,953,790
    • Issue date Sep 4, 1990
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Centrifugal applicating device
    • Patent number 4,892,255
    • Issue date Jan 9, 1990
    • John E. Waldrum
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Aspirator tray
    • Patent number 4,844,345
    • Issue date Jul 4, 1989
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Ground spray applicator
    • Patent number 4,760,963
    • Issue date Aug 2, 1988
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Pesticide spraying device
    • Patent number 4,662,565
    • Issue date May 5, 1987
    • The Dow Chemical Company
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Self-cleaning nozzle
    • Patent number 4,454,988
    • Issue date Jun 19, 1984
    • Union Carbide Corporation
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Liquid sprayer
    • Patent number 4,231,520
    • Issue date Nov 4, 1980
    • John E. Waldrum
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Can washing and coating system
    • Patent number 4,051,805
    • Issue date Oct 4, 1977
    • Amchem Products, Inc.
    • John E. Waldrum
    • B08 - CLEANING
  • Information Patent Grant

    Apparatus for hydraulic planting
    • Patent number 3,968,933
    • Issue date Jul 13, 1976
    • Amchem Products, Inc.
    • John E. Waldrum
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Variable spray apparatus and method
    • Patent number 3,931,930
    • Issue date Jan 13, 1976
    • Amchem Products, Inc.
    • John E. Waldrum
    • A62 - LIFE-SAVING FIRE-FIGHTING