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Richard H. Dugge

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  • Des Peres, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gravity outlet
    • Patent number 5,507,235
    • Issue date Apr 16, 1996
    • ACF Industries Incorporated
    • Richard H. Dugge
    • B61 - RAILWAYS
  • Information Patent Grant

    Gravity outlet latching mechanism
    • Patent number 5,448,955
    • Issue date Sep 12, 1995
    • ACF Industries
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Gasket for use on a railway hopper car outlet
    • Patent number 5,355,809
    • Issue date Oct 18, 1994
    • ACF Industries Inc.
    • Richard H. Dugge
    • B61 - RAILWAYS
  • Information Patent Grant

    Pneumatic outlet for railcars
    • Patent number 5,238,333
    • Issue date Aug 24, 1993
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pneumatic outlet
    • Patent number 5,236,287
    • Issue date Aug 17, 1993
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    End adapter for railcar pneumatic outlet
    • Patent number 5,232,315
    • Issue date Aug 3, 1993
    • ACE Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Welding method for pneumatic outlet bottom cover assembly
    • Patent number 5,178,317
    • Issue date Jan 12, 1993
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Covered hopper railway car with drop bottom doors and substantially...
    • Patent number 5,063,858
    • Issue date Nov 12, 1991
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B61 - RAILWAYS
  • Information Patent Grant

    Low profile pneumatic outlet
    • Patent number 5,000,358
    • Issue date Mar 19, 1991
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Hatch arrangement for covered hopper cars
    • Patent number 4,944,233
    • Issue date Jul 31, 1990
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Hard gasket for retrofit installation on hopper outlet/hopper gaske...
    • Patent number 4,884,723
    • Issue date Dec 5, 1989
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Internal drainage system for hollow member structural assembly and...
    • Patent number 4,867,073
    • Issue date Sep 19, 1989
    • ACF Industries, Inc.
    • Richard H. Dugge
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gasket for hopper outlet
    • Patent number 4,768,684
    • Issue date Sep 6, 1988
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Unloading outlet assembly
    • Patent number 4,718,795
    • Issue date Jan 12, 1988
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    High volume covered hopper car with loading from below and automati...
    • Patent number 4,677,917
    • Issue date Jul 7, 1987
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Plenum chamber flow restrictor and check valve
    • Patent number 4,618,295
    • Issue date Oct 21, 1986
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    High volume covered hopper car
    • Patent number 4,598,646
    • Issue date Jul 8, 1986
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B61 - RAILWAYS
  • Information Patent Grant

    Fluidizing outlet assembly including internal trough
    • Patent number 4,568,224
    • Issue date Feb 4, 1986
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Automatic unloading outlet assembly
    • Patent number 4,544,306
    • Issue date Oct 1, 1985
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Aerator control arrangement
    • Patent number 4,466,558
    • Issue date Aug 21, 1984
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Permeable membrane seal assembly
    • Patent number 4,428,585
    • Issue date Jan 31, 1984
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B61 - RAILWAYS
  • Information Patent Grant

    Combination vacuum relief valve and pressure relief valve
    • Patent number 4,398,557
    • Issue date Aug 16, 1983
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic outlet valve
    • Patent number 4,382,725
    • Issue date May 10, 1983
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B61 - RAILWAYS
  • Information Patent Grant

    Combination vacuum relief valve and pressure relief valve which are...
    • Patent number 4,323,096
    • Issue date Apr 6, 1982
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic vacuum relief valve for hopper cars
    • Patent number 4,278,107
    • Issue date Jul 14, 1981
    • ACF Industries, Inc.
    • Richard H. Dugge
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    End cap arrangement utilizing large headed bolts
    • Patent number 4,248,552
    • Issue date Feb 3, 1981
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Aerator control arrangement
    • Patent number 4,165,820
    • Issue date Aug 28, 1979
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Sampling assembly for pneumatic outlet
    • Patent number 4,151,935
    • Issue date May 1, 1979
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Control valve for bottom discharge outlet
    • Patent number 4,114,785
    • Issue date Sep 19, 1978
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pneumatic outlet operating mechanism
    • Patent number 4,082,365
    • Issue date Apr 4, 1978
    • ACF Industries, Incorporated
    • Richard H. Dugge
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL