Closure elements for discharge openings

Industry

  • CPC
  • B61D7/16
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Patents Grantslast 30 patents

  • Information Patent Grant

    Connecting rod type two-level locking device, hopper car bottom doo...

    • Patent number 10,640,133
    • Issue date May 5, 2020
    • CRRC Yangtze Corporation Limited
    • Chunjiang Shi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Door and door operating assembly for a railcar and method of assemb...

    • Patent number 9,862,394
    • Issue date Jan 9, 2018
    • American Railcar Industries, Inc.
    • Glenn Sandheinrich
    • B61 - RAILWAYS
  • Information Patent Grant

    Door sealing assembly for a railcar and method of assembling the same

    • Patent number 9,789,882
    • Issue date Oct 17, 2017
    • American Railcar Industries, Inc.
    • Roger Dalske
    • B61 - RAILWAYS
  • Information Patent Grant

    Hatch cover mounted latch for a railcar

    • Patent number 9,725,100
    • Issue date Aug 8, 2017
    • Aero Transportation Products, Inc.
    • Stephen R. Early
    • B61 - RAILWAYS
  • Information Patent Grant

    Outlet gate assembly for hopper cars

    • Patent number 9,493,172
    • Issue date Nov 15, 2016
    • Salco Products Inc.
    • James M. McLaughlin
    • B61 - RAILWAYS
  • Information Patent Grant

    Rapid discharge railcar door

    • Patent number 6,257,150
    • Issue date Jul 10, 2001
    • ZefTek, Inc.
    • Michael K. Burke
    • B61 - RAILWAYS
  • Information Patent Grant

    Cover system for dual railcar spout outlets

    • Patent number 5,791,530
    • Issue date Aug 11, 1998
    • John Rabon
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Unloading valve for hopper car

    • Patent number 5,375,730
    • Issue date Dec 27, 1994
    • Columbian Chemicals Company
    • Andrew J. Bahr
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • 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

    System and filter for preventing contamination of particulate mater...

    • Patent number 4,902,173
    • Issue date Feb 20, 1990
    • Hendee Enterprises, Inc.
    • Alfred W. Hendee
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Controlled-discharge door for particulate materials and liquids

    • Patent number 4,325,308
    • Issue date Apr 20, 1982
    • Morrison-Knudsen Co., Inc.
    • Frank R. Erfurth
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Locking device for a transport container of an electrically driven,...

    • Patent number 4,281,864
    • Issue date Aug 4, 1981
    • Siemens Aktiengesellschaft
    • Edelbert Wiechert
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pivoted railway hopper car door latching mechanism

    • Patent number 4,248,159
    • Issue date Feb 3, 1981
    • Midland-Ross Corporation
    • James D. Hipp
    • B61 - RAILWAYS
  • Information Patent Grant

    3902434

    • Patent number 3,902,434
    • Issue date Sep 2, 1975
    • B61 - RAILWAYS
  • Information Patent Grant

    3822650

    • Patent number 3,822,650
    • Issue date Jul 9, 1974
    • B61 - RAILWAYS
  • Information Patent Grant

    3788530

    • Patent number 3,788,530
    • Issue date Jan 29, 1974
    • B61 - RAILWAYS
  • Information Patent Grant

    3710729

    • Patent number 3,710,729
    • Issue date Jan 16, 1973
    • B61 - RAILWAYS
  • Information Patent Grant

    3682105

    • Patent number 3,682,105
    • Issue date Aug 8, 1972
    • B61 - RAILWAYS
  • Information Patent Grant

    3656666

    • Patent number 3,656,666
    • Issue date Apr 18, 1972
    • B61 - RAILWAYS
  • Information Patent Grant

    3636887

    • Patent number 3,636,887
    • Issue date Jan 25, 1972
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3628466

    • Patent number 3,628,466
    • Issue date Dec 21, 1971
    • B61 - RAILWAYS
  • Information Patent Grant

    3556469

    • Patent number 3,556,469
    • Issue date Jan 19, 1971
    • B61 - RAILWAYS
  • Information Patent Grant

    3538858

    • Patent number 3,538,858
    • Issue date Nov 10, 1970
    • B61 - RAILWAYS
  • Information Patent Grant

    3457878

    • Patent number 3,457,878
    • Issue date Jul 29, 1969
    • B61 - RAILWAYS
  • Information Patent Grant

    3245592

    • Patent number 3,245,592
    • Issue date Apr 12, 1966
    • B61 - RAILWAYS
  • Information Patent Grant

    3240165

    • Patent number 3,240,165
    • Issue date Mar 15, 1966
    • B61 - RAILWAYS
  • Information Patent Grant

    3240166

    • Patent number 3,240,166
    • Issue date Mar 15, 1966
    • B61 - RAILWAYS
  • Information Patent Grant

    3238898

    • Patent number 3,238,898
    • Issue date Mar 8, 1966
    • B61 - RAILWAYS
  • Information Patent Grant

    3194454

    • Patent number 3,194,454
    • Issue date Jul 13, 1965
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3152824

    • Patent number 3,152,824
    • Issue date Oct 13, 1964
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents