MCDOWELL-WELLMAN ENGINEERING COMPANY

Organization

  • CLEVELAND, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing pelletized fixed sulfur fuel

    • Patent number 4,111,755
    • Issue date Sep 5, 1978
    • McDowell-Wellman Engineering Company
    • Thomas E. Ban
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Screw feeder for injection molding machine

    • Patent number 4,044,925
    • Issue date Aug 30, 1977
    • McDowell-Wellman Engineering Co.
    • James R. Mercer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for retorting oil shale

    • Patent number 4,039,427
    • Issue date Aug 2, 1977
    • McDowell-Wellman Engineering Company
    • Thomas E. Ban
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Car dumper scale

    • Patent number 4,024,962
    • Issue date May 24, 1977
    • The McDowell-Wellman Engineering Company
    • Edward E. Cheek
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Injection molding apparatus

    • Patent number 4,017,242
    • Issue date Apr 12, 1977
    • The McDowell-Wellman Engineering Company
    • James R. Mercer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Circular traveling grate sintering machine

    • Patent number 4,013,517
    • Issue date Mar 22, 1977
    • McDowell-Wellman Engineering Company
    • Thomas E. Ban
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Train holding device

    • Patent number 4,006,691
    • Issue date Feb 8, 1977
    • McDowell-Wellman Engineering Company
    • Ivan R. Kacir
    • B61 - RAILWAYS
  • Information Patent Grant

    Blending and molding means

    • Patent number 3,989,434
    • Issue date Nov 2, 1976
    • McDowell-Wellman Engineering Company
    • James R. Mercer
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Multiple coupler engaging head for railroad car positioner

    • Patent number 3,942,451
    • Issue date Mar 9, 1976
    • McDowell-Wellman Engineering Company
    • Francis R. Modliszewski
    • B61 - RAILWAYS
  • Information Patent Grant

    Process for preparing a smelter furnace charge composition

    • Patent number 3,938,987
    • Issue date Feb 17, 1976
    • McDowell-Wellman Engineering Company
    • Thomas E. Ban
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73083468 - ECON-O-FLOW

    • Serial number 73083468
    • Registration number 1053532
    • Filing date Apr 12, 1976
    • MCDOWELL-WELLMAN ENGINEERING COMPANY
    • 7 - Machines and machine tools
  • Information Trademark

    73052429 - VULCAMATIC

    • Serial number 73052429
    • Registration number 1033665
    • Filing date May 15, 1975
    • MCDOWELL-WELLMAN ENGINEERING COMPANY
    • 7 - Machines and machine tools
  • Information Trademark

    73016238 - WELLMAN-GALUSHA

    • Serial number 73016238
    • Registration number 1063240
    • Filing date Mar 18, 1974
    • MCDOWELL-WELLMAN ENGINEERING COMPANY
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    72422457 - LEWIS

    • Serial number 72422457
    • Registration number 968595
    • Filing date Apr 26, 1972
    • MCDOWELL-WELLMAN ENGINEERING COMPANY
    • 7 - Machines and machine tools
  • Information Trademark

    72379084 - STAKRAKE

    • Serial number 72379084
    • Registration number 967449
    • Filing date Dec 18, 1970
    • MCDOWELL-WELLMAN ENGINEERING COMPANY
    • 7 - Machines and machine tools
  • Information Trademark

    72268517 - D-LM

    • Serial number 72268517
    • Registration number 853401
    • Filing date Apr 6, 1967
    • MCDOWELL-WELLMAN ENGINEERING COMPANY
    • 37 - Building construction