Plugs

Industry

  • CPC
  • F24D19/0078
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Patents Grantslast 30 patents

  • Information Patent Grant

    End closure assembly for oil-filled heater

    • Patent number 5,966,498
    • Issue date Oct 12, 1999
    • Lakewood Engineering and Manufacturing Company
    • Stephen C. Kirchner
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Method to manufacture sealing nipples or plugs

    • Patent number 5,179,853
    • Issue date Jan 19, 1993
    • Valter; Lolli
    • Bruno Nicoletti
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1458678

    • Patent number 1,458,678
    • Issue date Jun 12, 1923
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents