In a two pipe system

Industry

  • CPC
  • F24D19/0009
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plumbing and heating pipe system for water supply purposes, made ei...

    • Patent number 5,341,843
    • Issue date Aug 30, 1994
    • Rafeld Kunststofftechnik GmbH u. Co. KG.
    • Karl Rafeld
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plumbing and heating pipe system for water supply purposes, made ei...

    • Patent number 5,286,001
    • Issue date Feb 15, 1994
    • Karl Rafeld KG Spritzgusswerk, Elektronik und Formenbau
    • Karl Rafeld
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Modular heat installation for premises with water as a heat transmi...

    • Patent number 5,111,875
    • Issue date May 12, 1992
    • Curt Hammarstedt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Radiator valve

    • Patent number 4,611,786
    • Issue date Sep 16, 1986
    • Danfoss A/S
    • Hans Jorgensen
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3901438

    • Patent number 3,901,438
    • Issue date Aug 26, 1975
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2808994

    • Patent number 2,808,994
    • Issue date Oct 8, 1957
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1811406

    • Patent number 1,811,406
    • Issue date Jun 23, 1931
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1606109

    • Patent number 1,606,109
    • Issue date Nov 9, 1926
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents