TREA

Walter Kals

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  • Hastings-on-Hudson, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for cooling fluids
    • Patent number 4,531,576
    • Issue date Jul 30, 1985
    • Niagara Blower Co.
    • Walter Kals
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Vacuum producing condenser
    • Patent number 4,519,450
    • Issue date May 28, 1985
    • Niagara Blower Company
    • Walter Kals
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Vacuum producing condenser
    • Patent number 4,517,805
    • Issue date May 21, 1985
    • Niagara Blower Company
    • Walter Kals
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Vacuum producing condenser
    • Patent number 4,509,591
    • Issue date Apr 9, 1985
    • Niagara Blower Company
    • Walter Kals
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Vacuum producing condenser
    • Patent number 4,494,599
    • Issue date Jan 22, 1985
    • Niagara Blower Company
    • Walter Kals
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Apparatus for cooling fluids
    • Patent number 4,273,733
    • Issue date Jun 16, 1981
    • Niagara Blower Company
    • Walter Kals
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Balanced waste heat recovery and dissipation system
    • Patent number 4,240,499
    • Issue date Dec 23, 1980
    • Niagara Blower Company
    • Walter Kals
    • F24 - HEATING RANGES VENTILATING