TREA

Harold T. Lange

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  • St. Louis, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermostatic expansion valve with bi-directional flow
    • Patent number 4,978,062
    • Issue date Dec 18, 1990
    • Sporlan Valve Company
    • Harold T. Lange
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Bidirectional flow filter-drier
    • Patent number 4,320,000
    • Issue date Mar 16, 1982
    • Sporlan Valve Company
    • Harold T. Lange
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Filter-drier for heat pump systems
    • Patent number 4,227,901
    • Issue date Oct 14, 1980
    • Sporlan Valve Company
    • Harold T. Lange
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Bidirectional flow filter-drier assembly
    • Patent number 4,104,044
    • Issue date Aug 1, 1978
    • Sporlan Valve Company
    • Harold T. Lange
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Bidirectional flow filter-drier
    • Patent number 4,029,580
    • Issue date Jun 14, 1977
    • Sporlan Valve Company
    • Harold T. Lange
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...