TREA

Dennis L. Hoehne

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

  • Information Patent Grant

    Expansion and check valve combination
    • Patent number 5,524,819
    • Issue date Jun 11, 1996
    • Sporlan Valve Company
    • Joseph H. Heffner
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Dual port valve with stepper motor actuator
    • Patent number 5,364,066
    • Issue date Nov 15, 1994
    • Sporlan Valve Company
    • David C. Dorste
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Expansion valve with inlet strainer
    • Patent number 5,232,015
    • Issue date Aug 3, 1993
    • Sporlan Valve Company
    • Joseph H. Heffner
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Shuttle valve for a refrigeration system
    • Patent number 5,038,827
    • Issue date Aug 13, 1991
    • Sporlan Valve Company
    • Joseph H. Heffner
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Expansion and check valve combination
    • Patent number 4,964,567
    • Issue date Oct 23, 1990
    • Sporlan Valve Company
    • Joseph H. Heffner
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electronically operated expansion valve
    • Patent number 4,911,404
    • Issue date Mar 27, 1990
    • Sporlan Valve Company
    • David C. Dorste
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Expansion and check valve combination
    • Patent number 4,852,364
    • Issue date Aug 1, 1989
    • Sporlan Valve Company
    • G. Thomas Seener
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...