actuated by electric heating means

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrical expansion valve

    • Patent number 6,510,700
    • Issue date Jan 28, 2003
    • Visteon Global Technologies, Inc.
    • Erik Lundberg
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multi-load refrigeration system with multiple parallel evaporators

    • Patent number 6,490,877
    • Issue date Dec 10, 2002
    • Hewlett-Packard Company
    • Cullen E. Bash
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multi-load refrigeration system with multiple parallel evaporators

    • Patent number 6,415,619
    • Issue date Jul 9, 2002
    • Hewlett-Packard Company
    • Cullen E. Bash
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Flow control valve which restrains heat exchange between high tempe...

    • Patent number 6,158,711
    • Issue date Dec 12, 2000
    • SamSung Electronics Co., Ltd.
    • Gi-Myoung Woo
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Low-power thermopneumatic microvalve

    • Patent number 6,129,331
    • Issue date Oct 10, 2000
    • Redwood Microsystems
    • Albert Karl Henning
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Two-way variable-section control valve for a refrigeration circuit

    • Patent number 6,109,588
    • Issue date Aug 29, 2000
    • Microtecnica S.p.A.
    • Valter Cerrano
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerator having degree control means and control method thereof

    • Patent number 5,845,503
    • Issue date Dec 8, 1998
    • SamSung Electronics Co., Ltd.
    • Dong-Kyoo Choi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration system with electrically controlled expansion valve

    • Patent number 5,546,757
    • Issue date Aug 20, 1996
    • General Electric Company
    • Walter Whipple
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electronically driven control valve

    • Patent number 5,118,071
    • Issue date Jun 2, 1992
    • Dr. Huelle Energie, Engineering GmbH
    • Zbigniew R. Huelle
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Actuator means for the control of a refrigeration system expansion...

    • Patent number 4,689,968
    • Issue date Sep 1, 1987
    • Danfoss A/S
    • Robert M. McCulloch
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Valve for liquid injection into a refrigerant evaporator

    • Patent number 4,475,686
    • Issue date Oct 9, 1984
    • Danfoss A/S
    • Zbigniew R. Huelle
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner

    • Patent number 4,375,753
    • Issue date Mar 8, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Kenichiro Imasu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Reversible expansion valve

    • Patent number 4,372,486
    • Issue date Feb 8, 1983
    • Kabushiki Kaisha Saginomiya Seisakusho
    • Soichiro Tomioka
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Valve for refrigeration plant

    • Patent number 4,364,238
    • Issue date Dec 21, 1982
    • Danfoss A/S
    • Zbigniew R. Huelle
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Apparatus for controlling refrigerant feed rate in a refrigeration...

    • Patent number 4,244,182
    • Issue date Jan 13, 1981
    • Emerson Electric Co.
    • Joseph L. Behr
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electrically operated valve with balanced port design

    • Patent number 4,239,177
    • Issue date Dec 16, 1980
    • Emerson Electric Co.
    • Steven E. Williams
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control valve

    • Patent number 4,171,087
    • Issue date Oct 16, 1979
    • Emerson Electric Co.
    • Bernard L. Kunz
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compensated control valve

    • Patent number 4,096,993
    • Issue date Jun 27, 1978
    • Emerson Electric Co.
    • Joseph L. Behr
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control system for maximizing the efficiency of an evaporator coil

    • Patent number 4,067,203
    • Issue date Jan 10, 1978
    • Emerson Electric Co.
    • Joseph L. Behr
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electrically operated expansion valve for refrigeration control

    • Patent number 3,967,781
    • Issue date Jul 6, 1976
    • Emerson Electric Co.
    • Bernard L. Kunz
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3835659

    • Patent number 3,835,659
    • Issue date Sep 17, 1974
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3643459

    • Patent number 3,643,459
    • Issue date Feb 22, 1972
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3538716

    • Patent number 3,538,716
    • Issue date Nov 10, 1970
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3538717

    • Patent number 3,538,717
    • Issue date Nov 10, 1970
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3478534

    • Patent number 3,478,534
    • Issue date Nov 18, 1969
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3464227

    • Patent number 3,464,227
    • Issue date Sep 2, 1969
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3444699

    • Patent number 3,444,699
    • Issue date May 20, 1969
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3405535

    • Patent number 3,405,535
    • Issue date Oct 15, 1968
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3399543

    • Patent number 3,399,543
    • Issue date Sep 3, 1968
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3397552

    • Patent number 3,397,552
    • Issue date Aug 20, 1968
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents