with electric contacts

Patents Grantslast 30 patents

  • Information Patent Grant

    Freezer alarm system and apparatus for refrigeration units

    • Patent number 7,172,134
    • Issue date Feb 6, 2007
    • William Welch
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electronic industrial thermometer

    • Patent number 5,769,542
    • Issue date Jun 23, 1998
    • H. O. Trerice Co.
    • Roy E. Buntin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electronic industrial thermometer

    • Patent number 5,664,885
    • Issue date Sep 9, 1997
    • H.O. Trerice Company
    • Roy E. Buntin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method for obtaining electrical signals correlated with the positio...

    • Patent number 5,224,385
    • Issue date Jul 6, 1993
    • Pier-Luigi Floris
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method and apparatus for obtaining electrical signals correlated wi...

    • Patent number 5,111,700
    • Issue date May 12, 1992
    • Pier-Luigi Floris
    • G08 - SIGNALLING
  • Information Patent Grant

    Method and apparatus for obtaining electrical signals correlated wi...

    • Patent number 4,554,535
    • Issue date Nov 19, 1985
    • Pier-Luigi Floris
    • G08 - SIGNALLING
  • Information Patent Grant

    3892129

    • Patent number 3,892,129
    • Issue date Jul 1, 1975
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3745501

    • Patent number 3,745,501
    • Issue date Jul 10, 1973
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3533289

    • Patent number 3,533,289
    • Issue date Oct 13, 1970
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3511096

    • Patent number 3,511,096
    • Issue date May 12, 1970
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3487639

    • Patent number 3,487,639
    • Issue date Jan 6, 1970
    • G01 - MEASURING TESTING
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    3315055

    • Patent number 3,315,055
    • Issue date Apr 18, 1967
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3237861

    • Patent number 3,237,861
    • Issue date Mar 1, 1966
    • G05 - CONTROLLING REGULATING
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    3220648

    • Patent number 3,220,648
    • Issue date Nov 30, 1965
    • G05 - CONTROLLING REGULATING
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    3196685

    • Patent number 3,196,685
    • Issue date Jul 27, 1965
    • G05 - CONTROLLING REGULATING
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    3196286

    • Patent number 3,196,286
    • Issue date Jul 20, 1965
    • G05 - CONTROLLING REGULATING
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    2993378

    • Patent number 2,993,378
    • Issue date Jul 25, 1961
    • G01 - MEASURING TESTING
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    2929901

    • Patent number 2,929,901
    • Issue date Mar 22, 1960
    • G01 - MEASURING TESTING
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    2852642

    • Patent number 2,852,642
    • Issue date Sep 16, 1958
    • G01 - MEASURING TESTING
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    2812404

    • Patent number 2,812,404
    • Issue date Nov 5, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2796493

    • Patent number 2,796,493
    • Issue date Jun 18, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2776354

    • Patent number 2,776,354
    • Issue date Jan 1, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2751459

    • Patent number 2,751,459
    • Issue date Jun 19, 1956
    • G01 - MEASURING TESTING
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    2748231

    • Patent number 2,748,231
    • Issue date May 29, 1956
    • G01 - MEASURING TESTING
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    2741099

    • Patent number 2,741,099
    • Issue date Apr 10, 1956
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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    2680224

    • Patent number 2,680,224
    • Issue date Jun 1, 1954
    • G05 - CONTROLLING REGULATING
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    2673270

    • Patent number 2,673,270
    • Issue date Mar 23, 1954
    • G01 - MEASURING TESTING
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    2666116

    • Patent number 2,666,116
    • Issue date Jan 12, 1954
    • G01 - MEASURING TESTING
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    2660005

    • Patent number 2,660,005
    • Issue date Nov 24, 1953
    • B60 - VEHICLES IN GENERAL
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    2597272

    • Patent number 2,597,272
    • Issue date May 20, 1952
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents