Induction relays

Industry

  • CPC
  • H01H53/10
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Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for fluid level sensing and control

    • Patent number 9,920,765
    • Issue date Mar 20, 2018
    • Charles Wayne Zimmerman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3673446

    • Patent number 3,673,446
    • Issue date Jun 27, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3361935

    • Patent number 3,361,935
    • Issue date Jan 2, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3343039

    • Patent number 3,343,039
    • Issue date Sep 19, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3321670

    • Patent number 3,321,670
    • Issue date May 23, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3287554

    • Patent number 3,287,554
    • Issue date Nov 22, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3252053

    • Patent number 3,252,053
    • Issue date May 17, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3172012

    • Patent number 3,172,012
    • Issue date Mar 2, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3109962

    • Patent number 3,109,962
    • Issue date Nov 5, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3105921

    • Patent number 3,105,921
    • Issue date Oct 1, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3092758

    • Patent number 3,092,758
    • Issue date Jun 4, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3047779

    • Patent number 3,047,779
    • Issue date Jul 31, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3036248

    • Patent number 3,036,248
    • Issue date May 22, 1962
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3036243

    • Patent number 3,036,243
    • Issue date May 22, 1962
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2985801

    • Patent number 2,985,801
    • Issue date May 23, 1961
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2949515

    • Patent number 2,949,515
    • Issue date Aug 16, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2929003

    • Patent number 2,929,003
    • Issue date Mar 15, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2866926

    • Patent number 2,866,926
    • Issue date Dec 30, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2858484

    • Patent number 2,858,484
    • Issue date Oct 28, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2849680

    • Patent number 2,849,680
    • Issue date Aug 26, 1958
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2849564

    • Patent number 2,849,564
    • Issue date Aug 26, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2846620

    • Patent number 2,846,620
    • Issue date Aug 5, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2831165

    • Patent number 2,831,165
    • Issue date Apr 15, 1958
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2827530

    • Patent number 2,827,530
    • Issue date Mar 18, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2819430

    • Patent number 2,819,430
    • Issue date Jan 7, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2793266

    • Patent number 2,793,266
    • Issue date May 21, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2792531

    • Patent number 2,792,531
    • Issue date May 14, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2761999

    • Patent number 2,761,999
    • Issue date Sep 4, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2752539

    • Patent number 2,752,539
    • Issue date Jun 26, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2697187

    • Patent number 2,697,187
    • Issue date Dec 14, 1954
    • H01 - BASIC ELECTRIC ELEMENTS