using discharge tubes in parallel with the load as final control devices

Patents Grantslast 30 patents

  • Information Patent Grant

    Device and method for rapid voltage ramp-up to regulator target vol...

    • Patent number 7,898,234
    • Issue date Mar 1, 2011
    • Dell Products, L.P.
    • Steven J. Lash
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Apparatus and method for controlling voltage regulator and power su...

    • Patent number 6,856,525
    • Issue date Feb 15, 2005
    • NEC Corporation
    • Mark Wallis
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    High voltage control

    • Patent number 4,710,849
    • Issue date Dec 1, 1987
    • Imperial Chemical Industries PLC
    • Alan J. Norris
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3855519

    • Patent number 3,855,519
    • Issue date Dec 17, 1974
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3361954

    • Patent number 3,361,954
    • Issue date Jan 2, 1968
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3278832

    • Patent number 3,278,832
    • Issue date Oct 11, 1966
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3176216

    • Patent number 3,176,216
    • Issue date Mar 30, 1965
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2892145

    • Patent number 2,892,145
    • Issue date Jun 23, 1959
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2869068

    • Patent number 2,869,068
    • Issue date Jan 13, 1959
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2858498

    • Patent number 2,858,498
    • Issue date Oct 28, 1958
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2847638

    • Patent number 2,847,638
    • Issue date Aug 12, 1958
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2830252

    • Patent number 2,830,252
    • Issue date Apr 8, 1958
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2826734

    • Patent number 2,826,734
    • Issue date Mar 11, 1958
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2820179

    • Patent number 2,820,179
    • Issue date Jan 14, 1958
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2814772

    • Patent number 2,814,772
    • Issue date Nov 26, 1957
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2794939

    • Patent number 2,794,939
    • Issue date Jun 4, 1957
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2742576

    • Patent number 2,742,576
    • Issue date Apr 17, 1956
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2734162

    • Patent number 2,734,162
    • Issue date Feb 7, 1956
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2727204

    • Patent number 2,727,204
    • Issue date Dec 13, 1955
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2689886

    • Patent number 2,689,886
    • Issue date Sep 21, 1954
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2550462

    • Patent number 2,550,462
    • Issue date Apr 24, 1951
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2525698

    • Patent number 2,525,698
    • Issue date Oct 10, 1950
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2504908

    • Patent number 2,504,908
    • Issue date Apr 18, 1950
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2475613

    • Patent number 2,475,613
    • Issue date Jul 12, 1949
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2468087

    • Patent number 2,468,087
    • Issue date Apr 26, 1949
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2440284

    • Patent number 2,440,284
    • Issue date Apr 27, 1948
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2434939

    • Patent number 2,434,939
    • Issue date Jan 27, 1948
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2409151

    • Patent number 2,409,151
    • Issue date Oct 8, 1946
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2394891

    • Patent number 2,394,891
    • Issue date Feb 12, 1946
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2391801

    • Patent number 2,391,801
    • Issue date Dec 25, 1945
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents