TREA

for converters using only discharge tubes

Follow

Industry

  • CPC
  • H02H7/1209
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H02Electric power H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions

Current Industry

H02H7/1209for converters using only discharge tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3649901
    • Patent number 3,649,901
    • Issue date Mar 14, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3621364
    • Patent number 3,621,364
    • Issue date Nov 16, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3310707
    • Patent number 3,310,707
    • Issue date Mar 21, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3296492
    • Patent number 3,296,492
    • Issue date Jan 3, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3247501
    • Patent number 3,247,501
    • Issue date Apr 19, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3239762
    • Patent number 3,239,762
    • Issue date Mar 8, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3229189
    • Patent number 3,229,189
    • Issue date Jan 11, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3044005
    • Patent number 3,044,005
    • Issue date Jul 10, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3011309
    • Patent number 3,011,309
    • Issue date Dec 5, 1961
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2903637
    • Patent number 2,903,637
    • Issue date Sep 8, 1959
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2857626
    • Patent number 2,857,626
    • Issue date Oct 28, 1958
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2846648
    • Patent number 2,846,648
    • Issue date Aug 5, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2833977
    • Patent number 2,833,977
    • Issue date May 6, 1958
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2820178
    • Patent number 2,820,178
    • Issue date Jan 14, 1958
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2807771
    • Patent number 2,807,771
    • Issue date Sep 24, 1957
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2757330
    • Patent number 2,757,330
    • Issue date Jul 31, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2741527
    • Patent number 2,741,527
    • Issue date Apr 10, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2740083
    • Patent number 2,740,083
    • Issue date Mar 27, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2730638
    • Patent number 2,730,638
    • Issue date Jan 10, 1956
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2693566
    • Patent number 2,693,566
    • Issue date Nov 2, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2684460
    • Patent number 2,684,460
    • Issue date Jul 20, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2680212
    • Patent number 2,680,212
    • Issue date Jun 1, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2678418
    • Patent number 2,678,418
    • Issue date May 11, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2587276
    • Patent number 2,587,276
    • Issue date Feb 26, 1952
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2550460
    • Patent number 2,550,460
    • Issue date Apr 24, 1951
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2534899
    • Patent number 2,534,899
    • Issue date Dec 19, 1950
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2534036
    • Patent number 2,534,036
    • Issue date Dec 12, 1950
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2532108
    • Patent number 2,532,108
    • Issue date Nov 28, 1950
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2510616
    • Patent number 2,510,616
    • Issue date Jun 6, 1950
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2503405
    • Patent number 2,503,405
    • Issue date Apr 11, 1950
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents