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with current collector gliding or rolling on or along winding

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  • H01F29/06
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HELECTRICITY H01Electric elements H01FMAGNETS INDUCTANCES TRANSFORMERS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES H01F29/00Variable transformers or inductances not covered by group H01F21/00

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H01F29/06with current collector gliding or rolling on or along winding
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Compliant motor driven variable electrical device
    • Patent number 7,339,298
    • Issue date Mar 4, 2008
    • Superior Electric Holding Group LLC.
    • John J. Salinardi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable transformer with slidable contactor
    • Patent number 5,283,728
    • Issue date Feb 1, 1994
    • Edward J. Hobart
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Inductance device, particularly for short waves
    • Patent number 5,175,526
    • Issue date Dec 29, 1992
    • Thomson-CSF
    • Jean-Marc Martin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable inductor
    • Patent number 5,153,548
    • Issue date Oct 6, 1992
    • Alcatel Cable
    • Jean-Luc Hourtane
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Current amplifying device
    • Patent number 4,904,923
    • Issue date Feb 27, 1990
    • Energy Compression Research Corp.
    • Oved S. F. Zucker
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable transformer
    • Patent number 4,794,359
    • Issue date Dec 27, 1988
    • Transpower A/S
    • Ove Hansen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    AC power supply
    • Patent number 4,694,140
    • Issue date Sep 15, 1987
    • William M. Wheeler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Variable autotransformer having an indexed stepping brush
    • Patent number 4,577,146
    • Issue date Mar 18, 1986
    • The Superior Electric Company
    • Richard S. Lenzing
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable transformer with multi-layer coil
    • Patent number 4,560,970
    • Issue date Dec 24, 1985
    • The Superior Electric Company
    • Richard S. Lenzing
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Device for the fine adjustment of the output voltage of multi-phase...
    • Patent number 4,540,934
    • Issue date Sep 10, 1985
    • Schering Aktiengesellschaft
    • Egon Hubel
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical device with improved heat dissipation
    • Patent number 4,496,923
    • Issue date Jan 29, 1985
    • The Superior Electric Company
    • Richard S. Lenzing
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Current amplifying apparatus
    • Patent number 4,431,960
    • Issue date Feb 14, 1984
    • FDX Patents Holding Company, N.V.
    • Oved S. F. Zucker
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable inductor having reduced arcing tendency
    • Patent number 4,415,873
    • Issue date Nov 15, 1983
    • Rockwell International Corporation
    • Jack C. Thornton
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable inductor with carriage for multiple trolley wheels
    • Patent number 4,412,200
    • Issue date Oct 25, 1983
    • Rockwell International Corporation
    • Jack C. Thornton
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable voltage direct current power supply and motor speed control
    • Patent number 4,330,818
    • Issue date May 18, 1982
    • Stanley G. Peschel
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable transformer method and apparatus for preventing short-circ...
    • Patent number 4,189,672
    • Issue date Feb 19, 1980
    • Stanley G. Peschel
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Tap changing voltage regulator which eliminates preventive autotran...
    • Patent number 4,130,789
    • Issue date Dec 19, 1978
    • Allis-Chalmers Corporation
    • Manfred E. Neumann
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coil tuning apparatus
    • Patent number 3,958,196
    • Issue date May 18, 1976
    • Rockwell International Corporation
    • James D. Benzie
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3896370
    • Patent number 3,896,370
    • Issue date Jul 22, 1975
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3887889
    • Patent number 3,887,889
    • Issue date Jun 3, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3831399
    • Patent number 3,831,399
    • Issue date Aug 27, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3828353
    • Patent number 3,828,353
    • Issue date Aug 6, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3710187
    • Patent number 3,710,187
    • Issue date Jan 9, 1973
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3656378
    • Patent number 3,656,378
    • Issue date Apr 18, 1972
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3623279
    • Patent number 3,623,279
    • Issue date Nov 30, 1971
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3614595
    • Patent number 3,614,595
    • Issue date Oct 19, 1971
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3609516
    • Patent number 3,609,516
    • Issue date Sep 28, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3581189
    • Patent number 3,581,189
    • Issue date May 25, 1971
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3549984
    • Patent number 3,549,984
    • Issue date Dec 22, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3537051
    • Patent number 3,537,051
    • Issue date Oct 27, 1970
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents