Brian E. SIMMERS

Person

  • Derby, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable gear ratio electrical machine

    • Patent number 10,637,326
    • Issue date Apr 28, 2020
    • Rolls-Royce PLC
    • Ellis F H Chong
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fault current limiter

    • Patent number 8,037,695
    • Issue date Oct 18, 2011
    • Rolls-Royce PLC
    • Philip M Sargent
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Fault current limiter

    • Patent number 7,444,826
    • Issue date Nov 4, 2008
    • Rolls-Royce PLC
    • Philip M Sargent
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method of predicting condition during operation of an electrical ma...

    • Patent number 7,324,008
    • Issue date Jan 29, 2008
    • Rolls-Royce PLC
    • Bradley S Payne
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    VARIABLE GEAR RATIO ELECTRICAL MACHINE

    • Publication number 20170141648
    • Publication date May 18, 2017
    • Rolls-Royce plc
    • Ellis F H CHONG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fault current limiter

    • Publication number 20090086386
    • Publication date Apr 2, 2009
    • ROLLS-ROYCE PLC
    • Philip M. Sargent
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Fault current limiter

    • Publication number 20060072254
    • Publication date Apr 6, 2006
    • Philip M. Sargent
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Condition monitoring

    • Publication number 20050046414
    • Publication date Mar 3, 2005
    • Bradley S. Payne
    • G05 - CONTROLLING REGULATING