ROLLS-ROYCE ENERGY SYSTEMS INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 270
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9683446 Gas turbine engine shrouded bladeDec 31, 13Jun 20, 17[F01D]
5791145 Natural gas engine control systemOct 25, 96Aug 11, 98[F02B]
5622053 Turbocharged natural gas engine control systemSep 30, 94Apr 22, 97[F02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4708094 Fuel control system for dual fuel enginesExpiredDec 15, 86Nov 24, 87[F02B]

Top Inventors for This Owner

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