RICARDO CONSULTING ENGINEERS LIMITED

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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 369

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6101991 Crankcase scavenged two-stroke enginesSep 08, 99Aug 15, 00[F02B]
5379743 Spark ignited internal combustion enginesOct 22, 93Jan 10, 95[F02B]
RE30426 I.C. EnginesFeb 28, 79Nov 04, 80[F02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7506536 Method of deriving engine cylinder mechanical top dead centreExpiredOct 20, 03Mar 24, 09[G01M]
7086377 Dual mode fuel injectorExpiredJul 30, 01Aug 08, 06[F02M]
6886504 Engine of reciprocating piston typeExpiredOct 03, 02May 03, 05[F01P]
6742259 Assembling bearing housings for rotary shaftsExpiredDec 20, 01Jun 01, 04[F16C]
2002/0024,183 GasketsAbandonedAug 23, 01Feb 28, 02[F02F]
6216662 Direct injection gasoline enginesExpiredSep 23, 99Apr 17, 01[F02B]
6035813 Engines of reciprocating piston typeExpiredOct 22, 98Mar 14, 00[F02F]
5934158 Differential drive mechanismsExpiredApr 11, 97Aug 10, 99[F16H]
5749340 Hydraulic tappetsExpiredJun 11, 97May 12, 98[F01L]
5503119 Crankcase scavenged two-stroke enginesExpiredJun 15, 95Apr 02, 96[F02B]
5435210 Differential drive mechanismsExpiredSep 13, 93Jul 25, 95[F16H]
5390856 Fuel injectors for diesel enginesExpiredMar 30, 94Feb 21, 95[F02M]
5178105 Valve gear for internal combustion enginesExpiredAug 22, 91Jan 12, 93[F01L]
4369746 Catalytic combustion enginesExpiredSep 05, 80Jan 25, 83[F02B]
4366787 Inlet ports in I.C. enginesExpiredMay 30, 79Jan 04, 83[F01L]
4327679 I.C. EnginesExpiredMay 30, 79May 04, 82[F02B]
4283256 Method and apparatus for measuring the strength of the air/fuel mixture supplied e.g. to an I.C. engineExpiredMar 07, 80Aug 11, 81[G01N]

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