Meta Motoren- und Energie-Technik GmbH

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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
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 253
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 138

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9284916 Method for operating a reciprocating piston internal combustion engine with internal exhaust gas energy recuperation and reciprocating piston internal combustion engineAug 17, 12Mar 15, 16[F02M, F02B, F01B, F02G]
9057371 Method for varying the duration of a supply stroke of a pump element, and a pump deviceJan 21, 11Jun 16, 15[F04B]
8701616 Method and device for reducing rotational non-uniformities of the crankshaft of an internal combustion piston engineMay 27, 08Apr 22, 14[F02B]
7950357 Method for operating an internal combustion engine and an internal combustion engineDec 19, 08May 31, 11[F02B]
7780425 Piston compressorDec 22, 04Aug 24, 10[F04B]
5592906 Method and device for variable valve control of an internal combustion engineMar 03, 95Jan 14, 97[F01L]
5588411 Method for controlling an internal combustion engine with external ignition system and with a fuel injection systemJan 18, 96Dec 31, 96[F02P]
5586527 Device for the variable control of the valves of internal combustion engines, more particularly for the throttle-free load control of 4-stroke enginesJun 09, 95Dec 24, 96[F01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0118,426 Method for Operating an Internal Combustion Engine and an Internal Combustion EngineAbandonedJul 08, 11May 16, 13[F02F]
8033260 Valve lever assembly having a switchable valve actuating mechanismExpiredFeb 05, 09Oct 11, 11[F01L]
7963260 Switchable valve actuating mechanismExpiredJul 26, 06Jun 21, 11[F01L]
2009/0136,166 Combined Roller- and Slide BearingAbandonedJul 07, 06May 28, 09[F16C]
7055470 Internal combustion engines having double cylinder unitsExpiredMar 12, 04Jun 06, 06[F02B]
6923151 Apparatus for the adjustment of the stroke of a valve actuated by a camshaftExpiredMay 09, 03Aug 02, 05[F01L]
6892997 Method and valve for reducing valve opening and closing time durationsExpiredFeb 21, 03May 17, 05[F16K]
6848402 Methods and apparatus for providing variable valve lift for camshaft-actuated valvesExpiredJul 02, 03Feb 01, 05[F01L]
6814039 Valve-actuating devices for internal combustion engines having changeable stroke functionsExpiredMar 11, 04Nov 09, 04[F01L]
6810851 Supplementary control valve devices for an intake passage of an internal combustion engineExpiredOct 02, 03Nov 02, 04[F02D]
6752107 Apparatus for switching the operation of a change valve of a combustion engineExpiredDec 07, 01Jun 22, 04[F01L, F02D]
6637405 Supplemental control valve device for supplemental flow control of an internal combustion engine intake channelExpiredAug 02, 02Oct 28, 03[F02B, F02D]
6581552 Apparatus for changing the compression of a cylinder of a piston engineExpiredJan 29, 02Jun 24, 03[F02B]
6422184 Method and apparatus for impulse charging of an internal combustion engineExpiredFeb 25, 00Jul 23, 02[F02B]
6273116 Method and device for opening a valve, especially a load changing valve of an internal combustion engineExpiredAug 05, 99Aug 14, 01[F16K]
6202607 Electromagnetically operating device for actuating a valveExpiredAug 05, 99Mar 20, 01[F01L]
6186101 Device for activating and deactivating a load change valve of an internal combustion engineExpiredJun 29, 99Feb 13, 01[F01L]
6131545 Apparatus for switching off a load change valve of an internal combustion engineExpiredNov 06, 98Oct 17, 00[F02B]
6067948 Device for actuating at least one gas exchange valve of an internal combustion engineExpiredJan 28, 99May 30, 00[F01L]
6009861 Method of improving the combustion characteristics in an internal combustion engineExpiredSep 04, 97Jan 04, 00[F02M]

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