JP Scope, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 550
 
  
 
F02N STARTING OF COMBUSTION ENGINES 528
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 270
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 271
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9145797 Variable travel valve apparatus for an internal combustion engineSep 09, 13Sep 29, 15[F01L, F02B, F02D]
8899205 Valve apparatus for an internal combustion engineAug 26, 13Dec 02, 14[F01L, F02B, F02D]
8528511 Variable travel valve apparatus for an internal combustion engineFeb 27, 09Sep 10, 13[F01L, F02N]
8516988 Valve apparatus for an internal combustion engineFeb 03, 12Aug 27, 13[F01L, F02N]
8108995 Valve apparatus for an internal combustion engineSep 22, 06Feb 07, 12[B23P]
7874271 Method of operating a valve apparatus for an internal combustion engineDec 08, 08Jan 25, 11[F01L]
7461619 Valve apparatus for an internal combustion engineSep 22, 06Dec 09, 08[F01L]
7448354 Valve apparatus for an internal combustion engineJul 30, 07Nov 11, 08[F02N]
7373909 Valve apparatus for an internal combustion engineSep 22, 06May 20, 08[F02N]
7263963 Valve apparatus for an internal combustion engineSep 22, 06Sep 04, 07[F02N]

Expired/Abandoned/Withdrawn Patents

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