Walbro Japan, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 1271

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7267327 Throttle valve assembly and dust seal for a carburetorOct 27, 04Sep 11, 07[F02M]
7007931 Rotary throttle valve carburetorMay 27, 03Mar 07, 06[F02M]
6945520 Starting assembly for a carburetorJun 14, 04Sep 20, 05[F02M]
6928996 Stratified scavenging mechanism of a two-stroke engineJun 26, 03Aug 16, 05[F02M]
6896245 Stratified scavenging carburetorNov 21, 03May 24, 05[F02M]
6871843 Carburetor with idle fuel supply arrangementMar 07, 03Mar 29, 05[F02M]
6769670 Starting assembly for a carburetorDec 05, 02Aug 03, 04[F02M]
6467757 Carburetor valve adjustment limiter cap assemblySep 26, 00Oct 22, 02[F02M]
6394425 Carburetor with a rotary throttle valveApr 28, 00May 28, 02[F02M]
6293524 Carburetor with accelerating deviceJan 20, 00Sep 25, 01[F02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7287741 Rotary throttle valve carburetorExpiredJan 05, 05Oct 30, 07[F02M]
7152852 Priming system for a float bowl carburetorExpiredFeb 17, 04Dec 26, 06[F02M]
7114708 Rotary throttle valve carburetorExpiredJun 03, 04Oct 03, 06[F02M]
7097162 Carburetor with fuel vapor controlExpiredMar 26, 04Aug 29, 06[F02M]
7040742 Ink flow control device for ink jet type printerExpiredMar 12, 04May 09, 06[B41J]
6827337 Rotary throttle valve carburetorExpiredMar 26, 01Dec 07, 04[F02M]
6736613 Acceleration fuel pump having a resilient check valve member for a combustion engine carburetorExpiredMay 07, 02May 18, 04[F04B]
6672570 Variable venturi carburetorExpiredNov 13, 01Jan 06, 04[F02M]
6644631 Diaphragm-type carburetorExpiredNov 19, 02Nov 11, 03[F02M]
6606971 Small engine fuel injection systemExpiredMar 05, 02Aug 19, 03[F02B]
2003/0047,818 Fuel metering assembly for a diaphragm-type carburetorAbandonedAug 14, 02Mar 13, 03[F02M]
6491288 Carburetor fuel mixture adjustment assemblyExpiredMar 29, 01Dec 10, 02[F02M]
6481699 Acceleration device for a two-cycle engineExpiredOct 16, 00Nov 19, 02[F02M]
6431527 Rotary throttle valve carburetorExpiredNov 02, 00Aug 13, 02[F02M]
6425573 Carburetor with vapor purge pumpExpiredApr 07, 00Jul 30, 02[F02M]
6418891 Internal combustion engineExpiredMar 08, 01Jul 16, 02[F02M]
6382598 Fuel flow control device for diaphragm-type carburetorExpiredOct 25, 00May 07, 02[F02M]
6382599 Carburetor with acceleratorExpiredAug 01, 00May 07, 02[F02M]
6378846 Carburetor with adjustable flow rate throttle leverExpiredJun 12, 00Apr 30, 02[F02M]
6349925 Carburetor for two-stroke engineExpiredJan 28, 00Feb 26, 02[F02M]

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