KIORITZ CORPORATION

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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 1656
 
  
 
B27B SAWS; COMPONENTS OR ACCESSORIES THEREFOR 718
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 733
 
  
 
F02N STARTING OF COMBUSTION ENGINES 726
 
  
 
B26B HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR 631
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 677
 
  
 
A47L DOMESTIC WASHING OR CLEANING 555
 
  
 
F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES 431
 
  
 
A01D HARVESTING; MOWING338
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 388

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7594334 Vibration-absorbing coupler and portable brush cutter provided with the vibration-absorbing couplerAug 30, 06Sep 29, 09[B26B]
7363886 Power unitApr 18, 06Apr 29, 08[F01P]
7255072 Two-stroke internal combustion engineMay 23, 06Aug 14, 07[F02B]
7182059 Oil pump mechanism for lubricating saw chainJun 27, 05Feb 27, 07[F01M]
7086837 Centrifugal blower fanApr 22, 04Aug 08, 06[F04D]
7055213 Power blower having a debris-catching coverMar 03, 03Jun 06, 06[]
D522532 Internal combustion engineJun 08, 04Jun 06, 06[]
D521528 Internal combustion engineJun 08, 04May 23, 06[]
7011078 Two-stroke internal combustion engineJul 27, 04Mar 14, 06[F02B]
7007660 Portable power working machineSep 03, 04Mar 07, 06[F02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7520690 Part positioner and part pressing memberExpiredNov 07, 05Apr 21, 09[F16B]
7322114 Saw chain tensioning mechanismExpiredJun 28, 05Jan 29, 08[B27B]
2007/0294,855 Backpack blowerAbandonedJun 13, 07Dec 27, 07[A47L]
2007/0234,998 Shut-down device for engine of portable working machineAbandonedApr 04, 07Oct 11, 07[F02M, F02B, F02D]
7243622 Two-stroke internal combustion engineExpiredJun 02, 06Jul 17, 07[F02B]
7165597 Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert coreExpiredJun 02, 04Jan 23, 07[B22D]
7101295 Power transmission device and portable power working machine provided with the sameExpiredAug 13, 03Sep 05, 06[F16H]
7063061 Liquid quantity visual confirmation device and reservoir-forming memberExpiredApr 27, 04Jun 20, 06[F02F]
2006/0102,437 Brake system of working machineAbandonedOct 17, 05May 18, 06[F16D]
2006/0026,953 Catalyst-attached muffler for internal combustion engineAbandonedAug 05, 05Feb 09, 06[F01N]
6994070 Portable air blowing working machineExpiredApr 05, 04Feb 07, 06[F02B]
2006/0022,465 Pipe joint structureAbandonedJul 26, 05Feb 02, 06[F16L]
2006/0010,860 Catalyst-attached muffler for internal combustion engineAbandonedJul 11, 05Jan 19, 06[F01N]
6925970 Air-cooled four-stroke internal combustion engineExpiredApr 21, 04Aug 09, 05[F02F]
6918451 Brake band and portable trimmerExpiredApr 09, 03Jul 19, 05[F16D]
6901900 Recoil starter for backpack type power working machineExpiredJan 28, 03Jun 07, 05[F02N]
2005/0084,609 Method of plating cylinder of internal combustion engine and plating apparatusAbandonedMar 31, 04Apr 21, 05[B05D]
6857163 Power blower having a debris-catching filter memberExpiredMay 20, 02Feb 22, 05[A47L]
2005/0028,382 Portable brushcutterAbandonedAug 02, 04Feb 10, 05[B26B]
6840207 Recoil starter for backpack-type power working machineExpiredMay 22, 03Jan 11, 05[F02N]

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