TSUCHIYA MFG. CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 126
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
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
5641344 Fuel vapor treatment deviceDec 04, 95Jun 24, 97[B01D]
5599384 Fuel vapor treatment deviceMay 22, 95Feb 04, 97[B01D]
5349141 Resonator type silencer having plural resonance chambersAug 25, 93Sep 20, 94[E04F]
5323745 Plastic rocker coverMar 25, 93Jun 28, 94[F02B]
5228420 Valve rocker coverSep 25, 92Jul 20, 93[F01M, F02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5714030 Plastisol type adhesive composition used in filter for alcohol-containing fuelExpiredJan 03, 97Feb 03, 98[C08J, C08L, B01D]
5541374 Resonator type silencerExpiredMar 29, 95Jul 30, 96[F01N]
5283398 Resonator type silencerExpiredAug 06, 92Feb 01, 94[E04F]
5075411 Curable epoxy resin composition for structural parts containing polyamine derived mannich base and novolac or bisphenol F epoxy resinExpiredFeb 16, 90Dec 24, 91[C08G]
4940500 Filter medium forming system and processExpiredAug 25, 88Jul 10, 90[B31F]
4926914 Vent control valve attached to fuel filler tubeExpiredAug 08, 88May 22, 90[B65B]
4925561 Composite planar and triangularly pleated filter elementExpiredMar 30, 89May 15, 90[B01D]
4892136 Heat exchangerExpiredDec 30, 87Jan 09, 90[F28F]
4856487 Gas flow rate control system for internal combustion engineExpiredDec 23, 86Aug 15, 89[F02M]
4774000 Submicron disc filtersExpiredOct 31, 86Sep 27, 88[B01D]
4742840 Roll-over valve for motor vehicleExpiredDec 19, 86May 10, 88[F16K]
4710297 Fluid filter with pleated filter mediumExpiredMar 28, 86Dec 01, 87[F02M]
4708199 Heat exchangerExpiredFeb 28, 86Nov 24, 87[F28F]
4669532 Heat exchanger with temperature responsive bypassExpiredApr 23, 84Jun 02, 87[G05D]
4653581 Plate type heat exchangerExpiredJun 26, 85Mar 31, 87[F28F]
4627406 Oil separator for recycled blow-by gasExpiredDec 05, 84Dec 09, 86[F02B]
4596141 Electrically operated oil level gaugeExpiredMay 15, 84Jun 24, 86[G08B, G01F]
4579194 Muffler with catalyst for internal combustion engineExpiredFeb 26, 85Apr 01, 86[F01N]

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