YAMADA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 656
 
  
 
1502 PUMPS AND COMPRESSORS314
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D781922 Diaphragm pumpOct 30, 15Mar 21, 17[1502]
D781923 Diaphragm pumpOct 30, 15Mar 21, 17[1502]
D781924 Diaphragm pumpOct 30, 15Mar 21, 17[1502]
8469680 Valve body for pumpsFeb 12, 10Jun 25, 13[F04B]
7497670 Dual diaphragm transfer pumpDec 08, 03Mar 03, 09[F04B]
6742997 Diaphragm-type pumping apparatusNov 26, 02Jun 01, 04[F04B]
6644940 Restarting device for a fluid operated double diaphragm piston pumpDec 05, 01Nov 11, 03[F04B]
6422430 Pressure pump for high viscosity fluidOct 27, 00Jul 23, 02[F04B]
6129521 Safety valve apparatus for air pressure operable diaphragm pumpOct 16, 98Oct 10, 00[F04B]
5635625 Oil changerJul 05, 95Jun 03, 97[F01M, G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6102274 Method for manufacturing golf club headsExpiredOct 22, 97Aug 15, 00[B23K, A63B]
5956946 Vehicle exhaust-gas purifierExpiredMar 19, 98Sep 28, 99[B03C, F01N, B01D]

Top Inventors for This Owner

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