QTRCO, INC.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126
 
  
 
F16H GEARING199
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9464719 Seal assembly for use in harsh environmentsJun 19, 12Oct 11, 16[F16J]
5492050 Pneumatic actuator with rack and pinion assemblyFeb 14, 94Feb 20, 96[F01B, F16H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0362,078 Double-Offset Butterfly ValveAbandonedApr 25, 13Dec 17, 15[F16K]

Top Inventors for This Owner

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