Graham Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 226
 
  
 
B01D SEPARATION 1133
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7140378 Instantaneous water heaterJan 18, 05Nov 28, 06[F16K]
5772709 Apparatus for removing ammonia and carbon dioxide gases from a steamApr 18, 96Jun 30, 98[B01D]
5343705 Method and apparatus for maintaining a required temperature differential in vacuum deaeratorsJan 12, 94Sep 06, 94[F01K]
5297389 Method and apparatus for maintaining a required temperature differential in vacuum deaeratorsAug 06, 92Mar 29, 94[F01K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0025,862 Compressible gas ejector with unexpanded motive gas-load gas interfaceAbandonedJul 28, 05Feb 01, 07[F04F]
6817408 Heat exchanger with integral internal temperature sensorExpiredDec 06, 01Nov 16, 04[G05B]
6027552 Method for removing ammonia and carbon dioxide gases from a steamExpiredMar 30, 98Feb 22, 00[B01D]
5682947 Housing assembly for a coil heat exchangerExpiredMay 07, 96Nov 04, 97[F28D]
5275091 Apparatus for aseptically processing a food productExpiredMay 20, 91Jan 04, 94[A23L]
5165237 Method and apparatus for maintaining a required temperature differential in vacuum deaeratorsExpiredMar 08, 91Nov 24, 92[F01K]
4865089 Apparatus and method for volumetrically metering a food chunk/liquid mixture in a predetermined ratio of food chunks to liquidExpiredAug 10, 87Sep 12, 89[B65B]
4830865 Method for aseptically processing a food productExpiredDec 15, 86May 16, 89[A23L]

Top Inventors for This Owner

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