Corken, Inc.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 128
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7334597 Liquid/vapor bypass valveFeb 27, 04Feb 26, 08[F16K]
D453525 Turbine pump housingSep 05, 00Feb 12, 02[1502]
6033196 Rotary pumpNov 19, 97Mar 07, 00[F01C]
5921274 Internal relief and bypass valve for pumps and piping systemsJun 10, 96Jul 13, 99[F16K, F04B]
5700140 Pump with improved bearing arrangement for axial position controlMay 03, 96Dec 23, 97[F04C]
5431552 Vane pumpFeb 01, 94Jul 11, 95[F04C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6644039 Delivery system for liquefied gas with maintained delivery tank pressureExpiredDec 21, 01Nov 11, 03[F17C, B65D]
6364605 Regenerative turbine pumpExpiredAug 25, 00Apr 02, 02[F01D]
4830593 Pump with vane actuating systemExpiredApr 06, 87May 16, 89[F04C]
4746280 Sliding vane pumpExpiredFeb 19, 87May 24, 88[F04C]
D294265 Fluid ejector pumpExpiredJun 24, 85Feb 16, 88[]
4659298 Pump with vane actuating systemExpiredMay 14, 85Apr 21, 87[F04C]

Top Inventors for This Owner

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