SERVA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 636
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
E03B INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER 112
 
  
 
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
8668466 Variable displacement reciprocating pumpOct 11, 10Mar 11, 14[F04B]
7811064 Variable displacement reciprocating pumpAug 18, 05Oct 12, 10[F04B]
7581872 Gel mixing systemFeb 28, 06Sep 01, 09[B01F]
7419296 Gel mixing systemApr 25, 05Sep 02, 08[B01F]
7223013 First in first out hydration tanksApr 08, 04May 29, 07[B01F]
7029165 Automatically adjusting annular jet mixerApr 08, 04Apr 18, 06[B01F]
6994100 Metering valveApr 12, 04Feb 07, 06[E03B]
6802638 Automatically adjusting annular jet mixerOct 26, 01Oct 12, 04[B01F]
6789565 Metering valveMay 20, 02Sep 14, 04[F16K]
6749330 Cement mixing system for oil well cementingNov 01, 01Jun 15, 04[B01F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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