KUDU INDUSTRIES INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 146
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6371206 Prevention of sand plugging of oil well pumpsApr 20, 00Apr 16, 02[E21B]
5639227 Seal arrangement for the drivehead of a downhole rotary pumpNov 08, 95Jun 17, 97[F04B]
5551510 Safety coupling for rotary down hole pumpMar 08, 95Sep 03, 96[F16D, E21B]
5327961 Drive head for downhole rotary pumpSep 25, 92Jul 12, 94[F04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0126,878 Method for Electrolytic Stripping of Spray Metal Coated SubstrateAbandonedDec 01, 08May 27, 10[C25F]
2009/0098,002 PROCESS FOR HARDFACING A METAL BODYAbandonedNov 25, 08Apr 16, 09[C23C, B05D, F01C]
2008/0069,715 PROCESS FOR HARDFACING A PROGRESSING CAVITY PUMP/MOTOR ROTORAbandonedSep 20, 07Mar 20, 08[C23C, F04C]
2007/0071,921 PROCESS FOR HARDFACING A PROGRESSING CAVITY PUMP/MOTOR ROTORAbandonedSep 20, 06Mar 29, 07[C23C, B05D, B28B]
6786309 Rotary shaft brakeExpiredMay 16, 02Sep 07, 04[F16D]
6155347 Method and apparatus for controlling the liquid level in a wellExpiredApr 12, 99Dec 05, 00[E21B]
5881814 Apparatus and method for dual-zone well productionExpiredJul 08, 97Mar 16, 99[E21B]

Top Inventors for This Owner

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