1589549 ALBERTA LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 128
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
F17D PIPE-LINE SYSTEMS; PIPE-LINES 113

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9574716 Method of reducing leaks from a pipelineMar 18, 13Feb 21, 17[F17D, F04B, E21B]
8714935 Method of running a down hole rotary pumpFeb 25, 11May 06, 14[F04B, E21B]
7896624 Method of running a down hole rotary pumpApr 21, 06Mar 01, 11[F04B]
7309163 Thrust bearing assembly with a stack of thrust bearing membersJan 22, 04Dec 18, 07[F16C]
7093665 Method of adapting a downhole multi-phase twin screw pump for use in wells having a high gas content and a downhole multi-phase twin screw pumpMar 29, 04Aug 22, 06[E21B]
6413065 Modular downhole multiphase pumpMar 30, 99Jul 02, 02[F01C]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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