1075878 ALBERTA LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9121508 Flow control for large diameter conduitsMay 31, 11Sep 01, 15[F16K, F16L, G05D]
7841365 Apparatus for controlling flow through a conduitSep 25, 07Nov 30, 10[F16L]
7658225 Polish rod clamp apparatusMay 10, 07Feb 09, 10[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7314081 Pumping from two levels of a pool of production fluid, and one way valve thereforeExpiredMar 17, 05Jan 01, 08[E21B]

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