PETROLEUM TECHNOLOGY COMPANY AS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1878
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 179

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0241,216 METHOD OF MANUFACTURING A SIDE POCKET MANDREL BODYOct 29, 15Aug 24, 17[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9611720 Valve arrangement and method of operating the sameFeb 04, 14Apr 04, 17[E21B]
9587463 Valve systemJun 16, 14Mar 07, 17[E21B]
9580991 Shear valveMar 15, 12Feb 28, 17[F16K, E21B]
9500062 Valve device of a wellhead Christmas tree assemblyFeb 14, 11Nov 22, 16[E21B]
9394754 Kick over toolDec 07, 10Jul 19, 16[E21B]
9382777 Tool for installing units in a wellJan 26, 11Jul 05, 16[E21B]
9371713 Plug sensorMay 16, 12Jun 21, 16[E21B, G01V]
9217322 Methods for installing and retrieving a well monitoring apparatusMay 16, 12Dec 22, 15[E21B]
9140096 Valve systemFeb 16, 11Sep 22, 15[E21B]
8701779 Bellows valveMar 13, 09Apr 22, 14[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0216,715 Plug sensor with ceramic elementAbandonedMay 16, 12Aug 07, 14[E21B]
2013/0206,239 Valve assemblyAbandonedJun 14, 11Aug 15, 13[F16K]
2013/0206,424 Valve device for a side pocket or sub in a wellAbandonedFeb 15, 11Aug 15, 13[E21B]
2013/0140,033 Actuator deviceAbandonedMar 29, 11Jun 06, 13[E21B]
2013/0094,975 Device and method of enhancing production of hydrocarbonsAbandonedApr 14, 11Apr 18, 13[F04F]
2012/0125,621 Bellows valveAbandonedNov 25, 09May 24, 12[E21B]
8136601 Power lift generatorExpiredMar 28, 08Mar 20, 12[E21B]
2010/0212,908 Stealth OrificeAbandonedAug 06, 08Aug 26, 10[E21B]
2010/0155,079 Bellows valveAbandonedJun 05, 08Jun 24, 10[E21B]

Top Inventors for This Owner

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