WORLD ENERGY SYSTEMS, 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 2373
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 320

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0010,434 STIMULATION OF LIGHT TIGHT SHALE OIL FORMATIONSFeb 05, 16Jan 11, 18[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9725999 System and methods for steam generation and recovery of hydrocarbonsApr 14, 14Aug 08, 17[E21B]
9617840 Downhole steam generator and method of useDec 20, 13Apr 11, 17[F22B, E21B]
9556708 Downhole steam generator control systemFeb 21, 14Jan 31, 17[F22B, E21B]
9540916 Apparatus and methods for recovery of hydrocarbonsMay 12, 14Jan 10, 17[E21B]
9528359 Downhole steam generator and method of useDec 20, 13Dec 27, 16[F22B, E21B]
9422797 Method of recovering hydrocarbons from a reservoirMar 10, 14Aug 23, 16[E21B]
9194214 Method and system for controlling wellbore production temperatureJan 24, 13Nov 24, 15[E21B]
8899327 Method for recovering hydrocarbons using cold heavy oil production with sand (CHOPS) and downhole steam generationMay 27, 11Dec 02, 14[E21B]
8820420 Method for increasing the recovery of hydrocarbonsJan 09, 12Sep 02, 14[E21B]
8733437 Apparatus and methods for recovery of hydrocarbonsJul 27, 12May 27, 14[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0166,272 MEASUREMENT AND CONTROL SYSTEM FOR A DOWNHOLE TOOLAbandonedNov 27, 13Jun 19, 14[E21B]
8336623 Process for dispersing nanocatalysts into petroleum-bearing formationsExpiredApr 26, 10Dec 25, 12[E21B]
2006/0162,923 Method for producing viscous hydrocarbon using incremental fracturingAbandonedJan 09, 06Jul 27, 06[E21B]
6016867 Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreakingExpiredJun 24, 98Jan 25, 00[E21B]
6016868 Production of synthetic crude oil from heavy hydrocarbons recovered by in situ hydrovisbreakingExpiredJun 24, 98Jan 25, 00[E21B]
4865130 Hot gas generator with integral recovery tubeExpiredJun 17, 88Sep 12, 89[E21B]
4691771 Recovery of oil by in-situ combustion followed by in-situ hydrogenationExpiredSep 15, 86Sep 08, 87[E21B]
4597441 Recovery of oil by in situ hydrogenationExpiredMay 25, 84Jul 01, 86[E21B]
4304103 Heat pump operated by wind or other power meansExpiredApr 22, 80Dec 08, 81[F25B]
4199024 Multistage gas generatorExpiredJan 18, 79Apr 22, 80[E21B]

Top Inventors for This Owner

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