PETRO-CANADA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 260
 
  
 
B41F PRINTING MACHINES OR PRESSES 143
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6719054 Method for acid stimulating a subterranean well formation for improving hydrocarbon productionSep 28, 01Apr 13, 04[E21B]
6358403 Process for recovery of hydrocarbon from tailingsMay 21, 99Mar 19, 02[C10G]
6358404 Method for recovery of hydrocarbon diluent from tailingMay 21, 99Mar 19, 02[C10G]
5794532 Gambling chip and method of marking sameOct 02, 97Aug 18, 98[B41F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0261,379 Spray Oil and Method of Use Therefor for Controlling Turfgrass PestsAbandonedMay 16, 05Nov 24, 05[A61K]
6746596 Process for reducing sulphur emissions from a fluidized bed coke burnerExpiredJun 14, 01Jun 08, 04[C10G]
6746599 Staged settling process for removing water and solids from oils and extraction frothExpiredJun 11, 01Jun 08, 04[C10G]
6214213 Solvent process for bitumen seperation from oil sands frothExpiredSep 30, 97Apr 10, 01[C10G]
6119870 Cycloseparator for removal of coarse solids from conditioned oil sand slurriesExpiredSep 09, 98Sep 19, 00[B03B, B04C, B01D]
6076753 Agitated slurry pump box for oil sand hydrotransportExpiredJul 06, 99Jun 20, 00[B02C]
5988198 Process for pumping bitumen froth through a pipelineExpiredNov 12, 98Nov 23, 99[F17D]
5954277 Agitated slurry pump box for oil sand hydrotransportExpiredJan 27, 98Sep 21, 99[B02C]

Top Inventors for This Owner

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