Britoil PLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5261491 Method for inhibiting scale formationOct 03, 91Nov 16, 93[C02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5007482 Offshore oil production systemExpiredMar 09, 90Apr 16, 91[E21B]
5007697 Fibre optic data couplerExpiredAug 11, 89Apr 16, 91[G02B, G02F]
4868794 Method of accumulation data for use in determining the signatures of arrays of marine seismic sourcesExpiredApr 20, 88Sep 19, 89[G01V]
4689774 Seismic streamer sectionExpiredJul 30, 85Aug 25, 87[G01V]
4648078 Remote calibration of acoustic transducer arrayExpiredOct 17, 84Mar 03, 87[H04R]
4638469 Mechanical spacer for towed acoustic arrayExpiredMay 18, 84Jan 20, 87[H02G, G01V]
4476553 Method of determining the signatures of arrays of marine seismic sourcesExpiredMay 25, 82Oct 09, 84[G01J]
4317488 Apparatus for use in placing a submarine structure on the sea bed alongside an underwater well and method of drilling a plurality of closely spaced underwater wellsExpiredFeb 14, 80Mar 02, 82[E21B]

Top Inventors for This Owner

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