Texaco Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0143,070 Lubricants product management systemAbandonedDec 28, 04Jun 29, 06[G06F]
5461904 Leak detection means and methodExpiredSep 13, 93Oct 31, 95[G01M]
5127272 Multiphase flow rate monitoring means and methodExpiredJan 03, 91Jul 07, 92[G01F]
4832124 Subsea well head templateExpiredDec 17, 87May 23, 89[E21B]
4793418 Hydrocarbon fluid separation at an offshore site and methodExpiredAug 03, 87Dec 27, 88[E21B]
4721163 Subsea well head alignment systemExpiredFeb 27, 86Jan 26, 88[E21B]
4705114 Offshore hydrocarbon production systemExpiredDec 19, 85Nov 10, 87[E21B]
4644983 Spill reducing systemExpiredMar 20, 85Feb 24, 87[B65B, B67D]
4563032 Pulling head for removably engaging a conduit endExpiredFeb 13, 84Jan 07, 86[B66C]
4519726 Flow line riser for offshore structureExpiredDec 05, 83May 28, 85[E02B, E21B]
4519727 Offshore well head protector and method of installationExpiredSep 14, 83May 28, 85[E02B, E21B]
4287098 Process for the production of exhaust gas filtersExpiredFeb 26, 80Sep 01, 81[B01J]

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