DAVIS-LYNCH, INC.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0183,398 Valve system and methodAbandonedMar 26, 02Oct 02, 03[E21B]
5584343 Method and apparatus for filling and circulating fluid in a wellbore during casing running operationsExpiredApr 28, 95Dec 17, 96[E21B]
5566772 Telescoping casing joint for landing a casting string in a well boreExpiredMar 24, 95Oct 22, 96[E21B]
5411095 Apparatus for cementing a casing stringExpiredMar 29, 93May 02, 95[E21B]
5234052 Cementing apparatusExpiredMay 01, 92Aug 10, 93[E21B]
5197542 Well packerExpiredMar 31, 92Mar 30, 93[E21B]
5150756 Well completion apparatusExpiredFeb 25, 91Sep 29, 92[E21B]
5085273 Casing lined oil or gas wellExpiredOct 05, 90Feb 04, 92[F16L, E21B]
5027894 Through the tubing bridge plugExpiredMay 01, 90Jul 02, 91[E21B]
5024273 Cementing apparatus and methodExpiredApr 04, 90Jun 18, 91[E21B]
4909322 Casing centralizerExpiredApr 26, 89Mar 20, 90[E21B]
4892144 Inflatable toolsExpiredJan 26, 89Jan 09, 90[E21B]
4544165 Inflatable packerExpiredMay 16, 83Oct 01, 85[E21B]
4403660 Well packer and method of use thereofExpiredAug 08, 80Sep 13, 83[E21B]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.