A-Z International Tool Company

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Expired/Abandoned/Withdrawn Patents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
4722615 Drilling apparatus and cutter thereforExpiredApr 14, 86Feb 02, 88[F16C, E21B, F16J]
4660863 Casing patch sealExpiredJul 24, 85Apr 28, 87[F16L]
4646826 Well string cutting apparatusExpiredJul 29, 85Mar 03, 87[E21B]
4550781 Method of and apparatus for cutting and recovering of submarine surface casingExpiredJun 06, 84Nov 05, 85[E21B]
4533003 Drilling apparatus and cutter thereforExpiredMar 08, 84Aug 06, 85[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!.