Acker Drill Company, 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Expired/Abandoned/Withdrawn Patents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
4844184 Lock device for hollow stem augersExpiredSep 29, 88Jul 04, 89[F16L, E21B]
4844489 Chuck apparatus and methodExpiredOct 23, 87Jul 04, 89[B23B]
4274769 Impregnated diamond drill bit constructionExpiredMay 19, 78Jun 23, 81[B23B]
4211294 Impregnated diamond drill bitExpiredApr 21, 78Jul 08, 80[E21B]
4189015 Drill bits for obtaining core samplesExpiredAug 21, 78Feb 19, 80[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!.