Darex Corporation

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 264

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

Patent # Title Filing Date Issue Date Intl Class
6878035 Tool sharpenerMar 21, 03Apr 12, 05[B24B]
5400546 Precision twist drill sharpener/point splitting machineMar 19, 93Mar 28, 95[B24B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4916866 End mill sharpenerExpiredFeb 09, 89Apr 17, 90[B24B]
4485596 Twist drill point splitting/web thinning apparatusExpiredSep 09, 82Dec 04, 84[B24B]
4471581 Universal twist drill sharpener apparatusExpiredSep 09, 82Sep 18, 84[B24B]

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!.