DB

Donald R. Bell

3M: 11 patents #1,441 of 11,543Top 15%
ET Ethyl: 5 patents #112 of 494Top 25%
AC Afton Chemical: 1 patents #130 of 222Top 60%
Overall (All Time): #277,589 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8865633 Gear oil compositions Ian Macpherson, Akhilesh Duggal 2014-10-21
7044834 Abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 2006-05-16
6884157 Abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 2005-04-26
6579162 Abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 2003-06-17
6579161 Abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 2003-06-17
6197076 Abrasive article method of making same and abrading apparatus Ehrich J. Braunschweig 2001-03-06
5840089 Method of making an abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 1998-11-24
5725423 Abrading apparatus John L. Barry, Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama +1 more 1998-03-10
5672186 Method of making an abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 1997-09-30
5667540 Method of making an abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 1997-09-16
5612295 Lubricant additive compositions Rolfe J. Hartley, Andrew G. Papay 1997-03-18
5607345 Abrading apparatus John L. Barry, Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama +1 more 1997-03-04
5591237 Fuel additive concentrate with enhanced storage stability 1997-01-07
5505747 Method of making an abrasive article Jason A. Chesley, Harold E. Rude, William F. Sheffield, David F. Slama, Alan N. Stephens 1996-04-09
5240630 Refrigeration compositions containing diester-amides of dialkanolamines Mahmood Sabahi 1993-08-31
5026885 Process for preparing transition metal cyclopentadienyl carbonyl compounds Bruce C. Berris 1991-06-25
4946975 Process for making methylcyclopentadienyl manganese tricarbonyl compounds Feng-Jung Wu, Bruce C. Berris 1990-08-07