DS

David T. Sheller

WC W.R. Grace & Co.-Conn.: 8 patents #86 of 1,045Top 9%
EN Engelhard: 2 patents #165 of 518Top 35%
📍 Garrettsville, OH: #5 of 38 inventorsTop 15%
🗺 Ohio: #7,178 of 73,341 inventorsTop 10%
Overall (All Time): #473,745 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5846495 Structure for converter body William A. Whittenberger 1998-12-08
5820835 Assembly and method for making catalytic converter structure William A. Whittenberger 1998-10-13
5657923 Brazing of catalyzed converter bodies 1997-08-19
5651906 Electrically heatable converter body having plural thin metal core elements attached only at outer ends William A. Whittenberger 1997-07-29
5632961 Reinforcing web for a multicellular converter 1997-05-27
5532453 Process for welding a stack of thin metal sheets 1996-07-02
5422083 Reinforced converter body 1995-06-06
5384099 Core element for catalytic converter 1995-01-24
5318756 Electrode feed through Gordon W. Brunson 1994-06-07
5272876 Core element for catalytic converter 1993-12-28
5238650 Electrode feed through Gordon W. Brunson 1993-08-24