DC

Dewey M. Cope

EI Elgin National Industries: 3 patents #1 of 5Top 20%
📍 Chesterfield, MO: #1,062 of 6,461 inventorsTop 20%
🗺 Missouri: #3,599 of 23,789 inventorsTop 20%
Overall (All Time): #886,307 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5897774 Centrifugal separator with angulated vanes 1999-04-27
5720879 Horizontal centrifugal separator with angulated vanes 1998-02-24
5676835 Horizontal vibratory centrifuge Harry E. Derton 1997-10-14
5558770 Centrifugal separator having a cone frustum Thomas John Magrecki 1996-09-24
5410795 Method of assembly and apparatus for a screen in a centrifugal separator Harry E. Derton 1995-05-02
5256289 Centrifugal separator incorporating structure to reduce abrasive wear Harry E. Derton 1993-10-26