DW

Dennis E. Ward

DC Donaldson Company: 6 patents #202 of 695Top 30%
📍 Richfield, MN: #47 of 268 inventorsTop 20%
🗺 Minnesota: #11,810 of 52,454 inventorsTop 25%
Overall (All Time): #880,337 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D475129 Radial seal filter element with press-on fin structure Thomas Miller 2003-05-27
D416308 Safety filter element Kevin Schrage, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson 1999-11-09
D414544 Filter element Kevin Schrage, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson 1999-09-28
D412567 Housing for an air cleaner Kevin Schrage, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson 1999-08-03
D412568 Cover for a housing for an air cleaner Kevin Schrage, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson 1999-08-03
D401306 Filter element Kevin Schrage, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson 1998-11-17