DR

David A. Ruthmansdorfer

CE Cummins Engine: 3 patents #121 of 765Top 20%
WR Westport Research: 1 patents #18 of 45Top 40%
Overall (All Time): #1,270,572 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6640773 Method and apparatus for gaseous fuel introduction and controlling combustion in an internal combustion engine Richard J. Ancimer, Sandeep Munshi, Patric Ouellette, Konstantin Tanin 2003-11-04
4520627 Turbocharged internal combustion engine Dean H. Reichenbach, John H. Stang, Lewis W. Cummings, Richard E. Glasson 1985-06-04
4348991 Dual coolant engine cooling system John H. Stang, Dean H. Reichenbach 1982-09-14
4343268 Energy conserving exhaust passage for an internal combustion engine John H. Stang, Walter A. Brighton 1982-08-10