KD

Karl D. Dreher

MO Marathon Oil: 2 patents #45 of 204Top 25%
AN Agfa-Gevaert Nv: 1 patents #100 of 260Top 40%
📍 Littleton, CO: #517 of 1,939 inventorsTop 30%
🗺 Colorado: #13,156 of 40,980 inventorsTop 35%
Overall (All Time): #1,655,849 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5358046 Oil recovery process utilizing a supercritical carbon dioxide emulsion Robert D. Sydansk 1994-10-25
4221229 Retro-viscous fluidic fluid William B. Gogarty 1980-09-09
4218032 Apparatus for convoluting webs onto rotary cores Erich Nagel, Wolfgang Zahn, Heinz Kolbl, Horst Wildner, Ernst Ismann +2 more 1980-08-19