DH

Delaney C. Hopkins

Caterpillar: 3 patents #2,162 of 8,398Top 30%
📍 Dwight, IL: #3 of 12 inventorsTop 25%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,658,760 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5237819 Pilot control circuit with preselected actuation delays James L. Vocu 1993-08-24
4869065 Single spool selector valve for simultaneous pump displacement and motor direction control in hydrostatic drive 1989-09-26
4658854 Conduit guarding and clamping device James W. Thais 1987-04-21