GD

Gerald J. Duppong

CE Clark Equipment: 6 patents #59 of 416Top 15%
📍 Bismarck, ND: #22 of 226 inventorsTop 10%
🗺 North Dakota: #255 of 2,395 inventorsTop 15%
Overall (All Time): #749,747 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10494790 Ride control system for power machine Trevor W. Krause 2019-12-03
7690880 Locking device for hydraulic attachment interface Russell Honeyman, David E. Marotte, David W. Graf, Wally L. Kaczmarski 2010-04-06
6526846 Folding foot pedal for vehicle drive control Corey Fisher 2003-03-04
6357231 Hydraulic pump circuit for mini excavators 2002-03-19
6322104 Excavator frame and method of assembly Stacey A. Zander, Warren M. Schatz, Jay J. Bleth 2001-11-27
6029446 Multifunction valve stack Knute K. Brock, Thomas M. Sagaser 2000-02-29
6018895 Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements Knute K. Brock, Thomas M. Sagaser 2000-02-01