NW

Norval J. Wiemken

Caterpillar: 2 patents #20 of 338Top 6%
📍 Dwight, IL: #1 of 1 inventorsTop 100%
🗺 Illinois: #494 of 5,218 inventorsTop 10%
Overall (2005): #40,518 of 245,428Top 20%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6955114 Three way valve and electro-hydraulic actuator using same Alan R. Stockner, Scott F. Shafer, Gene Slinkard, Mark S. Cavanagh, Ye Tian 2005-10-18
6951204 Hydraulic fuel injection system with independently operable direct control needle valve Scott F. Shafer, Alan R. Stockner, Ye Tian 2005-10-04