NW

Norval J. Wiemken

Caterpillar: 10 patents #570 of 8,398Top 7%
📍 Dwight, IL: #2 of 12 inventorsTop 20%
🗺 Illinois: #8,942 of 84,256 inventorsTop 15%
Overall (All Time): #522,233 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7278593 Common rail fuel injector Yongxin Wang, Ye Tian, Norman D. Knapp 2007-10-09
7077381 Desensitizing armature air gap to component distortion in a fuel injector Alan R. Stockner, Scott F. Shafer, Steven Y. Tian, Mark S. Cavanagh 2006-07-18
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
6431472 Fuel injector nozzle with outwardly opening check valve Ye Tian 2002-08-13
5901686 Fluid seal for cyclic high pressures within a fuel injector Alan R. Stockner, Jay E. Tomaseski 1999-05-11
5870995 Space saving high pressure fluid supply clamp for a fuel injector Alan R. Stockner 1999-02-16
5871155 Hydraulically-actuated fuel injector with variable rate return spring Alan R. Stockner 1999-02-16
5682861 Fluid seal for cyclic high pressures within a fuel injection Alan R. Stockner, Jay E. Tomaseski 1997-11-04
5499612 Dual-function clamping assembly adapted for a hydraulically-actuated fuel injector Michael Anthony Haughney, Mehrdad Mojarrad, Devin C. Tornow 1996-03-19