DP

David A. Pierpont

Caterpillar: 9 patents #3 of 431Top 1%
📍 Dunlap, IL: #1 of 30 inventorsTop 4%
🗺 Illinois: #30 of 5,836 inventorsTop 1%
Overall (2002): #2,354 of 266,432Top 1%
9
Patents 2002

Issued Patents 2002

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6484500 Two turbocharger engine emission control system Gerald N. Coleman, Dennis D. Feucht, James J. Faletti 2002-11-26
6484499 Twin variable nozzle turbine exhaust gas recirculation system Gerald N. Coleman, James J. Faletti, Dennis D. Feucht 2002-11-26
6460519 Twin turbine exhaust gas re-circulation system having fixed geometry turbines 2002-10-08
6439212 Bypass venturi assembly and elbow with turning vane for an exhaust gas recirculation system Gerald N. Coleman, Dennis D. Feucht, Michael P. Harmon, Matthew D. Rampenthal 2002-08-27
6418721 Two turbocharger exhaust gas re-circulation system having a first stage variable nozzle turbine Gerald N. Coleman, James J. Faletti, Dennis D. Feucht 2002-07-16
6412279 Twin turbine exhaust gas re-circulation system having a second stage variable nozzle turbine Gerald N. Coleman, James J. Faletti, Dennis D. Feucht 2002-07-02
6397598 Turbocharger system for an internal combustion engine 2002-06-04
6378509 Exhaust gas recirculation system having multifunction valve Dennis D. Feucht 2002-04-30
6360732 Exhaust gas recirculation cooling system Brett M. Bailey 2002-03-26