DH

David L. Hilden

General Motors: 5 patents #3,082 of 18,328Top 20%
Overall (All Time): #1,001,442 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8926926 Exhaust particulate management for gasoline-fueled engines Calvin K. Koch, Paul M. Najt, Kushal Narayanaswamy 2015-01-06
8713914 Method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device Steven J. Schmieg, Michael B. Viola, Shi-Wai S. Cheng, Patricia A. Mulawa, Thompson M. Sloane +1 more 2014-05-06
8186151 Method to monitor HC-SCR catalyst NOx reduction performance for lean exhaust applications Michael B. Viola, Steven J. Schmieg, Thompson M. Sloane, Patricia A. Mulawa, Jong-Hwan Lee +1 more 2012-05-29
7021047 Diesel exhaust aftertreatment device regeneration system Chris C. Crellin 2006-04-04
6981367 Hydrogen and oxygen generation from a water vapor containing exhaust Paul Childs, Anthony B. LaConti, Keith D. Patch, Norman D. Brinkman, David R. Monroe +1 more 2006-01-03