RS

Robert M. Siewert

General Motors: 5 patents #3,082 of 18,328Top 20%
📍 Birmingham, MI: #220 of 851 inventorsTop 30%
🗺 Michigan: #18,390 of 86,293 inventorsTop 25%
Overall (All Time): #1,031,402 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7467615 Method and apparatus to control fuel injection 2008-12-23
7464689 Method and apparatus for controlling fuel injection into an engine 2008-12-16
5131224 Method for reducing methane exhaust emissions from natural gas fueled engines Patricia J. Mitchell 1992-07-21
4480613 Catalytic late direct injection spark ignition engine 1984-11-06
4191150 Engine with selective venting of unburned mixture from the piston crevice volume 1980-03-04