AH

Alan W. Hayman

General Motors: 7 patents #7 of 467Top 2%
📍 Romeo, MI: #1 of 18 inventorsTop 6%
🗺 Michigan: #69 of 6,370 inventorsTop 2%
Overall (2003): #4,700 of 273,478Top 2%
7
Patents 2003

Issued Patents 2003

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6668546 Utilization of air-assisted direct injection, cylinder deactivation and camshaft phasing for improved catalytic converter light-off in internal combustion engines Gary J. Patterson 2003-12-30
6651611 Combustion chamber for swirl flow two valve spark ignition direct injection engine Andreas M. Lippert, Alexandros C. Alkidas, Ko-Jen Wu, William R. Matthes, Jennifer L. Liedtke +3 more 2003-11-25
6644437 Vehicle exhaust with length-equalizing muffler 2003-11-11
6601557 Engine oil pump and balance shaft module David R. Staley, Rolland D. Giampa 2003-08-05
6505589 Single cam three-valve engine overhead valve train James J. Mazzola, III, Frederick J. Rozario, Terry Wayne Black 2003-01-14
6505592 Valve train for twin cam three-valve engine James J. Mazzola, III 2003-01-14
6505591 Valve train with assembly guides Terry Wayne Black 2003-01-14