SJ

Stephen D. Cofer, JR.

📍 Warren, PA: #15 of 119 inventorsTop 15%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #803,364 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12163449 Reduced parasitic lube system Nathaniel P. Hassall, John Jerl Purcell, III, David M. Barnes, Aaron S. Quinton, Reid M. Irish 2024-12-10
11719139 Reduced parasitic lube system Nathaniel P. Hassall, John Jerl Purcell, III, David M. Barnes, Aaron S. Quinton, Reid M. Irish 2023-08-08
11649851 Crankshaft thrust bearing 2023-05-16
11466600 Lubrication fluid filter bypass system Ella Michelle Morris, Nickolas A. Springmeyer 2022-10-11
10808607 Combustion chamber elasticity device John M. Antonevich, Reid M. Irish, Kent H. Clark, Garrett Blum, Michael Kosinski +2 more 2020-10-20
8122859 Nylon body located piston cooling nozzle Neal R. Phelps, Kent H. Clark, Eric D. Stahl, Kenneth L. Howard, John P. Cook 2012-02-28