JB

Jeffrey F. Birkel

Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Peoria, IL: #577 of 1,769 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,560,997 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7942074 Gearbox with synchronizing clutch Alan J. Griffiths 2011-05-17
7793562 Transmission and shift method Stuart J. Walker 2010-09-14
5925857 Inverted cone tuned exhaust system Paul T. Corcoran 1999-07-20