RC

Robert Charles Calderwood

Caterpillar: 2 patents #2,982 of 8,398Top 40%
📍 Peoria, IL: #777 of 1,769 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #1,864,802 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10883613 Elliptical ball valve seal 2021-01-05
10208683 Electrical monitoring of gaseous fuel admission valves Eike Joachim Sixel, Hannes Marscheider, Daniel Wester, Arvind Sivasubramanian, Travis E. Barnes +3 more 2019-02-19