JC

Jeffrey Michael Calkins

ER Energy Recovery: 1 patents #6 of 12Top 50%
📍 Petersburg, MI: #3 of 6 inventorsTop 50%
🗺 Michigan: #3,372 of 9,630 inventorsTop 40%
Overall (2017): #382,339 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9683574 Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumps Felix Winkler 2017-06-20