GF

Gregory N. Feld

Caterpillar: 2 patents #2,982 of 8,398Top 40%
BE Bucyrus Erie: 1 patents #6 of 24Top 25%
BI Bucyrus Intl.: 1 patents #9 of 30Top 30%
Overall (All Time): #1,205,470 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9400014 Rotating assembly for machine 2016-07-26
8272151 Hoist and drag system for mining William Ries, Robert Vallier, Eric Evenson 2012-09-25
6752282 Swing drive assembly Robert F. Brown, Carl D. Gilmore 2004-06-22
5205657 Thrust cage roller circle 1993-04-27