NH

Neil Herst

VI Varco I/P: 2 patents #61 of 168Top 40%
BJ Bj-Hughes: 1 patents #7 of 19Top 40%
Overall (All Time): #1,594,517 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7083007 Fingerboard with pneumatically actuated finger latches — 2006-08-01
6976546 Drilling mud filtration device — 2005-12-20
4333209 Rotary power slips — 1982-06-08