JH

John E. Hey

NV National Oilwell Varco: 3 patents #88 of 551Top 20%
AI Amca International: 2 patents #10 of 63Top 20%
MI Mcdermott Incorporated: 1 patents #8 of 21Top 40%
📍 Spring, TX: #530 of 2,039 inventorsTop 30%
🗺 Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #997,219 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9463963 Deep water knuckle boom crane 2016-10-11
9290362 Remote heave compensation system 2016-03-22
9284161 Self-balancing spreader beam 2016-03-15
4892202 Deepwater extended hook travel attachment Pierre C. Delago, James A. Carlson 1990-01-09
4721286 Split block for extended travel H. Patrick Ragland 1988-01-26