LD

Larry D. Douglas

OI Oceaneering International: 2 patents #67 of 280Top 25%
HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Cypress, TX: #294 of 1,064 inventorsTop 30%
🗺 Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #1,051,552 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5988281 Engageable metal seal pressure balanced stab Jon Buck 1999-11-23
5738172 Filter for fluid circuits Brian J. van Mook, Mario R. Lugo, Terry Lee McInturff 1998-04-14
5469528 Neural load disturbance analyzer Clarence W. Hutchinson, Jr. 1995-11-21
4707041 Subsea well electrical coupling system Sheldon L. Kovit, Emil J. Tousek 1987-11-17
4640163 Umbilical safety joint 1987-02-03