RH

Robert C. Houlgrave

HC Hughes Tool Company: 3 patents #26 of 224Top 15%
AI Acf Industries Incorporated: 1 patents #87 of 178Top 50%
📍 Houston, TX: #5,364 of 21,073 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,303,920 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4770248 Device to orient electrical connectors in a subsea well Thomas J. Ames, Anthony J. Masciopinto, Glen H. Cuiper, Gary A. Shaw 1988-09-13
4721132 Subsea flowline quick disconnect coupling 1988-01-26
4648747 Integral buoyant riser Bruce J. Watkins, Albert M. Regan, Bruce L. Crager, Gary L. Fox 1987-03-10
4258743 Expanding gate valve having mechanically secured seats Roy R. Dare, William S. Shelton 1981-03-31