Richard R. Watson

GV Gilmore Valve: 12 patents #1 of 12Top 9%

NC National Coupling Company: 6 patents #4 of 16Top 25%

HS Hunting Energy Services: 3 patents #3 of 29Top 15%

HS Halliburton Energy Services: 1 patents #2,863 of 4,711Top 65%

📍 Missouri City, TX: #38 of 1,012 inventorsTop 4%

🗺 Texas: #4,299 of 125,132 inventorsTop 4%

Overall (All Time): #138,557 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
4793590	Piloted check valve	—	1988-12-27
4493335	Shear valve	—	1985-01-15
4456028	Relief gate valve	—	1984-06-26