John N. Troxell, Jr.

CW Cameron Iron Works: 5 patents #4 of 76Top 6%

📍 Houston, TX: #4,499 of 21,073 inventorsTop 25%

🗺 Texas: #28,318 of 125,132 inventorsTop 25%

Overall (All Time): #1,063,956 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4761023	Telescoping joint	—	1988-08-02
4601232	Rod locking device	—	1986-07-22
4537250	Shearing type blowout preventer	—	1985-08-27
4253638	Blowout preventer	—	1981-03-03
4201242	Pressure relief valve	—	1980-05-06