BT

Billy H. Towell

Chevron: 3 patents #1,350 of 4,788Top 30%
📍 Houston, TX: #6,659 of 21,073 inventorsTop 35%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,686,072 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4306428 Torque drive mechanism Reynaldo Calderon 1981-12-22
4237978 Method for cleaning a helical spring sand screen in a well Reynaldo Calderon 1980-12-09
4201266 Rotatable washer self-cleaning helical spring screen and methods Reynaldo Calderon 1980-05-06