Pinehurst, Texas
United States
4
2015-07-16
The entities that hold a legal rights for patent applications filed by inventor McWhorter David J.:
David J. McWhorter from Pinehurst, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Blowout preventer system with three control pods
#2 | 2015-05-28BLOWOUT PREVENTER WITH PRESSURE-ISOLATED OPERATING PISTON ASSEMBLY
#3 | 2014-01-23Asymmetrical button for ram-type blowout preventers
#4 | 2014-01-23Blowout preventer with pressure-isolated operating piston assembly
619577 ⎘