Coppell, Texas
United States
6
2015-11-05
The entities that hold a legal rights for patent applications filed by inventor Webber Andrew John:
Andrew John Webber from Coppell, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Composite wellbore ball valve
#2 | 2014-08-07Debris anti-compaction system for ball valves
#3 | 2013-08-22Decoupling a remote actuator of a well tool
#4 | 2013-08-15Debris anti-compaction system for ball valves
#5 | 2013-04-18Independent dual actuated subsurface safety valve
#6 | 2012-11-01Load balancing spherical diameter single seat ball system
192000 ⎘