Calgary
Canada
7
2023-06-29
The entities that hold a legal rights for patent applications filed by inventor MCDOUGALL Patrick:
Patrick MCDOUGALL from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Floor wrench for a drilling rig
#2 | 2020-09-03Floor wrench for a drilling rig
#3 | 2018-10-18Modified die block for drilling rig floor wrench
#4 | 2018-02-15Transitioning pipe handler
#5 | 2016-11-24Spinner wrench for a drilling rig
#6 | 2016-11-17Integrated roller-gearbox for spinner wrench
#7 | 2016-04-14Floor wrench for a drilling rig
1499175 ⎘