Houston, Texas
United States
4
2022-01-27
The entities that hold a legal rights for patent applications filed by inventor Cabrera Rogelio:
Rogelio Cabrera from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Direct drive drawworks
#2 | 2018-09-06Motor assembly for drawworks systems and methods
#3 | 2018-09-06Drawworks systems and methods
#4 | 2018-04-12Drawworks gearbox with redundant braking on input side
2162000 ⎘