Conroe, Texas
United States
8
2023-05-18
The entities that hold a legal rights for patent applications filed by inventor RITCHIE Sheldon:
Sheldon RITCHIE from Conroe, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Downhole vibration tool
#2 | 2020-08-25Rotor catch for bottomhole assembly
#3 | 2020-07-09Compound angle bearing assembly
#4 | 2019-01-31Articulated universal joint with backlash reduction
#5 | 2018-10-11Method and apparatus for generating a low frequency pulse in a wellbore
#6 | 2018-04-26Compound angle bearing assembly
#7 | 2018-03-08Drilling dynamics data recorder
#8 | 2016-10-27Offset shaft bearing assembly
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