Inventor

HAGER KEITH A

US2 patents

Patents

2 patents

US9500045B2Nov 22, 2016

Reciprocating and rotating section and methods in a drilling system

CANRIG DRILLING TECH LTD6 citations67

US9725968B2Aug 8, 2017

Force application reduction employing actuator and thrust bearing

CANRIG DRILLING TECH LTD0 citations25