Porter, Texas
United States
7
2019-08-22
The entities that hold a legal rights for patent applications filed by inventor Hern Christopher R.:
Christopher R. Hern from Porter, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Lock ring segments biased into locked position while retained in position with an exterior profile
#2 | 2019-04-25Actuating force control for downhole tools
#3 | 2018-12-13Hydraulically set open hole whipstock
#4 | 2018-08-09Hydraulically set open hole whipstock
#5 | 2017-05-18Watermelon mill with replaceable cutting structure
#6 | 2015-06-25Top down liner cementing, rotation and release method
#7 | 2014-11-20Slip with altering load distribution feature
971919 ⎘