Westhill
United Kingdom
4
2019-12-12
The entities that hold a legal rights for patent applications filed by inventor MURPHY Thomas:
Thomas MURPHY from Westhill, GB has applied for patents for these inventions. The list has both pending applications and granted patents:
Hydrostatic equalizing stem check valve
#2 | 2019-02-28Packer/Plug Slip and Cage With Travel Stop
#3 | 2018-09-06Packing element having a bonded petal anti-extrusion device
#4 | 2017-06-22Downhole service tool employing a tool body with a latching profile and a shifting key with multiple profiles
1909378 ⎘