Inventor

EIS ANDREW JOHN

US2 patents

⚠️ This page may combine multiple inventors who share the name “EIS ANDREW JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLIBURTON ENERGY SERVICES INC

1 patent

US11326409B2May 10, 2022

Frac plug setting tool with triggered ball release capability

HALLIBURTON ENERGY SERVICES INC1 citations53

STEWART TOMMY

1 patent

US8511383B2Aug 20, 2013

Bottom hole assembly

STEWART TOMMY2 citations51