Inventor

HOLST KATHERINE J

US3 patents

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

PATTERSON-UTI DRILLING COMPANY LLC

2 patents

US9512676B2Dec 6, 2016

Mast leg pulley

PATTERSON-UTI DRILLING COMPANY LLC4 citations66

US9500040B2Nov 22, 2016

Blowout preventer trolley

PATTERSON-UTI DRILLING COMPANY LLC4 citations66

PATTERSON UTI DRILLING COMPANY LLC

1 patent

US10273708B2Apr 30, 2019

Mast transport skid

PATTERSON UTI DRILLING COMPANY LLC6 citations66