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Inventor

CHRETIEN TODD ULRICH

US8 patents
⚠️ This page may combine multiple inventors who share the name “CHRETIEN TODD ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PETROQUIP ENERGY SERVICES LLP

3 patents
US8567509B1Oct 29, 2013

Downhole tool

PETROQUIP ENERGY SERVICES LLP7 citations81
US7926569B1Apr 19, 2011

Bypass device for wellbores

PETROQUIP ENERGY SERVICES LLP6 citations61
US7926595B1Apr 19, 2011

Filter sub

PETROQUIP ENERGY SERVICES LLP0 citations40

PACKERS PLUS ENERGY SERVICES USA INC

2 patents
US10443347B2Oct 15, 2019

Downhole completion tool

PACKERS PLUS ENERGY SERVICES USA INC0 citations44
US10107074B2Oct 23, 2018

Downhole completion tool

PACKERS PLUS ENERGY SERVICES USA INC0 citations44

DARNELL WILLIAM JOHN

1 patent
US8141648B2Mar 27, 2012

Multiple-positioning mechanical shifting system and method

DARNELL WILLIAM JOHN8 citations80

WINTILL CHARLES DAVID

1 patent
US8220555B1Jul 17, 2012

Downhole tool shifting mechanism and method for shifting a downhole tool

WINTILL CHARLES DAVID18 citations79

KIPPOLA KEVIN SCOTT

1 patent
US9664008B2May 30, 2017

Downhole completion tool

KIPPOLA KEVIN SCOTT2 citations64