Inventor

OLSTAD DELANEY MICHAEL

US6 patents

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

HEIDECKE KARSTEN

2 patents

US8727021B2May 20, 2014

Top drive system

HEIDECKE KARSTEN34 citations95

US8210268B2Jul 3, 2012

Top drive system

HEIDECKE KARSTEN46 citations95

WEATHERFORD TECH HOLDINGS LLC

2 patents

US9528326B2Dec 27, 2016

Method of using a top drive system

WEATHERFORD TECH HOLDINGS LLC26 citations93

US10400512B2Sep 3, 2019

Method of using a top drive system

WEATHERFORD TECH HOLDINGS LLC0 citations51

OLSTAD DELANEY MICHAEL

1 patent

US8141642B2Mar 27, 2012

Fill up and circulation tool and mudsaver valve

OLSTAD DELANEY MICHAEL43 citations92

WEATHERFORD LAMB

1 patent

US7926577B2Apr 19, 2011

Methods and apparatus for supporting tubulars

WEATHERFORD LAMB11 citations83