Inventor

HAVENS DAVID J

US6 patents

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

MOUTON DAVID E

1 patent

US8733447B2May 27, 2014

Landing string compensator

MOUTON DAVID E11 citations82

WEATHERFORD TECHNOLOGY HOLDINGS LLC

1 patent

US9353603B2May 31, 2016

Landing string compensator

WEATHERFORD TECHNOLOGY HOLDINGS LLC1 citations61

WEATHERFORD LAMB

1 patent

US9212527B2Dec 15, 2015

Pipe handling system

WEATHERFORD LAMB0 citations51

WEATHERFORD TECH HOLDINGS LLC

1 patent

US9650873B2May 16, 2017

Landing string compensator

WEATHERFORD TECH HOLDINGS LLC0 citations50

HEIDECKE KARSTEN

1 patent

US8833470B2Sep 16, 2014

Pipe handling system

HEIDECKE KARSTEN0 citations49

FORUM ENERGY TECHNOLOGIES INC

1 patent

US8919841B2Dec 30, 2014

Method and apparatus for attachment of a secondary tool handling device to a primary tool handling device

FORUM ENERGY TECHNOLOGIES INC1 citations42