Inventor

SIBILLE MARK S

US4 patents

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

FRANKS CASING CREW & RENTAL

2 patents

US5099725AMar 31, 1992

Torque transfer apparatus

FRANKS CASING CREW & RENTAL69 citations93

US4972741ANov 27, 1990

Isolated torsional-transfer combined tong apparatus

FRANKS CASING CREW & RENTAL43 citations89

CASING FRANK S CREW & RENTAL

1 patent

US6520709B1Feb 18, 2003

Variable length/capacity elevator links

CASING FRANK S CREW & RENTAL41 citations91

BOULIGNY VERNON J

1 patent

US9080398B2Jul 14, 2015

Wellbore tubular running devices, systems and methods

BOULIGNY VERNON J1 citations44