Inventor
SHENG HUI CHUN
CN5 patents
⚠️ This page may combine multiple inventors who share the name “SHENG HUI CHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DONNALLY ROBERT BENJAMIN
4 patentsUS8468753B2Jun 25, 2013
Drilling rigs and erection methods
DONNALLY ROBERT BENJAMIN63 citations95
US8250816B2Aug 28, 2012
Drilling rig structure installation and methods
DONNALLY ROBERT BENJAMIN74 citations93
US8549815B2Oct 8, 2013
Drilling rig masts and methods of assembly and erecting masts
DONNALLY ROBERT BENJAMIN45 citations92
US9441423B2Sep 13, 2016
Drilling rig masts and methods of assembly and erection
DONNALLY ROBERT BENJAMIN23 citations90