Inventor
WHITBY MELVYN F
US23 patents
⚠️ This page may combine multiple inventors who share the name “WHITBY MELVYN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAMERON INT CORP
12 patentsUS7921917B2Apr 12, 2011
Multi-deployable subsea stack system
CAMERON INT CORP50 citations96
US7300033B1Nov 27, 2007
Blowout preventer operator locking system
CAMERON INT CORP46 citations94
US8640775B2Feb 4, 2014
Multi-deployable subsea stack system
CAMERON INT CORP13 citations91
US7374146B2May 20, 2008
Dual-cylinder blowout preventer operator system
CAMERON INT CORP22 citations91
US10233716B2Mar 19, 2019
Blowout preventer including blind seal assembly
CAMERON INT CORP8 citations83
US9140090B2Sep 22, 2015
Subsea pressure reduction system
CAMERON INT CORP11 citations83
US7338027B1Mar 4, 2008
Fluid saving blowout preventer operator system
CAMERON INT CORP13 citations83
US8365830B2Feb 5, 2013
Multi-deployable subsea stack system
CAMERON INT CORP8 citations82
US9957768B2May 1, 2018
Subsea pressure reduction system
CAMERON INT CORP4 citations72
US7559523B2Jul 14, 2009
Dual-cylinder blowout preventer operator system
CAMERON INT CORP4 citations61
US7533865B2May 19, 2009
Blowout preventer operator locking system
CAMERON INT CORP4 citations61
US7637474B2Dec 29, 2009
Fluid saving blowout preventer operator system
CAMERON INT CORP0 citations51
VARCO SHAFFER INC
3 patentsUS5400857AMar 28, 1995
Oilfield tubular shear ram and method for blowout prevention
VARCO SHAFFER INC113 citations95
US5505426AApr 9, 1996
Hydraulically controlled blowout preventer
VARCO SHAFFER INC98 citations94
US5575452ANov 19, 1996
Blowout preventer with ram wedge locks
VARCO SHAFFER INC109 citations93