Inventor
KOTRLA JOHNNIE E
US13 patents
⚠️ This page may combine multiple inventors who share the name “KOTRLA JOHNNIE E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAMERON INT CORP
8 patentsUS7921917B2Apr 12, 2011
Multi-deployable subsea stack system
CAMERON INT CORP50 citations96
US8640775B2Feb 4, 2014
Multi-deployable subsea stack system
CAMERON INT CORP13 citations91
US7779917B2Aug 24, 2010
Subsea connection apparatus for a surface blowout preventer stack
CAMERON INT CORP26 citations90
US9115563B2Aug 25, 2015
BOP stack with a universal intervention interface
CAMERON INT CORP5 citations82
US8365830B2Feb 5, 2013
Multi-deployable subsea stack system
CAMERON INT CORP8 citations82
US9976375B2May 22, 2018
Blowout preventer shut-in assembly of last resort
CAMERON INT CORP3 citations69
US9303479B2Apr 5, 2016
Subsea differential-area accumulator
CAMERON INT CORP3 citations68
US9085951B2Jul 21, 2015
Subsea connection apparatus for a surface blowout preventer stack
CAMERON INT CORP2 citations60
KOTRLA JOHNNIE E
5 patentsUS8746345B2Jun 10, 2014
BOP stack with a universal intervention interface
KOTRLA JOHNNIE E23 citations90
US9033049B2May 19, 2015
Blowout preventer shut-in assembly of last resort
KOTRLA JOHNNIE E19 citations88
US8136598B2Mar 20, 2012
Subsea connection apparatus for a surface blowout preventer stack
KOTRLA JOHNNIE E10 citations81
US8833465B2Sep 16, 2014
Subsea differential-area accumulator
KOTRLA JOHNNIE E13 citations79
US8695691B2Apr 15, 2014
Subsea connection apparatus for a surface blowout preventer stack
KOTRLA JOHNNIE E0 citations49