Inventor
WATKINS BRUCE J
US45 patents
⚠️ This page may combine multiple inventors who share the name “WATKINS BRUCE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRIL QUIP INC
23 patentsUS4995464AFeb 26, 1991
Well apparatus and method
DRIL QUIP INC218 citations99
US5634671AJun 3, 1997
Riser connector
DRIL QUIP INC127 citations98
US5143158ASep 1, 1992
Subsea wellhead apparatus
DRIL QUIP INC144 citations98
US6035938AMar 14, 2000
Wellhead system and method for use in drilling a subsea well
DRIL QUIP INC71 citations96
US5687794ANov 18, 1997
Subsea wellhead apparatus
DRIL QUIP INC54 citations96
US6293345B1Sep 25, 2001
Apparatus for subsea wells including valve passageway in the wall of the wellhead housing for access to the annulus
DRIL QUIP INC49 citations93
US6050338AApr 18, 2000
Subsea wellhead apparatus
DRIL QUIP INC26 citations93
US5887659AMar 30, 1999
Riser for use in drilling or completing a subsea well
DRIL QUIP INC35 citations93
US5441311AAug 15, 1995
Connector with opposite moving cam rings
DRIL QUIP INC40 citations93
US5395183AMar 7, 1995
Offshore drilling apparatus
DRIL QUIP INC24 citations93
US5333911AAug 2, 1994
Connector
DRIL QUIP INC39 citations93
US5236037AAug 17, 1993
Unitized wellhead system
DRIL QUIP INC27 citations93
US6244347B1Jun 12, 2001
Subsea well drilling and/or completion apparatus
DRIL QUIP INC7 citations74
US6173782B1Jan 16, 2001
Cable connector
DRIL QUIP INC11 citations74
US5687793ANov 18, 1997
Apparatus for use in lowering a well pipe into alignment with a subsea conduit
DRIL QUIP INC7 citations74
US5323860AJun 28, 1994
Apparatus for connecting a diverter assembly to a blowout preventer stack
DRIL QUIP INC8 citations74
US5309991AMay 10, 1994
Wellhead connector
DRIL QUIP INC19 citations74
US5301750AApr 12, 1994
Wellhead apparatus
DRIL QUIP INC9 citations74
US5287925AFeb 22, 1994
Wellhead apparatus
DRIL QUIP INC9 citations74
US5211228AMay 18, 1993
Diverter system
DRIL QUIP INC12 citations74
US5244038ASep 14, 1993
Wellhead equipment
DRIL QUIP INC5 citations63
US5226493AJul 13, 1993
Well apparatus
DRIL QUIP INC3 citations63
US5515917AMay 14, 1996
Well apparatus
DRIL QUIP INC4 citations60
HUGHES TOOL CO
13 patentsUS4403658ASep 13, 1983
Multiline riser support and connection system and method for subsea wells
HUGHES TOOL CO76 citations96
US4469136ASep 4, 1984
Subsea flowline connector
HUGHES TOOL CO32 citations93
US4465134AAug 14, 1984
Tie-back connection apparatus and method
HUGHES TOOL CO29 citations93
US4457378AJul 3, 1984
Flowline pull-in apparatus and method
HUGHES TOOL CO33 citations93
US4456070AJun 26, 1984
Tieback connection method and apparatus
HUGHES TOOL CO30 citations93
US4428433AJan 31, 1984
Telescopic joint upper tube retainer method
HUGHES TOOL CO31 citations93
US4333526AJun 8, 1982
Annulus valve
HUGHES TOOL CO41 citations93
US4648747AMar 10, 1987
Integral buoyant riser
HUGHES TOOL CO25 citations91
US4595053AJun 17, 1986
Metal-to-metal seal casing hanger
HUGHES TOOL CO76 citations91
US4358085ANov 9, 1982
Keying means for segmented end ring blowout preventer
HUGHES TOOL CO29 citations91
US4499950AFeb 19, 1985
Wellhead stabilization
HUGHES TOOL CO21 citations82
US4374595AFeb 22, 1983
Metal to metal sealed joint for tubing string
HUGHES TOOL CO27 citations82
US4491439AJan 1, 1985
Tendon latch
HUGHES TOOL CO16 citations74
REGAN OFFSHORE INT
7 patentsUS4326584AApr 27, 1982
Kelly packing and stripper seal protection element
REGAN OFFSHORE INT62 citations96
US3992889ANov 23, 1976
Flotation means for subsea well riser
REGAN OFFSHORE INT83 citations95
US4200312AApr 29, 1980
Subsea flowline connector
REGAN OFFSHORE INT56 citations93
US3952526AApr 27, 1976
Flexible supportive joint for sub-sea riser flotation means
REGAN OFFSHORE INT98 citations93
US4183562AJan 15, 1980
Marine riser conduit section coupling means
REGAN OFFSHORE INT102 citations92
US4135841AJan 23, 1979
Mud flow heave compensator
REGAN OFFSHORE INT25 citations82
US4326328AApr 27, 1982
Method of releasably connecting a pair of pipes
REGAN OFFSHORE INT5 citations63