Inventor
HOPPER HANS P
GB24 patents
⚠️ This page may combine multiple inventors who share the name “HOPPER HANS P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRITISH PETROLEUM CO PLC
14 patentsUS5085277AFeb 4, 1992
Sub-sea well injection system
BRITISH PETROLEUM CO PLC119 citations98
US5070944ADec 10, 1991
Down hole electrically operated safety valve
BRITISH PETROLEUM CO PLC103 citations96
US4920811AMay 1, 1990
Fail-safe release actuator mechanism
BRITISH PETROLEUM CO PLC74 citations96
US4732215AMar 22, 1988
Subsea oil production system
BRITISH PETROLEUM CO PLC56 citations96
US4900433AFeb 13, 1990
Vertical oil separator
BRITISH PETROLEUM CO PLC101 citations94
US4848475AJul 18, 1989
Sea bed process complex
BRITISH PETROLEUM CO PLC96 citations94
US5040606AAug 20, 1991
Annulus safety valve
BRITISH PETROLEUM CO PLC52 citations92
US5005650AApr 9, 1991
Multi-purpose well head equipment
BRITISH PETROLEUM CO PLC46 citations92
US4850743AJul 25, 1989
Template levelling device
BRITISH PETROLEUM CO PLC25 citations92
US4806114AFeb 21, 1989
Underwater electrically conductive coupling
BRITISH PETROLEUM CO PLC24 citations92
US5007852AApr 16, 1991
Electrical cable assembly
BRITISH PETROLEUM CO PLC31 citations91
US4903774AFeb 27, 1990
Annulus shut-off mechanism
BRITISH PETROLEUM CO PLC72 citations89
US5107930AApr 28, 1992
Guide line attachment
BRITISH PETROLEUM CO PLC20 citations82
US4684291AAug 4, 1987
Template levelling device
BRITISH PETROLEUM CO PLC4 citations63
COOPER CAMERON CORP
3 patentsBRITISH PETROLEUM CO
3 patentsHOPPER HANS P
3 patentsUS5307886AMay 3, 1994
Method for casing a hole drilled in a formation
HOPPER HANS P27 citations91
US9719483B2Aug 1, 2017
Method and apparatus for generating energy from a flowing water current
HOPPER HANS P2 citations72
US9689368B2Jun 27, 2017
Method and apparatus for energy generation
HOPPER HANS P3 citations72