Assignee
WHITEHALL CORP
18 patents
Top patents by PatentIndex Score
US3939468AFeb 17, 1976
Differential charge amplifier for marine seismic applications
WHITEHALL CORP150 citations91
US5412621AMay 2, 1995
Encapsulated hydrophone element for towed hydrophone array
WHITEHALL CORP31 citations90
US5400298AMar 21, 1995
Towed hydrophone streamer with distributed electronics housings
WHITEHALL CORP40 citations90
US4500980AFeb 19, 1985
Seismic streamer connector assembly
WHITEHALL CORP32 citations86
US4530075AJul 16, 1985
Marine seismic streamer coupler
WHITEHALL CORP20 citations72
US5408442AApr 18, 1995
Hydrophone element with filter circuit
WHITEHALL CORP9 citations71
US5592437AJan 7, 1997
Data collection and relay circuit for towed hydrophone array
WHITEHALL CORP9 citations70
US5631874AMay 20, 1997
Telemetry transmission protocol for towed hydrophone streamer
WHITEHALL CORP12 citations69
US5450369ASep 12, 1995
Telemetry transmission protocol for towed hydrophone streamer
WHITEHALL CORP7 citations69
US5583824ADec 10, 1996
Telemetry data transmission circuit having selectable clock source
WHITEHALL CORP14 citations68
US5523983AJun 4, 1996
Dual rope vibration isolation module for towed hydrophone streamer
WHITEHALL CORP14 citations67
US5367499ANov 22, 1994
Vibration isolation module for towed hydrophone streamer
WHITEHALL CORP16 citations67
US4796365AJan 10, 1989
Underwater compass sensor with compass dither
WHITEHALL CORP10 citations65
US4135141AJan 16, 1979
Marine seismic streamer with depth sensor calibrating means
WHITEHALL CORP17 citations65
US5513151AApr 30, 1996
Towed hydrophone streamer with integrated module coupler
WHITEHALL CORP6 citations59
US5579286ANov 26, 1996
Quiet geophysical construction practices for reduced diameter streamers
WHITEHALL CORP9 citations58
USD263218SMar 2, 1982
Housing for an arc suppressor
WHITEHALL CORP3 citations52
USD263217SMar 2, 1982
Housing for an arc suppressor
WHITEHALL CORP3 citations52