Inventor
FOWLER JOHN T
27 patents
⚠️ This page may combine multiple inventors who share the name “FOWLER JOHN T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LAITRAM CORP
20 patentsUS4711194ADec 8, 1987
Streamer interface adapter cable mounted leveler
LAITRAM CORP110 citations96
US4031630AJun 28, 1977
Calibration apparatus for automatic magnetic compass correction
LAITRAM CORP113 citations96
US4698912AOct 13, 1987
Magnetic compass calibration
LAITRAM CORP72 citations94
US4631711ADec 23, 1986
System for removably housing and aligning components in a towed array
LAITRAM CORP33 citations92
US4093946AJun 6, 1978
Two-wire, multiple-transducer communications system
LAITRAM CORP34 citations92
US4024382AMay 17, 1977
Loran compensated magnetic compass
LAITRAM CORP53 citations92
US4725995AFeb 16, 1988
System for removably housing and aligning components in a towed array
LAITRAM CORP15 citations74
US4671120AJun 9, 1987
Combined heading and depth sensor
LAITRAM CORP16 citations74
US4503621AMar 12, 1985
Solid state compass
LAITRAM CORP9 citations74
US4471534ASep 18, 1984
Remote reading compass with 360 degree roll capability
LAITRAM CORP7 citations74
US4103638AAug 1, 1978
Automatic piloting system
LAITRAM CORP8 citations74
US4047168ASep 6, 1977
Digital compass and gimbal assembly for two conductor connection
LAITRAM CORP19 citations74
US4038528AJul 26, 1977
Automatic piloting system
LAITRAM CORP15 citations74
US3975621AAug 17, 1976
Digital compass averaging circuit
LAITRAM CORP11 citations74
US3944813AMar 16, 1976
Photoelectric control circuit for digital magnetic compass
LAITRAM CORP12 citations74
US4027398AJun 7, 1977
Single pivot remote reading compass
LAITRAM CORP12 citations66
US4004348AJan 25, 1977
High pressure compass housing
LAITRAM CORP7 citations66
US4443795AApr 17, 1984
Remote indicator for displaying transmitted data by angular displacement
LAITRAM CORP6 citations63
US4425716AJan 17, 1984
Floating non-gimballed compass
LAITRAM CORP2 citations63
US3948437AApr 6, 1976
Automated pelorus system
LAITRAM CORP1 citations52
DIGICOURSE INC
4 patentsUS4912684AMar 27, 1990
Seismic streamer communication system
DIGICOURSE INC62 citations96
US5105548AApr 21, 1992
Apparatus and method for determining azimuth, pitch and roll
DIGICOURSE INC23 citations92
US4843865AJul 4, 1989
Method of calibrating a compass heading
DIGICOURSE INC27 citations92
US5010653AApr 30, 1991
Apparatus and method for determining azimuth, pitch and roll
DIGICOURSE INC13 citations73