Inventor
NELSON DAVID E
24 patents
⚠️ This page may combine multiple inventors who share the name “NELSON DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYDROACOUSTIC INC
11 patentsUS4294513AOct 13, 1981
Optical sensor system
HYDROACOUSTIC INC93 citations96
US4628493ADec 9, 1986
Sensor system with time division multiplexing telemetry
HYDROACOUSTIC INC71 citations93
US5212490AMay 18, 1993
Echo ranging system for detecting velocity and range of targets using composite doppler invariant-like transmissions with suppression of false targets
HYDROACOUSTIC INC21 citations92
US5212489AMay 18, 1993
Echo ranging system for detecting velocity of targets using composite doppler invariant transmissions
HYDROACOUSTIC INC22 citations92
US4799201AJan 17, 1989
Methods and apparatus for reducing correlation sidelobe interference in seismic profiling systems
HYDROACOUSTIC INC37 citations92
US4188610AFeb 12, 1980
Method of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical exploration
HYDROACOUSTIC INC36 citations92
US4509170AApr 2, 1985
Time division multiplex transmission of submultiplex sequences of signals from sections of a chain of data acquisition units
HYDROACOUSTIC INC45 citations89
US4313192AJan 26, 1982
Optical transducer array system
HYDROACOUSTIC INC23 citations82
US4204278AMay 20, 1980
Methods and apparatus for the generation and transmission of signals for echo location and other signalling purposes, as in geophysical exploration
HYDROACOUSTIC INC19 citations82
US4758997AJul 19, 1988
Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration
HYDROACOUSTIC INC10 citations74
US4729066AMar 1, 1988
Method and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical exploration
HYDROACOUSTIC INC9 citations72
CATERPILLAR INC
8 patentsUS5365803ANov 22, 1994
Steering and transmission shifting control device
CATERPILLAR INC56 citations94
US5489005AFeb 6, 1996
Electro-hydraulic steering system
CATERPILLAR INC53 citations92
US4836318AJun 6, 1989
Track roller frame assembly
CATERPILLAR INC32 citations92
US4781257ANov 1, 1988
Suspension structure for a tracked vehicle
CATERPILLAR INC44 citations92
US5579863ADec 3, 1996
Steering system for an articulated machine
CATERPILLAR INC21 citations90
US5280955AJan 25, 1994
Construction for a rollover protection structure
CATERPILLAR INC37 citations89
US4727962AMar 1, 1988
Movable sensing apparatus
CATERPILLAR INC17 citations74
US9623429B1Apr 18, 2017
Spray pattern adjustment system for a spray head
CATERPILLAR INC4 citations62
DELPHI TECH INC
3 patentsUS7217905B2May 15, 2007
Weld filler metal that reduces residual stress and distortion
DELPHI TECH INC5 citations62
US6893617B2May 17, 2005
Apparatus and method for retention of non-thermal plasma reactor
DELPHI TECH INC3 citations60
US7078000B2Jul 18, 2006
Apparatus and method for mat protection of non-thermal plasma reactor
DELPHI TECH INC5 citations59