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Dallas, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Telemetry transmission protocol for towed hydrophone streamer
Patent number
5,631,874
Issue date
May 20, 1997
Whitehall Corporation
Robert H. Mastin
G01 - MEASURING TESTING
Information
Patent Grant
Data collection and relay circuit for towed hydrophone array
Patent number
5,592,437
Issue date
Jan 7, 1997
Whitehall Corporation
Bruce Elliott
G01 - MEASURING TESTING
Information
Patent Grant
Telemetry data transmission circuit having selectable clock source
Patent number
5,583,824
Issue date
Dec 10, 1996
Whitehall Corporation
Deane D. Fletcher
G01 - MEASURING TESTING
Information
Patent Grant
Quiet geophysical construction practices for reduced diameter strea...
Patent number
5,579,286
Issue date
Nov 26, 1996
Whitehall Corporation
Robert D. Skorheim
G01 - MEASURING TESTING
Information
Patent Grant
Dual rope vibration isolation module for towed hydrophone streamer
Patent number
5,523,983
Issue date
Jun 4, 1996
Whitehall Corporation
Charles L. Morningstar
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Towed hydrophone streamer with integrated module coupler
Patent number
5,513,151
Issue date
Apr 30, 1996
Whitehall Corporation
Charles L. Morningstar
G01 - MEASURING TESTING
Information
Patent Grant
Telemetry transmission protocol for towed hydrophone streamer
Patent number
5,450,369
Issue date
Sep 12, 1995
Whitehall Corporation
Robert H. Mastin
G01 - MEASURING TESTING
Information
Patent Grant
Encapsulated hydrophone element for towed hydrophone array
Patent number
5,412,621
Issue date
May 2, 1995
Whitehall Corporation
John S. Hepp
G01 - MEASURING TESTING
Information
Patent Grant
Hydrophone element with filter circuit
Patent number
5,408,442
Issue date
Apr 18, 1995
Whitehall Corporation
John S. Hepp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Towed hydrophone streamer with distributed electronics housings
Patent number
5,400,298
Issue date
Mar 21, 1995
Whitehall Corporation
John S. Hepp
G01 - MEASURING TESTING
Information
Patent Grant
Vibration isolation module for towed hydrophone streamer
Patent number
5,367,499
Issue date
Nov 22, 1994
Whitehall Corporation
Charles L. Morningstar
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Underwater compass sensor with compass dither
Patent number
4,796,365
Issue date
Jan 10, 1989
Whitehall Corporation
Brian R. Hudson
G01 - MEASURING TESTING
Information
Patent Grant
Marine seismic streamer coupler
Patent number
4,530,075
Issue date
Jul 16, 1985
Whitehall Corporation
Raymond H. Pearson
G01 - MEASURING TESTING
Information
Patent Grant
Seismic streamer connector assembly
Patent number
4,500,980
Issue date
Feb 19, 1985
Whitehall Corporation
James R. Copeland
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Housing for an arc suppressor
Patent number
D263218
Issue date
Mar 2, 1982
Whitehall Corporation
William E. Kauffman
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Housing for an arc suppressor
Patent number
D263217
Issue date
Mar 2, 1982
Whitehall Corporation
William E. Kauffman
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Marine seismic streamer with depth sensor calibrating means
Patent number
4,135,141
Issue date
Jan 16, 1979
Whitehall Corporation
Stephen A. Caldwell
G01 - MEASURING TESTING
Information
Patent Grant
Differential charge amplifier for marine seismic applications
Patent number
3,939,468
Issue date
Feb 17, 1976
Whitehall Corporation
Robert H. Mastin
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74432993 - HYDROSCIENCE H
Serial number
74432993
Registration number
1988831
Filing date
Sep 7, 1993
Whitehall Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74376901 - CMUX
Serial number
74376901
Filing date
Apr 8, 1993
Whitehall Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74376921 - CENTURYMUX
Serial number
74376921
Registration number
1912294
Filing date
Apr 8, 1993
Whitehall Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments