Whitehall Corporation
Dallas, TX, US· latest recorded location
Whitehall Corporation is named on 18 US grants and 0 published applications in this corpus. Its most frequent classification is G01V (Geophysics).
- Granted patents
- 18
- Published applications
- 0
- Inventors
- 15
- Granted in 2026 so far
- 0
- Most recent grant
- 20 May 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
By publication year.
Technology areas
Share of 18 documents
- G01VGeophysics13
- B63BShips or other waterborne vessels2
- H01RElectrically-conductive connections2
- H02GInstallation of electric cables or lines, or of combined optical and electric2
- G01CMeasuring distances, levels or bearings1
- G01SRadio direction-finding1
- H03FAmplifiers1
- H03HImpedance networks1
- H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers1
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1
Recent patents
- Telemetry transmission protocol for towed hydrophone streamer20 May 1997US 5,631,874 A
- Data collection and relay circuit for towed hydrophone array7 Jan 1997US 5,592,437 A
- Telemetry data transmission circuit having selectable clock source10 Dec 1996US 5,583,824 A
- Quiet geophysical construction practices for reduced diameter streamers26 Nov 1996US 5,579,286 A
- Dual rope vibration isolation module for towed hydrophone streamer4 Jun 1996US 5,523,983 A
No published applications.
Most cited
By later US patents
- Differential charge amplifier for marine seismic applications137US 3,939,468 A1976
- Seismic streamer connector assembly22US 4,500,980 A1985
- Towed hydrophone streamer with distributed electronics housings20US 5,400,298 A1995
- Encapsulated hydrophone element for towed hydrophone array14US 5,412,621 A1995
- Vibration isolation module for towed hydrophone streamer11US 5,367,499 A1994