Assignee
SONATECH INC
US·8 granted patents·196 citations·filing 1979–1995
Top patents by PatentIndex Score
8 records- 0180US5513886AUndersea release apparatusSONATECH INC·Filed 1993·Granted May 7, 1996·39 cites·21 claims
- 0267US5659520ASuper short baseline navigation using phase-delay processing of spread-spectrum-coded reply signalsSONATECH INC·Filed 1995·Granted Aug 19, 1997·69 cites·13 claims
- 0362US4401987ARanging system having reduced recognition jitterSONATECH INC·Filed 1979·Granted Aug 30, 1983·17 cites·34 claims
- 0458US4924446ANavigation system and method for determining the position of a relatively noisy platform using underwater transpondersSONATECH INC·Filed 1989·Granted May 8, 1990·21 cites·9 claims
- 0555US5444670AMethod and apparatus for determining soil strength from Doppler-shifted acoustic signaturesSONATECH INC·Filed 1994·Granted Aug 22, 1995·18 cites·16 claims
- 0640US5504685AMethod and apparatus for routing an underwater cable systemSONATECH INC·Filed 1994·Granted Apr 2, 1996·11 cites·18 claims
- 0733US5557584AModerate depth underwater surveillance systemSONATECH INC·Filed 1995·Granted Sep 17, 1996·13 cites·21 claims
- 0829US5493895AModular penetrometerSONATECH INC·Filed 1994·Granted Feb 27, 1996·8 cites·20 claims
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