Sonatech, Inc.
9Patents
0Active
9Granted
30Portfolio score
Filing activity: Apr 3, 1979 → Aug 8, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5666900A | Method and apparatus for deploying an expendable autonomous underwater vehicle from a submarine | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5659520A | Super short baseline navigation using phase-delay processing of spread-spectrum-coded reply signals | Physics | 31 | Expired |
| US5513886A | Undersea release apparatus | Performing Operations; Transporting | 12 | Expired |
| US4401987A | Ranging system having reduced recognition jitter | Physics | 11 | Expired |
| US5444670A | Method and apparatus for determining soil strength from Doppler-shifted acoustic signatures | Physics | 10 | Expired |
| US4924446A | Navigation system and method for determining the position of a relatively noisy platform using underwater transponders | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5557584A | Moderate depth underwater surveillance system | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5504685A | Method and apparatus for routing an underwater cable system | Physics | 6 | Expired |
| US5493895A | Modular penetrometer | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.