Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Doppler current meter for use at great depths

Doppler current meter for use at great depths

US Patent 4270191 · Granted May 26, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and device for helicopter-borne mine countermeasures2000
Method for increasing the image rate of a sonar and sonar for the implementation1992
Sonar for avoiding sub-surface underwater objects1992
Interferometric sonar in non-linear acoustics1986
Acoustic positioning system1985
Device for measuring sea currents at great depths1982
Device for measuring in real time sea currents in deep water1982