Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus utilizing rotary motion of a member as the motive force for a pump

Apparatus utilizing rotary motion of a member as the motive force for a pump

US Patent 4307889 · Granted Dec 29, 1981

Estimated economic value: $9,881,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus for protecting subsea wells1981