Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Surface enlarging elements for heat-exchanger tubes

Surface enlarging elements for heat-exchanger tubes

US Patent 5046556 · Granted Sep 10, 1991

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Air supply arrangement2020
Fitting arrangement for fitting a drive package for a vehicle2016
Water tube boiler1993
Circuit breaker with means for producing a flow of arc-extinguishing gas1982