Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sheave array of a self propelled elevator using a linear motor on the counterweight

Sheave array of a self propelled elevator using a linear motor on the counterweight

US Patent 4949815 · Granted Aug 21, 1990

Estimated economic value: $3,101,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Elevator with linear motor drive assembly1993
Elevator with linear motor counterweight assembly1991
Self-powered elevator using a linear electric motor as counterweight1983