Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Electric motor

Electric motor

US Patent 4441042 · Granted Apr 3, 1984

Assignee

No assignee recorded.

Inventors

Robert A. Colwell (4 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Draft inducer blower motor mounting and cooling construction1994

Electric motor and pump mounting bracket assembly and method of making1989

Method of assembling an electric motor1985

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly