Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › DC motor with commutator rotor

DC motor with commutator rotor

US Patent 4716330 · Granted Dec 29, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Encapsulated magnets in a permanent magnet rotor1996
Incremental optical encoder with radiation regulation means1991
Variable colorant blender1988
Electric motor drive equipped with a permanently magnetized rotor1987
Electric motor having auxiliary portions distributed at a pitch which is an odd 1987
DC motor1987
Electromechanical transducer having a self-inductance cancelling coil assembly1987
Self-supporting rotor coil for dc-machine1985
Method of making self-supporting rotor coil dc-machine1981
Winding arrangement for a direct current electric machine1980
Electric actuating device1980