ClassID:

217550

H02K23/60 - CPC Classification

Classification description:

DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors Motors or generators having rotating armatures and rotating excitation field

Recent Application in this class:
#1
20250246968
2025-07-31

COUNTER-ROTATING DIFFERENTIAL ELECTRIC MOTOR ASSEMBLY SLIP RING ASSEMBLY

#2
20220239201
2022-07-28

COUNTER-ROTATING DIFFERENTIAL ELECTRIC MOTOR ASSEMBLY SLIP RING ASSEMBLY

#3
20220239187
2022-07-28

Counter-rotating differential electric motor assembly

#4
20190319415
2019-10-17

High current and RPM-capable slip ring assembly

#5
20180337583
2018-11-22

Dynamic electrical generator and its associated method of operation

#6
20120286610
2012-11-15

Increased efficiency dual rotational electric motor/generator

#7
20110266903
2011-11-03

COAXIAL INVERSION CORELESS GENERATOR

#8
20100065347
2010-03-18

MOTOR WITH TORQUE-BALANCING MEANS INCLUDING ROTATING STATOR AND ROTATING ROTOR

#9
20100003871
2010-01-07

Increased efficiency counter-rotating electric motor for propelling a boat

#10
14615091
2017-11-21

Electrical generator or motor with variable coil winding patterns exhibiting multiple wires incorporated into a plurality of independent three stage coil configurations and incorporating a belt drive arrangement exhibiting first and second rotating pully wheels in combination with opposite belt rotating magnet and coil supporting components for providing increased power output

#11
14608974
2018-02-27

Electrical generator or motor with variable coil winding patterns exhibiting multiple wires incorporated into a plurality coil configurations defined around a rotor and incorporating a gearbox arrangement exhibiting oppositely driven rotor and stator gears configured with multi-tiered reversing gears exhibiting both straight and helical patterns and for varying turning ratios for establishing either of acceleration or deceleration aspects for increased power output

#12
14603050
2018-02-27

Electrical induction motor with reconfigured rotor mounted commutators for receiving an armature current from a stator mounted brush component along with a reversing gear arrangement for driving a pair of opposite gear rings