Electromechanical integral motor
US-2018358863-A1 · Dec 13, 2018 · US
Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K11/38 |
| Official title | Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type |
| Display label | Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type |
| Total patents | 177 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 16 |
| 2017 | 18 |
| 2018 | 21 |
| 2019 | 19 |
| 2020 | 14 |
| 2021 | 21 |
| 2022 | 21 |
| 2023 | 10 |
| 2024 | 17 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Submerged robot with learning capabilities
US-10138646-B2 · Nov 27, 2018 · US
Actuator
US-10082193-B2 · Sep 25, 2018 · US
Brushless dc motor power tool with combined pcb design
US-2018248446-A1 · Aug 30, 2018 · US
Semiconductor device and semiconductor device mounting method
US-2018138788-A1 · May 17, 2018 · US
Brushless DC motor power tool with combined PCB design
US-9960656-B2 · May 1, 2018 · US
Brushless DC motor power tool with combined PCB design
US-9954417-B2 · Apr 24, 2018 · US
Linear motor actuators
US-2018102721-A1 · Apr 12, 2018 · US
Electric motor and electrical device equipped with electric motor
US-9929617-B2 · Mar 27, 2018 · US
Brushless dc motor power tool with combined pcb design
US-2018076688-A1 · Mar 15, 2018 · US
Motor with speed reducer portion including a worm and being accommodated with a circuit board in a housing having a heat-receiving portion overlapping with the worm
US-9893595-B2 · Feb 13, 2018 · US
Motor and Clutch Actuator Including Same
US-2017358970-A1 · Dec 14, 2017 · US
Rotating electric machine with sealing members
US-9831738-B2 · Nov 28, 2017 · US
Driving apparatus
US-2017317564-A1 · Nov 2, 2017 · US
Drive apparatus and electric power steering apparatus using the same
US-2017294860-A1 · Oct 12, 2017 · US
Brushless DC motor power tool with combined PCB design
US-9774229-B1 · Sep 26, 2017 · US
Brushless dc motor power tool with combined pcb design
US-2017271949-A1 · Sep 21, 2017 · US
Actuator device
US-9728924-B2 · Aug 8, 2017 · US
Brushless wiper motor and method for assembling the same
US-2017203722-A1 · Jul 20, 2017 · US
Motor apparatus having improved connector unit
US-2017207686-A1 · Jul 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K11/38?
- CPC H02K11/38 is the Cooperative Patent Classification code for “Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type.”
- How many patents are filed under CPC H02K11/38 (Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type)?
- Our database includes 177 publications tagged with this CPC code.
- Is patent activity under CPC H02K11/38 growing?
- Publication counts under this code: 17 in 2024 vs 5 in 2025 (latest complete years).