Brushed motor and electrical product
US-11824420-B2 · Nov 21, 2023 · US
for cooperation with commutators
for cooperation with commutators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K5/143 |
| Official title | {for cooperation with commutators} |
| Display label | for cooperation with commutators |
| Total patents | 66 |
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 | 3 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 13 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
EMI filter for DC motor
US-11606008-B2 · Mar 14, 2023 · US
Brush device, motor, and method for manufacturing brush device
US-11515759-B2 · Nov 29, 2022 · US
Brushed motor and electrical product
US-2022320944-A1 · Oct 6, 2022 · US
Diaphragm Pump and Motor System and Method
US-2022154710-A1 · May 19, 2022 · US
Diaphragm pump and motor system and method
US-11231027-B2 · Jan 25, 2022 · US
Motor
US-11228230-B2 · Jan 18, 2022 · US
Emi filter for dc motor
US-2021344257-A1 · Nov 4, 2021 · US
Driving device and window lift actuator using the same
US-11152841-B2 · Oct 19, 2021 · US
Winch including a motor mounted contactor
US-2021261390-A1 · Aug 26, 2021 · US
Motor and actuator
US-11088591-B2 · Aug 10, 2021 · US
Motor
US-2021242754-A1 · Aug 5, 2021 · US
Power tool
US-11027405-B2 · Jun 8, 2021 · US
Winch including a motor mounted contactor
US-11001482-B2 · May 11, 2021 · US
Brush device, motor, and method for manufacturing brush device
US-2021067008-A1 · Mar 4, 2021 · US
External unit and motor
US-10923990-B2 · Feb 16, 2021 · US
Electric working machine
US-10903716-B2 · Jan 26, 2021 · US
DC motor with a positive temperature coefficient thermistor
US-10873235-B2 · Dec 22, 2020 · US
Motor transmission connection arrangement, in particular for use in vehicles
US-10873236-B2 · Dec 22, 2020 · US
Drive with a commutator motor
US-10784740-B2 · Sep 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K5/143?
- CPC H02K5/143 is the Cooperative Patent Classification code for “for cooperation with commutators.”
- How many patents are filed under CPC H02K5/143 (for cooperation with commutators)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC H02K5/143 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).