Direct current motor
US-11211855-B2 · Dec 28, 2021 · US
Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K5/145 |
| Official title | {Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes} |
| Display label | Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes |
| Total patents | 111 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 11 |
| 2018 | 11 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 11 |
| 2023 | 11 |
| 2024 | 6 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor
US-2021376689-A1 · Dec 2, 2021 · US
Motor having columnar brush
US-2021296835-A1 · Sep 23, 2021 · US
Direct current motor
US-2021242762-A1 · Aug 5, 2021 · US
Motor
US-11063400-B2 · Jul 13, 2021 · US
Fiber grounding brush
US-10931179-B2 · Feb 23, 2021 · US
External unit and motor
US-10923990-B2 · Feb 16, 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
Air pulser for motor vehicle
US-2020389074-A1 · Dec 10, 2020 · US
Terminal connection structure for rotary machine
US-2020343782-A1 · Oct 29, 2020 · US
Fluid pump
US-10711793-B2 · Jul 14, 2020 · US
Assembly comprising brush cage and spiral spring, and corresponding brush-holder, electric motor and motor vehicle starter
US-10700485-B2 · Jun 30, 2020 · US
Actuator and vehicle door opening and closing actuator
US-10641028-B2 · May 5, 2020 · US
Wiper motor
US-2020127526-A1 · Apr 23, 2020 · US
Drive Device, Hydraulic Pump, Motor Vehicle
US-2020106326-A1 · Apr 2, 2020 · US
Permanent magnet direct current motor and HVAC system using the same
US-10566855-B2 · Feb 18, 2020 · US
Electric motor and brush thereof
US-10559935-B2 · Feb 11, 2020 · US
Sliding member, rotary device, and method for manufacturing sliding member
US-10505328-B2 · Dec 10, 2019 · US
Motor
US-2019363499-A1 · Nov 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K5/145?
- CPC H02K5/145 is the Cooperative Patent Classification code for “Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes.”
- How many patents are filed under CPC H02K5/145 (Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes)?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC H02K5/145 growing?
- Publication counts under this code: 6 in 2024 vs 14 in 2025 (latest complete years).