Construction and/or material-handling machine
US-12559351-B2 · Feb 24, 2026 · US
Circuits for braking, traversing, or slewing motors
Circuits for braking, traversing, or slewing motors · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66C13/30 |
| Official title | Circuits for braking, traversing, or slewing motors |
| Display label | Circuits for braking, traversing, or slewing motors |
| Total patents | 38 |
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 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Parking brake device and work machine equipped with the same
US-12528673-B2 · Jan 20, 2026 · US
Rotation control device of work machine and work machine equipped with same
US-2025214811-A1 · Jul 3, 2025 · US
Gantry drive system, motor control system, and control method
US-12134546-B2 · Nov 5, 2024 · US
Method for allocating electrical power to crane equipment
US-12116246-B2 · Oct 15, 2024 · US
Working crane control system to reduce the environmental impact of variable speed drives
US-2024199384-A1 · Jun 20, 2024 · US
Crane
US-11926509-B2 · Mar 12, 2024 · US
Apparatus and method for controlling a slewing gear and crane
US-11866304-B2 · Jan 9, 2024 · US
Parking brake device and work machine equipped with the same
US-2023416057-A1 · Dec 28, 2023 · US
Operator vehicle with assisted centring device
US-11808009-B2 · Nov 7, 2023 · US
Crane
US-11787668-B2 · Oct 17, 2023 · US
Gantry drive system, motor control system, and control method
US-2022411236-A1 · Dec 29, 2022 · US
Control system, crane facility, control method, and recording medium
US-11511973-B2 · Nov 29, 2022 · US
Apparatus and method for controlling a slewing gear and crane
US-2022340396-A1 · Oct 27, 2022 · US
Construction and/or material-handling machine
US-2022297984-A1 · Sep 22, 2022 · US
Method for allocating electrical power to crane equipment
US-2022289527-A1 · Sep 15, 2022 · US
Article Transport Facility
US-2022081219-A1 · Mar 17, 2022 · US
Working Machine and a Controller
US-2022024740-A1 · Jan 27, 2022 · US
Control system, crane facility, control method, and recording medium
US-2021395050-A1 · Dec 23, 2021 · US
Crane
US-2021371255-A1 · Dec 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66C13/30?
- CPC B66C13/30 is the Cooperative Patent Classification code for “Circuits for braking, traversing, or slewing motors.”
- How many patents are filed under CPC B66C13/30 (Circuits for braking, traversing, or slewing motors)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC B66C13/30 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).