Winch Assembly of a Load Handling Device
US-2025340372-A1 · Nov 6, 2025 · US
Circuits for controlling the lowering of the load
Circuits for controlling the lowering of the load · 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 | B66C13/23 |
| Official title | Circuits for controlling the lowering of the load |
| Display label | Circuits for controlling the lowering of the load |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Article transport vehicle
US-12459788-B2 · Nov 4, 2025 · US
Method for operating conveying system
US-12438026-B2 · Oct 7, 2025 · US
Crane, and control method of crane
US-12398023-B2 · Aug 26, 2025 · US
Method of determining a maximum operating speed of an electric motor
US-2025211146-A1 · Jun 26, 2025 · US
Method for operating conveying system
US-12094745-B2 · Sep 17, 2024 · US
Working crane control system to reduce the environmental impact of variable speed drives
US-2024199384-A1 · Jun 20, 2024 · US
Overhead transport vehicle and method for calculating rotation amount of winding drum in overhead transport vehicle
US-12014945-B2 · Jun 18, 2024 · US
Method for operating conveying system
US-2024087934-A1 · Mar 14, 2024 · US
Crane, and control method of crane
US-2024002197-A1 · Jan 4, 2024 · US
Method for operating conveying system
US-11854849-B2 · Dec 26, 2023 · US
Article Transport Vehicle
US-2023278833-A1 · Sep 7, 2023 · US
Method for operating conveying system
US-2022384230-A1 · Dec 1, 2022 · US
Control system, crane facility, control method, and recording medium
US-11511973-B2 · Nov 29, 2022 · US
Overhead transport vehicle and method for calculating rotation amount of winding drum in overhead transport vehicle
US-2022108905-A1 · Apr 7, 2022 · US
Control system, crane facility, control method, and recording medium
US-2021395050-A1 · Dec 23, 2021 · US
Method for operating conveying system
US-2021391201-A1 · Dec 16, 2021 · US
Brake condition monitoring
US-11192761-B2 · Dec 7, 2021 · US
Crane vehicle
US-11180349-B2 · Nov 23, 2021 · US
Overhead subject lifts and methods for operating the same
US-2021077328-A1 · Mar 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66C13/23?
- CPC B66C13/23 is the Cooperative Patent Classification code for “Circuits for controlling the lowering of the load.”
- How many patents are filed under CPC B66C13/23 (Circuits for controlling the lowering of the load)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC B66C13/23 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).