Brake static plate assembly, brake and elevator system
US-12570498-B2 · Mar 10, 2026 · US
Operating devices
Operating devices · 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 | B66D5/24 |
| Official title | Operating devices |
| Display label | Operating devices |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Brake device for elevator system and a test method thereof
US-12497266-B2 · Dec 16, 2025 · US
Safety brake system
US-12214995-B2 · Feb 4, 2025 · US
Frictionless electronic safety actuator
US-11858781-B2 · Jan 2, 2024 · US
Roller system, roller braking device and elevator system
US-11667496-B2 · Jun 6, 2023 · US
Safety brake system
US-2023143819-A1 · May 11, 2023 · US
Frictionless electronic safety actuator
US-2023139867-A1 · May 4, 2023 · US
Brake static plate assembly, brake and elevator system
US-2023009007-A1 · Jan 12, 2023 · US
Free fall winch
US-11535499-B2 · Dec 27, 2022 · US
Roller system, roller braking device and elevator system
US-2022135374-A1 · May 5, 2022 · US
Brake device for elevator system and a test method thereof
US-2021130126-A1 · May 6, 2021 · US
Electromagnetic safety trigger
US-10654686-B2 · May 19, 2020 · US
Mechanism to selectively fix or free planetary carrier of epicyclic gearbox
US-2020087123-A1 · Mar 19, 2020 · US
Mechanism to selectively fix or free planetary carrier of epicyclic gearbox
US-10479659-B2 · Nov 19, 2019 · US
Disk damping device
US-10214382-B2 · Feb 26, 2019 · US
Safety brake for a lifting device
US-10112813-B2 · Oct 30, 2018 · US
Cable winch
US-10106380-B2 · Oct 23, 2018 · US
Disk damping device
US-2018194593-A1 · Jul 12, 2018 · US
Mechanism to selectively fix or free planetary carrier of epicyclic gearbox
US-2018111807-A1 · Apr 26, 2018 · US
Safety Brake For a Lifting Device
US-2018002148-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D5/24?
- CPC B66D5/24 is the Cooperative Patent Classification code for “Operating devices.”
- How many patents are filed under CPC B66D5/24 (Operating devices)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B66D5/24 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).