Elevator installation roller with restraining element
US-10486942-B2 · Nov 26, 2019 · US
Friction sheaves; "Koepe" pulleys
Friction sheaves; "Koepe" pulleys · 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 | B66B15/04 |
| Official title | Friction sheaves; "Koepe" pulleys |
| Display label | Friction sheaves; "Koepe" pulleys |
| Total patents | 144 |
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 | 7 |
| 2016 | 11 |
| 2017 | 15 |
| 2018 | 12 |
| 2019 | 21 |
| 2020 | 23 |
| 2021 | 19 |
| 2022 | 14 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coated sheave
US-2019337770-A1 · Nov 7, 2019 · US
Elevator Sheave Assembly
US-2019263631-A1 · Aug 29, 2019 · US
Rope and rope groove monitoring
US-10377605-B2 · Aug 13, 2019 · US
Deflector sheave bracket for offset bedplate
US-2019233253-A1 · Aug 1, 2019 · US
System and method for reducing belt noise
US-10336581-B2 · Jul 2, 2019 · US
Traction sheave for elevator system
US-10301151-B2 · May 28, 2019 · US
Idler or deflector sheave for elevator system
US-10294079-B2 · May 21, 2019 · US
Rope wheel assembly, compensator and elevator arrangement
US-2019106295-A1 · Apr 11, 2019 · US
Arrangement and elevator
US-10246303-B2 · Apr 2, 2019 · US
Belt and sheave arrangement with linear guidance for an elevator
US-2019077634-A1 · Mar 14, 2019 · US
Car for an elevator in an elevator shaft
US-2019071283-A1 · Mar 7, 2019 · US
Elevator rope, elevator arrangement and elevator
US-2019062118-A1 · Feb 28, 2019 · US
Radial flux permanent magnet elevator motor
US-2019055109-A1 · Feb 21, 2019 · US
Diverting pulley adapter
US-10173863-B2 · Jan 8, 2019 · US
Rope-climbing self propelled elevator system
US-2018362302-A1 · Dec 20, 2018 · US
Belt roller for an elevator system
US-2018244499-A1 · Aug 30, 2018 · US
Elevator System Having a Pulley, the Contact Surface of Which Has an Anisotropic Structure
US-2018162699-A1 · Jun 14, 2018 · US
Moving a heavy overload with an elevator
US-2018093866-A1 · Apr 5, 2018 · US
Asymmetric and steered sheaves for twisted multi-belt elevator systems
US-9932205-B2 · Apr 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66B15/04?
- CPC B66B15/04 is the Cooperative Patent Classification code for “Friction sheaves; "Koepe" pulleys.”
- How many patents are filed under CPC B66B15/04 (Friction sheaves; "Koepe" pulleys)?
- Our database includes 144 publications tagged with this CPC code.
- Is patent activity under CPC B66B15/04 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).