Mechanical drive connection for driving a shaft in rotation by transmission under tension
US-2025060025-A1 · Feb 20, 2025 · US
Features essential to rope pulleys
Features essential to rope pulleys · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16H55/50 |
| Official title | Features essential to rope pulleys |
| Display label | Features essential to rope pulleys |
| Total patents | 40 |
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 | 4 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Snatch ring pulley
US-11958727-B2 · Apr 16, 2024 · US
Pulley assembly
US-11732755-B2 · Aug 22, 2023 · US
Rope wheel, traction wheel, elevator drive machinery and elevator
US-11554937-B2 · Jan 17, 2023 · US
High friction and wear resistant elevator sheave liner
US-11511970-B2 · Nov 29, 2022 · US
Sheave liner including wear indicators
US-11492230-B2 · Nov 8, 2022 · US
Pulley assembly
US-2022290721-A1 · Sep 15, 2022 · US
High friction and wear resistant elevator sheave liner
US-2022033228-A1 · Feb 3, 2022 · US
Rope wheel, traction wheel, elevator drive machinery and elevator
US-2021300728-A1 · Sep 30, 2021 · US
Elevator sheave liner
US-11117787-B2 · Sep 14, 2021 · US
Snatch ring pulley
US-2021130142-A1 · May 6, 2021 · US
Sheave for belt with profile tracking features
US-10941021-B2 · Mar 9, 2021 · US
Elevator sheave liner
US-2021024331-A1 · Jan 28, 2021 · US
Apparatus for moving ropeway vehicles in a ropeway system
US-10889305-B2 · Jan 12, 2021 · US
People conveyor drive and people conveyor
US-10858221-B2 · Dec 8, 2020 · US
People conveyor drive and people conveyor
US-2020198934-A1 · Jun 25, 2020 · US
Sheave liner including wear indicators
US-2020055696-A1 · Feb 20, 2020 · US
Fleet angle tolerant sheave
US-10557540-B2 · Feb 11, 2020 · US
Elevator Sheave Assembly
US-2019263631-A1 · Aug 29, 2019 · US
Apparatus for moving ropeway vehicles in a ropeway system
US-2019176849-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16H55/50?
- CPC F16H55/50 is the Cooperative Patent Classification code for “Features essential to rope pulleys.”
- How many patents are filed under CPC F16H55/50 (Features essential to rope pulleys)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F16H55/50 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).