Double pulley, rescue device comprising such double pulley and method for using such rescue device
US-12428273-B2 · Sep 30, 2025 · US
Arrangements of sheaves
Arrangements of sheaves · 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 | B66D3/08 |
| Official title | Arrangements of sheaves |
| Display label | Arrangements of sheaves |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Double-reeved lifting device with an improved pawl-locking mechanism
US-12371308-B2 · Jul 29, 2025 · US
Lifting assembly
US-2025026564-A1 · Jan 23, 2025 · US
Frame for trenchless pipe replacement system and method
US-2025027581-A1 · Jan 23, 2025 · US
Frame for trenchless pipe replacement system and method
US-12129936-B2 · Oct 29, 2024 · US
Crane, vessel comprising such a crane, and a method for up-ending an elongate structure
US-12043523-B2 · Jul 23, 2024 · US
Double-reeved lifting device with an improved pawl-locking mechanism
US-2023356988-A1 · Nov 9, 2023 · US
Crane, vessel comprising such a crane, and a method for up-ending an elongate structure
US-2023331522-A1 · Oct 19, 2023 · US
Auxiliary sheave device and crane including the same
US-11613449-B2 · Mar 28, 2023 · US
Pulley with secured opening
US-11560294-B2 · Jan 24, 2023 · US
Vertical lifting device and method
US-11479449-B2 · Oct 25, 2022 · US
Drilling rig hoisting system
US-11339615-B2 · May 24, 2022 · US
Frame for trenchless pipe replacement system and method
US-2022128173-A1 · Apr 28, 2022 · US
Double pulley, rescue device comprising such double pulley and method for using such rescue device
US-2022106171-A1 · Apr 7, 2022 · US
Hoisting and tensioning bearing saver
US-11279601-B2 · Mar 22, 2022 · US
Frame for trenchless pipe replacement system and method
US-11231127-B2 · Jan 25, 2022 · US
Drilling rig hoisting system
US-2021301601-A1 · Sep 30, 2021 · US
Crane trolley
US-11059703-B2 · Jul 13, 2021 · US
Auxiliary sheave device and crane including the same
US-2021061624-A1 · Mar 4, 2021 · US
Hoisting arrangement of rope hoist
US-10926982-B2 · Feb 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D3/08?
- CPC B66D3/08 is the Cooperative Patent Classification code for “Arrangements of sheaves.”
- How many patents are filed under CPC B66D3/08 (Arrangements of sheaves)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B66D3/08 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).