Winch control device and crane comprising same
US-2026084938-A1 · Mar 26, 2026 · US
the drums or barrels being freely rotatable {, e.g. having a clutch activated independently of a brake (B66D1/20, B66D1/22, B66D1/24 take precedence; clutches activated alternately with brakes B66D1/14, slip couplings B66D1/14)}
the drums or barrels being freely rotatable {, e.g. having a clutch activated independently of a brake (B66D1/20, B66D1/22, B66D1/24 take precedence; clutches activated alternately with brakes B66D1/14, slip couplings B66D1/14)} · 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 | B66D1/16 |
| Official title | the drums or barrels being freely rotatable {, e.g. having a clutch activated independently of a brake (B66D1/20, B66D1/22, B66D1/24 take precedence; clutches activated alternately with brakes B66D1/14, slip couplings B66D1/14)} |
| Display label | the drums or barrels being freely rotatable {, e.g. having a clutch activated independently of a brake (B66D1/20, B66D1/22, B66D1/24 take precedence; clutches activated alternately with brakes B66D1/14, slip couplings B66D1/14)} |
| Total patents | 45 |
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 |
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Portable winch
US-2025237276-A1 · Jul 24, 2025 · US
Transfer device for maintaining an electrical or optical connection
US-12304772-B2 · May 20, 2025 · US
Capstan with integrated torque limiting overload clutch
US-2024300785-A1 · Sep 12, 2024 · US
Work machine
US-12006193-B2 · Jun 11, 2024 · US
Winch with advanced electrical and mechanical smart controls
US-2024124278-A1 · Apr 18, 2024 · US
Augmented hoist cable cut algorithm
US-2023348058-A1 · Nov 2, 2023 · US
Free fall winch
US-11535499-B2 · Dec 27, 2022 · US
Work machine
US-2022297991-A1 · Sep 22, 2022 · US
Winch system
US-11247879-B2 · Feb 15, 2022 · US
Transfer device for maintaining an electrical or optical connection
US-2022024714-A1 · Jan 27, 2022 · US
Auxiliary brake assembly
US-10947094-B2 · Mar 16, 2021 · US
Overload clutch with second stage setting
US-10948025-B2 · Mar 16, 2021 · US
Auxiliary brake assembly
US-2021039928-A1 · Feb 11, 2021 · US
Winch for a vehicle having damage protection
US-10899590-B2 · Jan 26, 2021 · US
Overload clutch with second stage setting
US-2020386277-A1 · Dec 10, 2020 · US
Hoisting machine arrangement and method for preparing gear thereof
US-10850954-B2 · Dec 1, 2020 · US
Portable winch
US-10766749-B2 · Sep 8, 2020 · US
Clutch assembly for detecting and measuring slip using proximity sensors
US-2020156908-A1 · May 21, 2020 · US
Clutch assembly for detecting and measuring slip using proximity sensors
US-10654695-B1 · May 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D1/16?
- CPC B66D1/16 is the Cooperative Patent Classification code for “the drums or barrels being freely rotatable {, e.g. having a clutch activated independently of a brake (B66D1/20, B66D1/22, B66D1/24 take precedence; clutches activated alternately with brakes B66D1/14, slip couplings B66D1/14)}.”
- How many patents are filed under CPC B66D1/16 (the drums or barrels being freely rotatable {, e.g. having a clutch activated independently of a brake (B66D1/20, B66D1/22, B66D1/24 take precedence; clutches activated alternately with brakes B66D1/14, slip couplings B66D1/14)})?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC B66D1/16 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).