Transfer device for maintaining an electrical or optical connection
US-12304772-B2 · May 20, 2025 · US
by means of axially-movable drums or barrels {(pivotably mounted drums or barrel B66D1/365)}
by means of axially-movable drums or barrels {(pivotably mounted drums or barrel B66D1/365)} · 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 | B66D1/39 |
| Official title | by means of axially-movable drums or barrels {(pivotably mounted drums or barrel B66D1/365)} |
| Display label | by means of axially-movable drums or barrels {(pivotably mounted drums or barrel B66D1/365)} |
| Total patents | 34 |
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 | 3 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Winch Assembly of a Load Handling Device
US-2024076128-A1 · Mar 7, 2024 · US
Compact hoist accessories and combination systems
US-11319198-B2 · May 3, 2022 · US
Hoist translating drum with bar spline bearing
US-11254549-B2 · Feb 22, 2022 · US
Transfer device for maintaining an electrical or optical connection
US-2022024714-A1 · Jan 27, 2022 · US
Compact hoist system
US-11111117-B2 · Sep 7, 2021 · US
Moving drum winch
US-10919741-B2 · Feb 16, 2021 · US
Hoist translating drum with bar spline bearing
US-2020385249-A1 · Dec 10, 2020 · US
Moving drum winch
US-2020354201-A1 · Nov 12, 2020 · US
Hoist cable sensor with differential drive
US-10647556-B2 · May 12, 2020 · US
Automatic reversing screw mechanism for cable winding
US-10640346-B2 · May 5, 2020 · US
Sealed rescue hoist drum bellow system
US-10640345-B2 · May 5, 2020 · US
Hoist cable sensor with differential drive
US-2020102195-A1 · Apr 2, 2020 · US
Lift assembly with load cells
US-10544018-B2 · Jan 28, 2020 · US
Compact hoist accessories and combination systems
US-2019352154-A1 · Nov 21, 2019 · US
Compact hoist accessories and combination systems
US-10399832-B2 · Sep 3, 2019 · US
Compact hoist system
US-2019185299-A1 · Jun 20, 2019 · US
Compact hoist system
US-10183850-B2 · Jan 22, 2019 · US
Swivel winch rotated via an actuator in response to pressure sensor data
US-10173870-B1 · Jan 8, 2019 · US
Automatic reversing screw mechanism for cable winding
US-2018251352-A1 · Sep 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D1/39?
- CPC B66D1/39 is the Cooperative Patent Classification code for “by means of axially-movable drums or barrels {(pivotably mounted drums or barrel B66D1/365)}.”
- How many patents are filed under CPC B66D1/39 (by means of axially-movable drums or barrels {(pivotably mounted drums or barrel B66D1/365)})?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B66D1/39 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).