Winch control device and crane comprising same
US-2026084938-A1 · Mar 26, 2026 · US
pneumatic of hydraulic
pneumatic of hydraulic · 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 | B66D1/44 |
| Official title | pneumatic of hydraulic |
| Display label | pneumatic of hydraulic |
| Total patents | 37 |
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 | 1 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 10 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Winch drive device in crane
US-12280990-B2 · Apr 22, 2025 · US
Stand-alone electronic control of winches
US-2024391741-A1 · Nov 28, 2024 · US
Valve assembly and hydraulic circuit
US-12060950-B2 · Aug 13, 2024 · US
Crawler vehicle for the preparation of ski runs and method to control a winch of the crawler vehicle
US-2024010477-A1 · Jan 11, 2024 · US
Winch drive device in crane
US-2023322532-A1 · Oct 12, 2023 · US
Winch overload protection system
US-11753880-B2 · Sep 12, 2023 · US
Valve assembly and hydraulic circuit
US-2023235835-A1 · Jul 27, 2023 · US
Quick release hoist system
US-11472682-B2 · Oct 18, 2022 · US
Crane
US-11434111-B2 · Sep 6, 2022 · US
Quick release hoist system
US-2022234870-A1 · Jul 28, 2022 · US
Winch overload protection system
US-2021164302-A1 · Jun 3, 2021 · US
Self-raising winch boom and control systems and methods associated therewith
US-11014791-B2 · May 25, 2021 · US
Device for supplying and modifying a cylinder cubic capacity of a hydraulic motor
US-10865765-B2 · Dec 15, 2020 · US
Winch line speed control for a track-type machine having an electric drive powertrain
US-10858225-B2 · Dec 8, 2020 · US
Crane
US-2020377346-A1 · Dec 3, 2020 · US
Electric powered pneumatic balancer
US-10843910-B2 · Nov 24, 2020 · US
Crane
US-10836612-B1 · Nov 17, 2020 · US
Hydraulic systems for heavy equipment
US-2020325917-A1 · Oct 15, 2020 · US
Speed control system for crane and winch applications
US-2020223673-A1 · Jul 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D1/44?
- CPC B66D1/44 is the Cooperative Patent Classification code for “pneumatic of hydraulic.”
- How many patents are filed under CPC B66D1/44 (pneumatic of hydraulic)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC B66D1/44 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).