Chargeable hoists, in-rail charging assemblies, subject transport units, and related methods
US-2025382159-A1 · Dec 18, 2025 · US
Operations & Transport
Operations & Transport · 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 | B66D3/18 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 63 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wireless hoist system
US-2025340410-A1 · Nov 6, 2025 · US
Method for testing the operation of a next generation rescue hoist
US-12460996-B2 · Nov 4, 2025 · US
Wireless hoist system
US-12441592-B2 · Oct 14, 2025 · US
Zero-gravity hoist control
US-2025263274-A1 · Aug 21, 2025 · US
Portable winch
US-2025237276-A1 · Jul 24, 2025 · US
Zero-gravity hoist control
US-12269715-B2 · Apr 8, 2025 · US
Control of chain hoist
US-12227399-B2 · Feb 18, 2025 · US
Linear motion device
US-12215761-B2 · Feb 4, 2025 · US
Lifting mechanism for overhead monorail and overhead monorail
US-12091289-B2 · Sep 17, 2024 · US
Control of chain hoist
US-2024253956-A1 · Aug 1, 2024 · US
Methods, system and electronic module for counterbalancing a weight force of an object
US-2024189923-A1 · Jun 13, 2024 · US
Wireless hoist system
US-2024182278-A1 · Jun 6, 2024 · US
Zero-gravity hoist control
US-2024083717-A1 · Mar 14, 2024 · US
Wireless hoist system
US-11912545-B2 · Feb 27, 2024 · US
Zero-gravity hoist control
US-11851306-B2 · Dec 26, 2023 · US
Method for testing the operation of a next generation rescue hoist
US-2023393025-A1 · Dec 7, 2023 · US
Bistable package delivery systems for aerial vehicles
US-11649054-B1 · May 16, 2023 · US
Foldable container and apparatus for folding and unfolding the same
US-11618488-B2 · Apr 4, 2023 · US
Lifting apparatus for an offshore wind turbine
US-11512680-B2 · Nov 29, 2022 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66D3/18?
- CPC B66D3/18 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B66D3/18 (Operations & Transport)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC B66D3/18 growing?
- Publication counts under this code: 6 in 2024 vs 11 in 2025 (latest complete years).