Chargeable hoists, in-rail charging assemblies, subject transport units, and related methods
US-2025382159-A1 · Dec 18, 2025 · US
for underhung trolleys or cranes
for underhung trolleys or cranes · 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 | B66C9/02 |
| Official title | for underhung trolleys or cranes |
| Display label | for underhung trolleys or cranes |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Overhead hoist transport and its voice control system and method
US-2025313434-A1 · Oct 9, 2025 · US
Overhead hoist transport device
US-12421052-B2 · Sep 23, 2025 · US
Overhead traveling vehicle and overhead traveling vehicle fault processing system
US-12280947-B2 · Apr 22, 2025 · US
Sand conveying apparatus and control method thereof, control device, and storage medium
US-12187545-B2 · Jan 7, 2025 · US
Traveling vehicle system
US-12116021-B2 · Oct 15, 2024 · US
Overhead hoist transport device
US-2024174451-A1 · May 30, 2024 · US
Lifting machinery with automated reeving configuration change
US-2024083722-A1 · Mar 14, 2024 · US
Frame structure of hoist
US-11840429-B2 · Dec 12, 2023 · US
Bidirectional anti-slipping apparatus in monorail crane based on inner ratchet mechanism
US-11691854-B2 · Jul 4, 2023 · US
Bidirectional anti-slipping apparatus in monorail crane based on inner ratchet mechanism
US-2023150799-A1 · May 18, 2023 · US
Sand conveying apparatus and control method thereof, control device, and storage medium
US-2022315347-A1 · Oct 6, 2022 · US
Article Transport Facility
US-2022081219-A1 · Mar 17, 2022 · US
Overhead traveling vehicle and overhead traveling vehicle fault processing system
US-2022055835-A1 · Feb 24, 2022 · US
Vehicle inspection device and article transfer system having the same
US-2022058897-A1 · Feb 24, 2022 · US
Traveling vehicle system
US-2021387654-A1 · Dec 16, 2021 · US
Transfer Assembly for a Hoist
US-2021298976-A1 · Sep 30, 2021 · US
Crane trolley
US-11059703-B2 · Jul 13, 2021 · US
Overhead lift units, systems, and methods for mounting and transporting an overhead lift unit
US-11039969-B2 · Jun 22, 2021 · US
Frame structure of hoist
US-2021179394-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66C9/02?
- CPC B66C9/02 is the Cooperative Patent Classification code for “for underhung trolleys or cranes.”
- How many patents are filed under CPC B66C9/02 (for underhung trolleys or cranes)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC B66C9/02 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).