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 | B66C7/02 |
| Official title | for underhung trolleys or cranes |
| Display label | for underhung trolleys or cranes |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Overhead hoist transport device
US-12421052-B2 · Sep 23, 2025 · US
Support for a trolley, and overhead transport device having such a support
US-12215005-B2 · Feb 4, 2025 · US
Traveling vehicle system
US-12116021-B2 · Oct 15, 2024 · US
Traveling vehicle system
US-12103570-B2 · Oct 1, 2024 · US
Overhead hoist transport system
US-2024294196-A1 · Sep 5, 2024 · US
Winged stopper for overhead rail system
US-12012315-B2 · Jun 18, 2024 · US
Overhead hoist transport device
US-2024174451-A1 · May 30, 2024 · US
Lift unit docking systems
US-11833094-B2 · Dec 5, 2023 · US
Overhead travelling crane assembly
US-11795037-B2 · Oct 24, 2023 · US
Hoisting arrangement of a hoist of a crane
US-11554938-B2 · Jan 17, 2023 · US
Support for a trolley, and overhead transport device having such a support
US-2022332547-A1 · Oct 20, 2022 · US
Winged stopper for overhead rail system
US-2022267962-A1 · Aug 25, 2022 · US
Ceiling conveyance vehicle and ceiling conveyance vehicle system
US-11417555-B2 · Aug 16, 2022 · US
Gates for overhead lifting rails
US-11376180-B2 · Jul 5, 2022 · US
Overhead travelling crane assembly
US-2022153560-A1 · May 19, 2022 · US
Underwater towing test device
US-11260940-B2 · Mar 1, 2022 · US
Traveling vehicle system
US-2022032971-A1 · Feb 3, 2022 · US
Ceiling conveyance vehicle and ceiling conveyance vehicle system
US-2022020621-A1 · Jan 20, 2022 · US
Traveling vehicle system
US-2021387654-A1 · Dec 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B66C7/02?
- CPC B66C7/02 is the Cooperative Patent Classification code for “for underhung trolleys or cranes.”
- How many patents are filed under CPC B66C7/02 (for underhung trolleys or cranes)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B66C7/02 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).