Automatic battery replacement system and method for transfer robot
US-12502791-B2 · Dec 23, 2025 · US
characterised by use of freely-movable dollies · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04H6/36 |
| Official title | characterised by use of freely-movable dollies |
| Display label | characterised by use of freely-movable dollies |
| Total patents | 46 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 5 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12502791-B2 · Dec 23, 2025 · US
US-12345072-B2 · Jul 1, 2025 · US
US-2025188763-A1 · Jun 12, 2025 · US
US-2025188762-A1 · Jun 12, 2025 · US
US-2025187207-A1 · Jun 12, 2025 · US
US-12122650-B2 · Oct 22, 2024 · US
US-12103454-B2 · Oct 1, 2024 · US
US-2024247514-A1 · Jul 25, 2024 · US
US-2024123950-A1 · Apr 18, 2024 · US
US-2024059534-A1 · Feb 22, 2024 · US
US-2023392403-A1 · Dec 7, 2023 · US
US-11834313-B2 · Dec 5, 2023 · US
US-2023374808-A1 · Nov 23, 2023 · US
US-11693426-B2 · Jul 4, 2023 · US
US-11607984-B2 · Mar 21, 2023 · US
US-2023015091-A1 · Jan 19, 2023 · US
US-2023012384-A1 · Jan 12, 2023 · US
US-2023002203-A1 · Jan 5, 2023 · US
US-2022410789-A1 · Dec 29, 2022 · US
US-2022402421-A1 · Dec 22, 2022 · US
Answers are generated from the same data shown on this page.