Lift system for utility covers
US-12473185-B2 · Nov 18, 2025 · US
Lifting devices for manhole covers · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B66F19/005 |
| Official title | {Lifting devices for manhole covers} |
| Display label | Lifting devices for manhole covers |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12473185-B2 · Nov 18, 2025 · US
US-12319550-B2 · Jun 3, 2025 · US
US-2024375926-A1 · Nov 14, 2024 · US
US-2023278845-A1 · Sep 7, 2023 · US
US-10894703-B2 · Jan 19, 2021 · US
US-10584022-B2 · Mar 10, 2020 · US
US-2020071147-A1 · Mar 5, 2020 · US
US-2018229990-A1 · Aug 16, 2018 · US