Magnetic marker installation method and supplemental tool for installing magnetic marker
US-12503821-B2 · Dec 23, 2025 · US
for applying prefabricated markings · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E01C23/18 |
| Official title | for applying prefabricated markings |
| Display label | for applying prefabricated markings |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 4 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12503821-B2 · Dec 23, 2025 · US
US-2025333915-A1 · Oct 30, 2025 · US
US-2025271982-A1 · Aug 28, 2025 · US
US-11339543-B2 · May 24, 2022 · US
US-11334087-B2 · May 17, 2022 · US
US-11242659-B2 · Feb 8, 2022 · US
US-11220201-B2 · Jan 11, 2022 · US
US-2021172133-A1 · Jun 10, 2021 · US
US-2020332483-A1 · Oct 22, 2020 · US
US-2020299909-A1 · Sep 24, 2020 · US
US-2020247300-A1 · Aug 6, 2020 · US
US-10632892-B2 · Apr 28, 2020 · US
US-2020012294-A1 · Jan 9, 2020 · US
US-2019031076-A1 · Jan 31, 2019 · US
US-2018171153-A1 · Jun 21, 2018 · US