Hydrostatically compensated device for ground penetration resistance measurements
US-2022220686-A1 · Jul 14, 2022 · US
Sampling of ground water · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E02D1/06 |
| Official title | Sampling of ground water |
| Display label | Sampling of ground water |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2022220686-A1 · Jul 14, 2022 · US
US-11378541-B1 · Jul 5, 2022 · US
US-11175223-B2 · Nov 16, 2021 · US
US-10697862-B2 · Jun 30, 2020 · US
US-2020072737-A1 · Mar 5, 2020 · US
US-10571373-B2 · Feb 25, 2020 · US
US-2018172560-A1 · Jun 21, 2018 · US
US-2017248501-A1 · Aug 31, 2017 · US
US-9683921-B2 · Jun 20, 2017 · US