Interferometric redatuming, interpolation, and free surface elimination for ocean-bottom seismic data
US-2026079275-A1 · Mar 19, 2026 · US
Reference-signal-transmitting devices, e.g. indicating moment of firing of shot · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01V1/26 |
| Official title | Reference-signal-transmitting devices, e.g. indicating moment of firing of shot |
| Display label | Reference-signal-transmitting devices, e.g. indicating moment of firing of shot |
| Total patents | 47 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026079275-A1 · Mar 19, 2026 · US
US-2025370150-A1 · Dec 4, 2025 · US
US-2025298164-A1 · Sep 25, 2025 · US
US-12332397-B2 · Jun 17, 2025 · US
US-11977195-B2 · May 7, 2024 · US
US-11732372-B2 · Aug 22, 2023 · US
US-11719841-B1 · Aug 8, 2023 · US
US-2023127346-A1 · Apr 27, 2023 · US
US-11573345-B2 · Feb 7, 2023 · US
US-2023020858-A1 · Jan 19, 2023 · US
US-11513247-B2 · Nov 29, 2022 · US
US-11029440-B2 · Jun 8, 2021 · US
US-2021132244-A1 · May 6, 2021 · US
US-10962667-B2 · Mar 30, 2021 · US
US-10935682-B2 · Mar 2, 2021 · US
US-10928532-B2 · Feb 23, 2021 · US
US-2020271806-A1 · Aug 27, 2020 · US
US-10677049-B2 · Jun 9, 2020 · US
US-2020174151-A1 · Jun 4, 2020 · US
US-10605942-B2 · Mar 31, 2020 · US
Answers are generated from the same data shown on this page.