High frequency AC-powered drain cleaning and inspection apparatus and methods
US-11846095-B2 · Dec 19, 2023 · US
fibrous materials (fibre-reinforced plastics H01B3/47) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01B3/48 |
| Official title | fibrous materials (fibre-reinforced plastics H01B3/47) |
| Display label | fibrous materials (fibre-reinforced plastics H01B3/47) |
| Total patents | 69 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11846095-B2 · Dec 19, 2023 · US
US-11837381-B2 · Dec 5, 2023 · US
US-2023298783-A1 · Sep 21, 2023 · US
US-2023119637-A1 · Apr 20, 2023 · US
US-11578461-B2 · Feb 14, 2023 · US
US-11470718-B2 · Oct 11, 2022 · US
US-2022251312-A1 · Aug 11, 2022 · US
US-11309102-B2 · Apr 19, 2022 · US
US-2022025581-A1 · Jan 27, 2022 · US
US-2021363699-A1 · Nov 25, 2021 · US
US-2021335517-A1 · Oct 28, 2021 · US
US-11041098-B2 · Jun 22, 2021 · US
US-10998790-B2 · May 4, 2021 · US
US-2021076490-A1 · Mar 11, 2021 · US
US-2021005358-A1 · Jan 7, 2021 · US
US-10818898-B2 · Oct 27, 2020 · US
US-2020335238-A1 · Oct 22, 2020 · US
US-2020332155-A1 · Oct 22, 2020 · US
US-2020313489-A1 · Oct 1, 2020 · US
US-10774244-B2 · Sep 15, 2020 · US
Answers are generated from the same data shown on this page.