Ceramic felt material for high-temperature fuel cells
US-2019382314-A1 · Dec 19, 2019 · US
Shaping around a core which is removed later · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B2235/6028 |
| Official title | Shaping around a core which is removed later |
| Display label | Shaping around a core which is removed later |
| Total patents | 247 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 9 |
| 2017 | 18 |
| 2018 | 19 |
| 2019 | 22 |
| 2020 | 26 |
| 2021 | 33 |
| 2022 | 25 |
| 2023 | 21 |
| 2024 | 32 |
| 2025 | 21 |
| 2026 | 10 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2019382314-A1 · Dec 19, 2019 · US
US-10343951-B2 · Jul 9, 2019 · US
US-2019016600-A1 · Jan 17, 2019 · US
US-2018368416-A1 · Dec 27, 2018 · US
US-2018311708-A1 · Nov 1, 2018 · US
US-10099190-B2 · Oct 16, 2018 · US
US-10092889-B2 · Oct 9, 2018 · US
US-10087110-B2 · Oct 2, 2018 · US
US-2018272568-A1 · Sep 27, 2018 · US
US-10052789-B2 · Aug 21, 2018 · US
US-2018230063-A1 · Aug 16, 2018 · US
US-2018194692-A1 · Jul 12, 2018 · US
US-10017425-B2 · Jul 10, 2018 · US
US-10011043-B2 · Jul 3, 2018 · US
US-2018141869-A1 · May 24, 2018 · US
US-9975813-B2 · May 22, 2018 · US
US-2018135437-A1 · May 17, 2018 · US
US-2018071950-A1 · Mar 15, 2018 · US
US-2018065337-A1 · Mar 8, 2018 · US
US-2018057413-A1 · Mar 1, 2018 · US
Answers are generated from the same data shown on this page.