Valve including an expandable metal seal
US-12421823-B2 · Sep 23, 2025 · US
the packing being of a non-resilient material, e.g. ceramic, metal · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16K3/0236 |
| Official title | {the packing being of a non-resilient material, e.g. ceramic, metal} |
| Display label | the packing being of a non-resilient material, e.g. ceramic, metal |
| Total patents | 63 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12421823-B2 · Sep 23, 2025 · US
US-12338705-B2 · Jun 24, 2025 · US
US-12297924-B2 · May 13, 2025 · US
US-2025084925-A1 · Mar 13, 2025 · US
US-12181066-B2 · Dec 31, 2024 · US
US-2024344614-A1 · Oct 17, 2024 · US
US-2024271708-A1 · Aug 15, 2024 · US
US-2024271707-A1 · Aug 15, 2024 · US
US-11994228-B2 · May 28, 2024 · US
US-2024003434-A1 · Jan 4, 2024 · US
US-11796069-B2 · Oct 24, 2023 · US
US-2023332478-A1 · Oct 19, 2023 · US
US-11754190-B2 · Sep 12, 2023 · US
US-2023243431-A1 · Aug 3, 2023 · US
US-2023167910-A1 · Jun 1, 2023 · US
US-11585445-B1 · Feb 21, 2023 · US
US-2023003305-A1 · Jan 5, 2023 · US
US-11512783-B2 · Nov 29, 2022 · US
US-11466783-B2 · Oct 11, 2022 · US
US-2022221064-A1 · Jul 14, 2022 · US
Answers are generated from the same data shown on this page.