Aluminum based nanogalvanic compositions useful for generating hydrogen gas and low temperature processing thereof
US-11198923-B2 · Dec 14, 2021 · US
containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22C21/003 |
| Official title | {containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium} |
| Display label | containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium |
| Total patents | 93 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 5 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 10 |
| 2023 | 8 |
| 2024 | 10 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11198923-B2 · Dec 14, 2021 · US
US-11137027-B2 · Oct 5, 2021 · US
US-2021292914-A1 · Sep 23, 2021 · US
US-11107499-B2 · Aug 31, 2021 · US
US-11066729-B2 · Jul 20, 2021 · US
US-2021162497-A1 · Jun 3, 2021 · US
US-10995389-B2 · May 4, 2021 · US
US-10962055-B2 · Mar 30, 2021 · US
US-10964347-B2 · Mar 30, 2021 · US
US-10941810-B2 · Mar 9, 2021 · US
US-10844463-B2 · Nov 24, 2020 · US
US-2020365877-A1 · Nov 19, 2020 · US
US-2020227086-A1 · Jul 16, 2020 · US
US-10706985-B2 · Jul 7, 2020 · US
US-10640850-B2 · May 5, 2020 · US
US-10590527-B2 · Mar 17, 2020 · US
US-2020024689-A1 · Jan 23, 2020 · US
US-2020017937-A1 · Jan 16, 2020 · US
US-2019368545-A1 · Dec 5, 2019 · US
US-10482914-B2 · Nov 19, 2019 · US
Answers are generated from the same data shown on this page.