Safety markers for a hydrogen fuel system
US-2024359816-A1 · Oct 31, 2024 · US
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Tagging additives
Tagging additives · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C06B23/008 |
| Official title | {Tagging additives} |
| Display label | Tagging additives |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Safety markers for a hydrogen fuel system
US-12037128-B2 · Jul 16, 2024 · US
Self-glowing materials and tracer ammunition
US-11624595-B2 · Apr 11, 2023 · US
Safety markers for a hydrogen fuel system
US-2022306310-A1 · Sep 29, 2022 · US
Self-Glowing Materials and Tracer Ammunition
US-2021364261-A1 · Nov 25, 2021 · US
Self-glowing materials and tracer ammunition
US-11105598-B2 · Aug 31, 2021 · US
Illuminants and illumination devices
US-10900758-B2 · Jan 26, 2021 · US
Self-glowing materials and tracer ammunition
US-2020326167-A1 · Oct 15, 2020 · US
Illuminants and illumination devices
US-2020166318-A1 · May 28, 2020 · US
Self-glowing materials and tracer ammunition
US-10557696-B2 · Feb 11, 2020 · US
Illuminants and illumination devices
US-10422613-B2 · Sep 24, 2019 · US
Inflator
US-10005420-B2 · Jun 26, 2018 · US
Illuminants and illumination devices
US-2018156590-A1 · Jun 7, 2018 · US
Self-glowing materials and tracer ammunition
US-2018156589-A1 · Jun 7, 2018 · US
Inflator
US-2017088090-A1 · Mar 30, 2017 · US
Method of producing nanoparticle taggants for explosive precursors
US-9162514-B1 · Oct 20, 2015 · US
Method of producing nanoparticle taggants for explosive precursors
US-2015283846-A1 · Oct 8, 2015 · US