Fusible phase-change powders for thermal management, methods of manufacture thereof, and articles containing the powders
US-11535783-B2 · Dec 27, 2022 · US
Fireproofing materials (for use in a particular application, see the relevant places, e.g. fireproofing of wood B27K, of polymers C08, of textiles D06M, of paper D21H; fireproof paints C09D5/18)
Fireproofing materials (for use in a particular application, see the relevant places, e.g. fireproofing of wood B27K, of polymers C08, of textiles D06M, of paper D21H; fireproof paints C09D5/18) · 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 | C09K21/00 |
| Official title | Fireproofing materials (for use in a particular application, see the relevant places, e.g. fireproofing of wood B27K, of polymers C08, of textiles D06M, of paper D21H; fireproof paints C09D5/18) |
| Display label | Fireproofing materials (for use in a particular application, see the relevant places, e.g. fireproofing of wood B27K, of polymers C08, of textiles D06M, of paper D21H; fireproof paints C09D5/18) |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 12 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flame-retardant, moisture-cured wire and cable constructions with improved glancing impact performance
US-11339292-B2 · May 24, 2022 · US
Flame-retardant cable with self-extinguishing coating layer
US-2022148760-A1 · May 12, 2022 · US
Asphaltic sheet materials including expandable graphite
US-2022126547-A1 · Apr 28, 2022 · US
Flame retardant vapor retarding membranes
US-11236237-B2 · Feb 1, 2022 · US
Microlattice structures including flame retardant materials and compositions and methods for forming the same
US-11155681-B2 · Oct 26, 2021 · US
System and method for fiber reinforced aerogel insulation
US-11143353-B2 · Oct 12, 2021 · US
Positive temperature coefficient film, positive temperature coefficient electrode, positive temperature coefficient separator, and battery comprising the same
US-2021313627-A1 · Oct 7, 2021 · US
Asphaltic sheet materials including expandable graphite
US-11065841-B2 · Jul 20, 2021 · US
Positive temperature coefficient film, positive temperature coefficient electrode, positive temperature coefficient separator, and battery comprising the same
US-11056726-B2 · Jul 6, 2021 · US
Battery for a handheld machine tool and method for producing a battery for a handheld machine tool
US-10833300-B2 · Nov 10, 2020 · US
A flame-retardant composition, a method for preparing the same and an article therefrom
US-2020347205-A1 · Nov 5, 2020 · US
Fire protection material, high-pressure storage tank coated with said material, methods for preparing same, and uses thereof
US-10765897-B2 · Sep 8, 2020 · US
Heat resistant systems and methods
US-10744355-B2 · Aug 18, 2020 · US
System and method for fiber reinforced aerogel insulation
US-2020182394-A1 · Jun 11, 2020 · US
Fusible phase-change powders for thermal management, methods of manufacture thereof, and articles containing the powders
US-2020172783-A1 · Jun 4, 2020 · US
System and method for fiber reinforced aerogel insulation
US-10612717-B2 · Apr 7, 2020 · US
System and method for fiber reinforced aerogel insulation
US-2020080681-A1 · Mar 12, 2020 · US
Anode for high-energy batteries
US-2020063036-A1 · Feb 27, 2020 · US
Positive temperature coefficient film, positive temperature coefficient electrode, positive temperature coefficient separator, and battery comprising the same
US-2020044292-A1 · Feb 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K21/00?
- CPC C09K21/00 is the Cooperative Patent Classification code for “Fireproofing materials (for use in a particular application, see the relevant places, e.g. fireproofing of wood B27K, of polymers C08, of textiles D06M, of paper D21H; fireproof paints C09D5/18).”
- How many patents are filed under CPC C09K21/00 (Fireproofing materials (for use in a particular application, see the relevant places, e.g. fireproofing of wood B27K, of polymers C08, of textiles D06M, of paper D21H; fireproof paints C09D5/18))?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC C09K21/00 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).