Thermal insulation
US-12378379-B2 · Aug 5, 2025 · US
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by freezing
by freezing · 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 | C04B40/0078 |
| Official title | {by freezing} |
| Display label | by freezing |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Artificial nacre material with layered structure and preparation method thereof
US-11267721-B2 · Mar 8, 2022 · US
Artificial nacre material with layered structure and preparation method thereof
US-2021340019-A1 · Nov 4, 2021 · US
Process for the manufacture of a grout for concrete
US-9944566-B2 · Apr 17, 2018 · US
Process for the manufacture of a grout for concrete
US-2015284298-A1 · Oct 8, 2015 · US
Porous articles, methods, and apparatuses for forming same
US-2015001372-A1 · Jan 1, 2015 · US
Porous articles, methods, and apparatuses for forming same
US-2015004521-A1 · Jan 1, 2015 · US
Porous articles, methods, and apparatuses for forming same
US-2015001753-A1 · Jan 1, 2015 · US