Flexible dry sprinkler having a differential pressure controller
US-2023330464-A1 · Oct 19, 2023 · US
for freezing warehouses and storages
for freezing warehouses and storages · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A62C3/004 |
| Official title | {for freezing warehouses and storages} |
| Display label | for freezing warehouses and storages |
| Total patents | 82 |
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 |
| 2016 | 6 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 13 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dry sprinkler assembly
US-11712591-B2 · Aug 1, 2023 · US
Improved antifreeze for fire sprinkler systems
US-2023173318-A1 · Jun 8, 2023 · US
Antifreeze formulations and sprinkler systems comprising improved antifreezes
US-2023132729-A1 · May 4, 2023 · US
System and method for monitoring and controlling a fire suppression system
US-11577109-B2 · Feb 14, 2023 · US
Antifreeze formulations and sprinkler systems comprising improved antifreezes
US-11559716-B2 · Jan 24, 2023 · US
System and method for monitoring differential pressure across a dry pipe valve in a fire suppression system
US-2023013853-A1 · Jan 19, 2023 · US
Preaction sprinkler valve assemblies, related dry sprinkler devices and fire protection sprinkler systems
US-11547888-B2 · Jan 10, 2023 · US
System and method for monitoring differential pressure across a dry pipe valve in a fire suppression system
US-11458341-B2 · Oct 4, 2022 · US
Fire extinguisher
US-11383112-B2 · Jul 12, 2022 · US
Sprinkler assembly connector for flexible conduit
US-11383262-B2 · Jul 12, 2022 · US
Dry sprinkler
US-2022118299-A1 · Apr 21, 2022 · US
Arrangement of Extended Coverage Dry Pendent Storage Sprinklers for a Storage Freezer
US-2022111239-A1 · Apr 14, 2022 · US
Extended coverage dry pendent storage sprinkler for a large storage freezer
US-11241598-B2 · Feb 8, 2022 · US
Dry sprinkler assembly
US-11207551-B2 · Dec 28, 2021 · US
Antifreeze formulations and sprinkler systems comprising improved antifreezes
US-2021387032-A1 · Dec 16, 2021 · US
Dry Sprinkler Assembly
US-2021361989-A1 · Nov 25, 2021 · US
Dry sprinkler assemblies
US-2021346743-A1 · Nov 11, 2021 · US
Flexible dry sprinkler having a differential pressure controller
US-2021290999-A1 · Sep 23, 2021 · US
Preaction sprinkler valve assemblies, related dry sprinkler devices and fire protection sprinkler systems
US-2021291002-A1 · Sep 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A62C3/004?
- CPC A62C3/004 is the Cooperative Patent Classification code for “for freezing warehouses and storages.”
- How many patents are filed under CPC A62C3/004 (for freezing warehouses and storages)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC A62C3/004 growing?
- Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).