Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud
US-12590641-B2 · Mar 31, 2026 · US
Valves for preventing return flow {(in gullies, drains or the like E03F5/042)}
Valves for preventing return flow {(in gullies, drains or the like E03F5/042)} · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E03F7/04 |
| Official title | Valves for preventing return flow {(in gullies, drains or the like E03F5/042)} |
| Display label | Valves for preventing return flow {(in gullies, drains or the like E03F5/042)} |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 11 |
| 2024 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Backflow prevention assembly having a cartridge with dual zone testing
US-12181059-B2 · Dec 31, 2024 · US
Telescoping spring retention assembly for a check valve
US-12181060-B2 · Dec 31, 2024 · US
Compact valve assembly
US-12123510-B2 · Oct 22, 2024 · US
Telescoping spring retention assembly for a check valve
US-2024093797-A1 · Mar 21, 2024 · US
Check valve cartridge with flow guide for compact backflow prevention assembly
US-11852254-B2 · Dec 26, 2023 · US
Backflow prevention assembly having a cartridge with dual zone testing
US-11835147-B2 · Dec 5, 2023 · US
Backflow prevention assembly having a cartridge with dual zone testing
US-2023383856-A1 · Nov 30, 2023 · US
Reversible spring retention assembly for a valve
US-11821529-B2 · Nov 21, 2023 · US
Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud
US-2023332702-A1 · Oct 19, 2023 · US
Compact valve assembly
US-2023313508-A1 · Oct 5, 2023 · US
Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud
US-11719352-B2 · Aug 8, 2023 · US
Backflow prevention assembly having a cartridge with dual zone testing
US-2023228067-A1 · Jul 20, 2023 · US
Backflow prevention assembly with telescoping bias assembly and reversible valve member
US-11674609-B2 · Jun 13, 2023 · US
Reversible spring retention assembly for a valve
US-2023140314-A1 · May 4, 2023 · US
Apparatus and method for valve cartridge extraction
US-11585076-B2 · Feb 21, 2023 · US
Check valve cartridge with flow guide for compact backflow prevention assembly
US-2022049487-A1 · Feb 17, 2022 · US
Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud
US-2022049786-A1 · Feb 17, 2022 · US
Backflow prevention assembly with telescoping bias assembly and reversible valve member
US-2022049781-A1 · Feb 17, 2022 · US
Apparatus and method for valve cartridge extraction
US-2021230850-A1 · Jul 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E03F7/04?
- CPC E03F7/04 is the Cooperative Patent Classification code for “Valves for preventing return flow {(in gullies, drains or the like E03F5/042)}.”
- How many patents are filed under CPC E03F7/04 (Valves for preventing return flow {(in gullies, drains or the like E03F5/042)})?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC E03F7/04 growing?
- Publication counts under this code: 11 in 2023 vs 4 in 2024 (latest complete years).