Variable flow control nozzle for swimming pools and spas
US-2025375779-A1 · Dec 11, 2025 · US
Pool nozzles
Pool nozzles · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04H4/169 |
| Official title | {Pool nozzles} |
| Display label | Pool nozzles |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 7 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mobile nozzles and associated systems for cleaning pools and spas
US-12385272-B2 · Aug 12, 2025 · US
Pool hose and pool pump apparatuses and methods
US-12241273-B2 · Mar 4, 2025 · US
Pool cleaner with cyclonic flow
US-12065854-B2 · Aug 20, 2024 · US
Pool hose and pool pump apparatuses and methods
US-2023026550-A1 · Jan 26, 2023 · US
Mobile Nozzles And Associated Systems For Cleaning Pools And Spas
US-2022220762-A1 · Jul 14, 2022 · US
Pool Cleaner with Cyclonic Flow
US-2022145654-A1 · May 12, 2022 · US
Water spraying device and pool
US-11313143-B2 · Apr 26, 2022 · US
Pool cleaner with cyclonic flow
US-11236523-B2 · Feb 1, 2022 · US
Pipeline system of inflatable spa
US-11220831-B2 · Jan 11, 2022 · US
Water spraying device and pool
US-2020370321-A1 · Nov 26, 2020 · US
Valve assemblies principally for in-floor swimming pool cleaning systems
US-10731774-B2 · Aug 4, 2020 · US
Swimming pool deck jet system and associated methods
US-10731368-B2 · Aug 4, 2020 · US
Pipeline system of inflatable spa
US-2020232237-A1 · Jul 23, 2020 · US
Pool cleaner with cyclonic flow
US-2020181930-A1 · Jun 11, 2020 · US
Pipeline system of inflatable SPA
US-10619370-B2 · Apr 14, 2020 · US
Pool cleaner with cyclonic flow
US-10557278-B2 · Feb 11, 2020 · US
Valve assemblies principally for in-floor swimming pool cleaning systems
US-2019301636-A1 · Oct 3, 2019 · US
Pipeline system of inflatable spa
US-2019032351-A1 · Jan 31, 2019 · US
Swimming Pool Deck Jet System And Associated Methods
US-2018313103-A1 · Nov 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E04H4/169?
- CPC E04H4/169 is the Cooperative Patent Classification code for “Pool nozzles.”
- How many patents are filed under CPC E04H4/169 (Pool nozzles)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC E04H4/169 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).