System and method for alert device
US-2026086215-A1 · Mar 26, 2026 · US
Fixed Constructions
Fixed Constructions · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04H4/06 |
| Official title | — |
| Display label | Fixed Constructions (mapped technology topic) |
| Total patents | 34 |
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 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 7 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water circulation system for a pool and a pool
US-2026028841-A1 · Jan 29, 2026 · US
Water circulation system for a pool and a pool
US-12448801-B2 · Oct 21, 2025 · US
Cover-compatible water analyzer
US-2025208112-A1 · Jun 26, 2025 · US
System and method of solar harvesting for aquatic devices
US-2024218686-A1 · Jul 4, 2024 · US
Pool hub apparatus and methods
US-2024197563-A1 · Jun 20, 2024 · US
Water circulation system for a pool and a pool
US-2024183180-A1 · Jun 6, 2024 · US
Pool cleaning system and method to automatically clean surfaces of a pool using images from a camera
US-2024176355-A1 · May 30, 2024 · US
Water circulation system for a pool and a pool
US-11920366-B2 · Mar 5, 2024 · US
Pool covers for swimming pools and spas
US-2024044163-A1 · Feb 8, 2024 · US
Pool cleaning system and method to automatically clean surfaces of a pool using images from a camera
US-11880207-B2 · Jan 23, 2024 · US
Electric leakage protection device for pool apparatus, and pool apparatus
US-2023420929-A1 · Dec 28, 2023 · US
Swimming pool monitoring
US-11676471-B2 · Jun 13, 2023 · US
Security ladder for a pool
US-2022275683-A1 · Sep 1, 2022 · US
Water circulation system for a pool and a pool
US-2022268044-A1 · Aug 25, 2022 · US
Security ladder for a pool
US-11352836-B2 · Jun 7, 2022 · US
Pool cleaning system and method to automatically clean surfaces of a pool using images from a camera
US-2022129005-A1 · Apr 28, 2022 · US
Pool cleaning system and method to automatically clean surfaces of a pool using images from a camera
US-11262766-B2 · Mar 1, 2022 · US
Swimming pool monitoring
US-2022044544-A1 · Feb 10, 2022 · US
Swimming pool monitoring
US-11164437-B2 · Nov 2, 2021 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E04H4/06?
- CPC E04H4/06 is the Cooperative Patent Classification code for “Fixed Constructions.”
- How many patents are filed under CPC E04H4/06 (Fixed Constructions)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC E04H4/06 growing?
- Publication counts under this code: 7 in 2024 vs 2 in 2025 (latest complete years).