Apparatus and method for passively cooling an interior
US-11209178-B2 · Dec 28, 2021 · 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 | E04C2/28 |
| Official title | — |
| Display label | Fixed Constructions (mapped technology topic) |
| Total patents | 100 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnesium-oxide wall tiles for modular wall systems
US-2021340772-A1 · Nov 4, 2021 · US
Heartwood for sandwich panel, sandwich panel, and method for producing sandwich panel
US-2021277654-A1 · Sep 9, 2021 · US
Composite structure including a structural panel and a metal support
US-2021277653-A1 · Sep 9, 2021 · US
Clay containing protective coatings
US-2021062012-A1 · Mar 4, 2021 · US
Apparatus and method for passively cooling an interior
US-2021018193-A1 · Jan 21, 2021 · US
Magnetically shielded room
US-10876288-B2 · Dec 29, 2020 · US
Engineered Waterproof Plastic Composite Flooring and Wall Covering Planks
US-2020385999-A1 · Dec 10, 2020 · US
Engineered waterproof plastic composite flooring and wall covering planks
US-10787822-B2 · Sep 29, 2020 · US
Apparatus and method for passively cooling an interior
US-10704794-B2 · Jul 7, 2020 · US
Mechanical locking system for floor panels
US-2020208413-A1 · Jul 2, 2020 · US
Mechanical locking system for floor panels
US-2020208412-A1 · Jul 2, 2020 · US
Humidity and sag resistant building panel
US-2020207056-A1 · Jul 2, 2020 · US
Humidity and sag resistant building panel
US-10639865-B2 · May 5, 2020 · US
Mechanical locking system for floor panels
US-10633870-B2 · Apr 28, 2020 · US
Gypsum panels, systems, and methods
US-10626609-B2 · Apr 21, 2020 · US
Interior building materials
US-2020080320-A1 · Mar 12, 2020 · US
Sustainable construction material and method of preparation and use thereof
US-2020062646-A1 · Feb 27, 2020 · US
Multi-shelled shielded room and method for the production of a multi-shelled shielded room
US-2020037475-A1 · Jan 30, 2020 · US
Interlocking wear-resistant panel system
US-10543985-B2 · Jan 28, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E04C2/28?
- CPC E04C2/28 is the Cooperative Patent Classification code for “Fixed Constructions.”
- How many patents are filed under CPC E04C2/28 (Fixed Constructions)?
- Our database includes 100 publications tagged with this CPC code.
- Is patent activity under CPC E04C2/28 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).