Modularized thermal management
US-2025020418-A1 · Jan 16, 2025 · US
Transformer houses; Substations or switchgear houses
Transformer houses; Substations or switchgear houses · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04H5/04 |
| Official title | Transformer houses; Substations or switchgear houses |
| Display label | Transformer houses; Substations or switchgear houses |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sound barrier system for reducing electric field distortion
US-2024221712-A1 · Jul 4, 2024 · US
Fall protection system for electrical transformers
US-11959291-B2 · Apr 16, 2024 · US
Platform for space-saving configuration of an energy conversion installation, and energy conversion installation
US-2024035298-A1 · Feb 1, 2024 · US
Protective barriers and related methods
US-11788320-B2 · Oct 17, 2023 · US
Emergency restoration system and method
US-11674328-B2 · Jun 13, 2023 · US
Enclosure segments for forming an enclosure for an engine generator set
US-11591954-B2 · Feb 28, 2023 · US
Protective barriers and related methods
US-2022282520-A1 · Sep 8, 2022 · US
Emergency restoration system and method
US-11225808-B2 · Jan 18, 2022 · US
Enclosure segments for forming an enclosure for an engine generator set
US-2021404378-A1 · Dec 30, 2021 · US
Emergency restoration system and method
US-2021396033-A1 · Dec 23, 2021 · US
Emergency restoration system and method
US-2021348415-A1 · Nov 11, 2021 · US
Fall protection system for electrical transformers
US-2021254355-A1 · Aug 19, 2021 · US
Container
US-10894498-B2 · Jan 19, 2021 · US
Containerized power flow control systems
US-10770870-B2 · Sep 8, 2020 · US
Containerized Power Flow Control Systems
US-2019348822-A1 · Nov 14, 2019 · US
Container energy storage system
US-10439372-B2 · Oct 8, 2019 · US
Containerized power flow control systems
US-10396533-B1 · Aug 27, 2019 · US
Containerized Power Flow Control Systems
US-2019260189-A1 · Aug 22, 2019 · US
Container
US-2018339636-A1 · Nov 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E04H5/04?
- CPC E04H5/04 is the Cooperative Patent Classification code for “Transformer houses; Substations or switchgear houses.”
- How many patents are filed under CPC E04H5/04 (Transformer houses; Substations or switchgear houses)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC E04H5/04 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).