- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 5/04 - Transformer housesSubstations or switchgear houses
Patent holdings for IPC class E04H 5/04
Total number of patents in this class: 63
10-year publication summary
|
5
|
3
|
6
|
3
|
7
|
1
|
2
|
5
|
5
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Blue Solutions | 134 |
4 |
| Schweitzer Engineering Laboratories, Inc. | 908 |
3 |
| Stations-e | 12 |
3 |
| Siemens AG | 23996 |
2 |
| Hubbell Incorporated | 3455 |
2 |
| ABB Schweiz AG | 7656 |
2 |
| Score Group plc | 7 |
2 |
| Smart Wires Inc. | 95 |
2 |
| State Grid Corporation of China | 1402 |
2 |
| The Tata Power Company Limited | 18 |
2 |
| Vestas Wind Systems A/S | 3806 |
2 |
| State Grid Smart Grid Research Institute Co., Ltd. | 63 |
2 |
| Hitachi Energy Ltd. | 2600 |
2 |
| Modular Data Centers Industria, Comércio e Serviços Ltda | 10 |
2 |
| Caterpillar Inc. | 10284 |
1 |
| Delta Electronics, Inc. | 2845 |
1 |
| Battelle Energy Alliance, LLC | 587 |
1 |
| ABB Technology AG | 1224 |
1 |
| AEP Transmission Holding Company, LLC | 8 |
1 |
| Aruana Energia S/A | 19 |
1 |
| Other owners | 25 |