- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 12/08 - Structures made of specified materials of metal
Patent holdings for IPC class E04H 12/08
Total number of patents in this class: 423
10-year publication summary
|
47
|
49
|
29
|
47
|
41
|
36
|
28
|
31
|
14
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3745 |
31 |
| Wobben Properties GmbH | 1222 |
23 |
| Siemens Gamesa Renewable Energy A/S | 1917 |
14 |
| Keystone Tower Systems, Inc. | 47 |
13 |
| GE Infrastructure Technology, LLC | 6202 |
11 |
| Nordex Energy Spain, S.A.U. | 143 |
8 |
| ThyssenKrupp Steel Europe AG | 973 |
7 |
| Andresen Towers A/S | 11 |
7 |
| innogy SE | 197 |
6 |
| Tower Engineering Solutions, LLC | 15 |
6 |
| Signify Holding B.V. | 7785 |
6 |
| Siemens AG | 24278 |
5 |
| e.n.o. Energy Systems GmbH | 8 |
5 |
| Sif Holding N.V. | 32 |
5 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 373 |
4 |
| Jiangsu Shemar Electric Co., Ltd | 78 |
4 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 331 |
4 |
| Nordex Energy SE & Co. KG | 214 |
4 |
| Great Plains Tower Products LLC | 8 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8961 |
3 |
| Other owners | 253 |