- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 12/00 - TowersMasts or polesChimney stacksWater-towersMethods of erecting such structures
Patent holdings for IPC class E04H 12/00
Total number of patents in this class: 577
10-year publication summary
|
56
|
51
|
43
|
29
|
34
|
29
|
21
|
32
|
20
|
11
|
| 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 | 3751 |
19 |
| Siemens Gamesa Renewable Energy A/S | 1924 |
11 |
| Osmose Utilities Services, Inc. | 139 |
10 |
| GE Infrastructure Technology, LLC | 6214 |
8 |
| Signify Holding B.V. | 7849 |
7 |
| General Electric Renovables Espana, S.L. | 134 |
7 |
| Hubbell Incorporated | 3394 |
6 |
| ThyssenKrupp Steel Europe AG | 977 |
6 |
| Tower Engineering Solutions, LLC | 15 |
6 |
| Nordex Energy Spain, S.A.U. | 149 |
6 |
| Meyer Utility Structures LLC | 27 |
6 |
| Shanghai Shemar Power Engineering Co., Ltd. | 21 |
6 |
| NEC Corporation | 36545 |
5 |
| Beaverfit Limited | 29 |
5 |
| Valmont Industries, Inc. | 464 |
5 |
| Werner Extrusion Solutions LLC | 20 |
5 |
| Siemens AG | 24250 |
4 |
| Nippon Telegraph and Telephone Corporation | 16247 |
4 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 378 |
4 |
| ConXtech, Inc. | 81 |
4 |
| Other owners | 443 |