- 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: 579
10-year publication summary
|
66
|
63
|
49
|
33
|
42
|
33
|
24
|
33
|
22
|
27
|
| 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 | 3831 |
18 |
| Siemens Gamesa Renewable Energy A/S | 1976 |
11 |
| Osmose Utilities Services, Inc. | 144 |
10 |
| Shanghai Shemar Power Engineering Co., Ltd. | 28 |
9 |
| GE Infrastructure Technology, LLC | 6152 |
8 |
| Signify Holding B.V. | 8201 |
7 |
| General Electric Renovables Espana, S.L. | 134 |
7 |
| Hubbell Incorporated | 3462 |
6 |
| Jiangsu Shemar Electric Co., Ltd | 85 |
6 |
| ThyssenKrupp Steel Europe AG | 996 |
6 |
| Tower Engineering Solutions, LLC | 15 |
6 |
| Nordex Energy Spain, S.A.U. | 187 |
6 |
| Meyer Utility Structures LLC | 27 |
6 |
| NEC Corporation | 37491 |
5 |
| Beaverfit Limited | 30 |
5 |
| Werner Extrusion Solutions LLC | 20 |
5 |
| Siemens AG | 23913 |
4 |
| Nippon Telegraph and Telephone Corporation | 15911 |
4 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 390 |
4 |
| ConXtech, Inc. | 80 |
4 |
| Other owners | 442 |