- 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: 578
10-year publication summary
|
74
|
65
|
63
|
49
|
33
|
42
|
32
|
21
|
32
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3676 |
19 |
| Osmose Utilities Services, Inc. | 148 |
12 |
| Siemens Gamesa Renewable Energy A/S | 1880 |
11 |
| GE Infrastructure Technology, LLC | 6222 |
8 |
| Signify Holding B.V. | 7551 |
7 |
| General Electric Renovables Espana, S.L. | 131 |
7 |
| Hubbell Incorporated | 3266 |
6 |
| ConXtech, Inc. | 87 |
6 |
| ThyssenKrupp Steel Europe AG | 955 |
6 |
| Valmont Industries, Inc. | 448 |
6 |
| Tower Engineering Solutions, LLC | 15 |
6 |
| Meyer Utility Structures LLC | 28 |
6 |
| Shanghai Shemar Power Engineering Co., Ltd. | 16 |
6 |
| NEC Corporation | 35652 |
5 |
| Werner Extrusion Solutions LLC | 20 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 27928 |
5 |
| Nordex Energy Spain, S.A.U. | 113 |
5 |
| Siemens AG | 24484 |
4 |
| Nippon Telegraph and Telephone Corporation | 17341 |
4 |
| Beaverfit Limited | 29 |
4 |
| Other owners | 440 |