- All sections
- E - Fixed constructions
- E04H - Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general
- E04H 12/12 - Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcement, e.g. with metal coverings, with permanent form elements
Patent holdings for IPC class E04H 12/12
Total number of patents in this class: 272
10-year publication summary
|
34
|
17
|
24
|
14
|
14
|
21
|
22
|
36
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nordex Energy Spain, S.A.U. | 160 |
42 |
| Wobben Properties GmbH | 1221 |
28 |
| GE Infrastructure Technology, LLC | 6180 |
9 |
| Nordex Energy SE & Co. KG | 252 |
9 |
| General Electric Company | 13823 |
8 |
| Esteyco S.A.P. | 32 |
6 |
| Max Bogl Wind AG | 20 |
6 |
| Soletanche Freyssinet | 492 |
6 |
| Tindall Corporation | 52 |
6 |
| Holcim Technology Ltd. | 474 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28689 |
5 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 20 |
4 |
| Pacadar S.A. | 14 |
4 |
| Wind Tower Technologies, LLC | 11 |
4 |
| Siemens Gamesa Renewable Energy A/S | 1940 |
4 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 338 |
4 |
| Drossler GmbH Umwelttechnik | 5 |
3 |
| Ingecid, Investigación y Desarrollo de Proyectos, S.L. | 21 |
3 |
| University of Maine System Board of Trustees | 279 |
3 |
| Valmont Industries, Inc. | 468 |
3 |
| Other owners | 110 |