- All sections
- E - Fixed constructions
- E01F - Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like
- E01F 7/04 - Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
Patent holdings for IPC class E01F 7/04
Total number of patents in this class: 235
10-year publication summary
|
7
|
32
|
17
|
18
|
25
|
33
|
9
|
16
|
15
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Geobrugg AG | 107 |
37 |
| ProTec Engineering, Inc. | 25 |
22 |
| Trumer Schutzbauten GesmbH | 22 |
19 |
| Officine Maccaferri S.p.A. | 114 |
14 |
| Betonform S.r.l. | 10 |
5 |
| Institute of Mountain Hazards and Environment Chinese Academy of Sciences | 33 |
5 |
| Technologie Alpine de Securite - TAS | 20 |
5 |
| Tokyo Rope Mfg. Co., Ltd. | 66 |
5 |
| Betonform GmbH | 5 |
5 |
| Pgh-geoservice GmbH | 5 |
5 |
| NV Bekaert SA | 724 |
4 |
| Pfeifer Isofer AG | 5 |
4 |
| Pfeifer Holding GmbH & Co. KG | 38 |
3 |
| Soletanche Freyssinet | 492 |
3 |
| Southwest Jiaotong University | 196 |
3 |
| Nicaud Companies 22 (Pty) Ltd. | 3 |
3 |
| Garibaldi S.A. | 7 |
3 |
| Mnd France | 33 |
3 |
| Soil-nail Holdings, LLC | 38 |
3 |
| Dalian University of Technology | 1595 |
2 |
| Other owners | 82 |