- 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 3/00 - Landing stages for helicopters, e.g. located above buildings
Patent holdings for IPC class E01F 3/00
Total number of patents in this class: 75
10-year publication summary
|
5
|
17
|
10
|
10
|
8
|
8
|
13
|
9
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adwen GmbH | 29 |
4 |
| Marine Aluminium AS | 8 |
3 |
| XTI Air Transit, Inc. | 7 |
3 |
| Urban Air Port Limited | 17 |
3 |
| Aero Facility Co., Ltd. | 4 |
2 |
| B. Financial S.r.l. | 9 |
2 |
| Korea Aerospace Research Institute | 318 |
2 |
| ORGA Holding B.V. | 50 |
2 |
| Safespill Systems LLC | 2 |
2 |
| SZ DJI Technology Co., Ltd | 6841 |
2 |
| Tribune Broadcasting Company, LLC | 56 |
2 |
| Volocopter GmbH | 91 |
2 |
| Aluminium Offshore PTE. Ltd. | 2 |
2 |
| Frictape Net Oy | 2 |
2 |
| Zambelli Imagineering Pty Ltd | 2 |
2 |
| Nuclear Energy Components Limited | 2 |
2 |
| Helidecks S.r.l. | 2 |
2 |
| Ford Global Technologies, LLC | 20379 |
1 |
| Amazon Technologies, Inc. | 26418 |
1 |
| Aurora Flight Sciences Corporation | 240 |
1 |
| Other owners | 33 |