- All sections
- E - Fixed constructions
- E01D - Bridges
- E01D 6/00 - Truss-type bridges
Patent holdings for IPC class E01D 6/00
Total number of patents in this class: 38
10-year publication summary
|
5
|
6
|
8
|
3
|
1
|
2
|
1
|
2
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HNTB Corporation | 6 |
5 |
| University of Notre Dame du Lac | 563 |
5 |
| 9306-1695 Quebec Inc. | 3 |
3 |
| POSCO Co., Ltd. | 1564 |
2 |
| Zhejiang University City College | 50 |
2 |
| Allied Steel | 5 |
1 |
| Ecos MacLean Ltd | 1 |
1 |
| Freyssinet International (STUP) | 10 |
1 |
| IPI Access AS | 2 |
1 |
| Jack Kennedy Metal Products & Buildings, Inc. | 34 |
1 |
| Jiangsu Huning Steel; Mechanism Co., Ltd | 13 |
1 |
| Korea Airports Corporation | 57 |
1 |
| Korea Railroad Research Institute | 177 |
1 |
| Politecnico di Milano | 847 |
1 |
| Wilhelm Layher Verwaltungs-GmbH | 73 |
1 |
| Pibridge Ltd | 6 |
1 |
| PSP Engineering a.s. | 7 |
1 |
| Max Bögl Stiftung & Co. KG | 6 |
1 |
| China Railway Eryuan Engineering Group. Ltd | 12 |
1 |
| Hanam Construction Inc | 1 |
1 |
| Other owners | 6 |