- All sections
- E - Fixed constructions
- E01D - Bridges
- E01D 101/30 - Metal
Patent holdings for IPC class E01D 101/30
Total number of patents in this class: 40
10-year publication summary
|
4
|
5
|
3
|
4
|
6
|
3
|
7
|
2
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunan University | 187 |
2 |
| Steel Korea Eng. & Const. Co., Ltd. | 3 |
2 |
| Lockheed Martin Corporation | 3255 |
1 |
| Allied Steel | 5 |
1 |
| ArcelorMittal | 2736 |
1 |
| Fuzhou University | 340 |
1 |
| Hans Künz GmbH | 31 |
1 |
| Jiangsu Huning Steel; Mechanism Co., Ltd | 12 |
1 |
| Samuel, Son & Co., Limited | 31 |
1 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 42 |
1 |
| Shenzhen Municipal Design & Research Institute Co., Ltd. | 24 |
1 |
| Shibata Industrial Co., Ltd. | 11 |
1 |
| Sho-bond Corporation | 17 |
1 |
| Tongji University | 623 |
1 |
| Wilhelm Layher Verwaltungs-GmbH | 82 |
1 |
| Zhejiang University | 3478 |
1 |
| Shandong Luqiao Group Co., Ltd. | 6 |
1 |
| Shenzhen Innova-Wise Engineering Technology Consulting Co., Ltd. | 9 |
1 |
| China Construction Steel Structure Corp. Ltd. | 36 |
1 |
| CCCC Second Highway Consultant Co., Ltd. | 1 |
1 |
| Other owners | 18 |