- 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: 28
10-year publication summary
|
0
|
4
|
5
|
3
|
4
|
6
|
3
|
5
|
2
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lockheed Martin Corporation | 3276 |
1 |
| Allied Steel | 5 |
1 |
| ArcelorMittal | 2272 |
1 |
| Fuzhou University | 313 |
1 |
| Hans Künz GmbH | 30 |
1 |
| Jiangsu Huning Steel; Mechanism Co., Ltd | 13 |
1 |
| Samuel, Son & Co., Limited | 36 |
1 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 35 |
1 |
| Shenzhen Municipal Design & Research Institute Co., Ltd. | 24 |
1 |
| Wilhelm Layher Verwaltungs-GmbH | 73 |
1 |
| Zhejiang University | 3126 |
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 |
| Zhejiang University City College | 50 |
1 |
| Hengqin Gonge Technology Co., Ltd. | 5 |
1 |
| Kunshan Dingniu Shizheng Construction Co., Ltd. | 4 |
1 |
| LU, Guolin | 1 |
1 |
| Steel Korea Eng. & Const. Co., Ltd. | 2 |
1 |
| Other owners | 8 |