- All sections
- E - Fixed constructions
- E01D - Bridges
- E01D 19/00 - Details of bridges
Patent holdings for IPC class E01D 19/00
Total number of patents in this class: 222
10-year publication summary
14
|
24
|
15
|
20
|
25
|
22
|
22
|
31
|
22
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dalian University of Technology | 1513 |
10 |
ArcelorMittal | 2271 |
7 |
Safe Rack LLC | 51 |
7 |
Contech Engineered Solutions LLC | 278 |
6 |
Hunan University | 149 |
5 |
Shandong University | 1029 |
5 |
VSL International AG | 87 |
5 |
Shenyang University of Technology | 33 |
4 |
CCCC Highway Bridges National Engineering Research Center Co., Ltd. | 23 |
4 |
PPG Industries Ohio, Inc. | 3456 |
3 |
Dywidag-Systems International GmbH | 75 |
3 |
Fuzhou University | 313 |
3 |
Soletanche Freyssinet | 477 |
3 |
Qingdao University of Technology | 610 |
3 |
China Tiesiju Civil Engineering Group Co., Ltd. | 30 |
3 |
Central South University | 432 |
2 |
Composites Intellectual Holdings, Inc. | 25 |
2 |
FiberCore IP B.V. | 26 |
2 |
Flatiron Constructors, Inc. | 7 |
2 |
The Florida International University Board of Trustees | 608 |
2 |
Other owners | 141 |