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