Patent holdings for IPC class E01D 19/02

Total number of patents in this class: 174

10-year publication summary

13
12
12
13
12
14
18
19
16
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Shandong University
1029
4
Shenzhen Municipal Design & Research Institute Co., Ltd.
24
4
Supportec Co., Ltd.
14
4
Hengqin Gonge Technology Co., Ltd.
5
4
PERI SE
411
4
Contech Engineered Solutions LLC
278
3
FiberCore IP B.V.
26
3
Hitachi Zosen Corporation
621
3
Laing O'Rourke plc
24
3
Samsung C&T Corporation
188
3
Summit Precast Concrete LP
6
3
Halliburton Energy Services, Inc.
20835
2
ArcelorMittal
2271
2
Asahi Engineering Co., Ltd.
7
2
Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
823
2
BYD Company Limited
4941
2
Daewoo Engineering & Construction Co., Ltd.
28
2
Fuzhou University
313
2
IHI Corporation
3414
2
Korea Railroad Research Institute
177
2
Other owners 118