Patent holdings for IPC class E01B 35/12

Total number of patents in this class: 40

10-year publication summary

1
3
6
6
4
3
3
0
2
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H.
417
4
Zhejiang University
3126
4
Eber Dynamics AB
3
2
Tetra Tech, Inc.
111
2
The Boeing Company
20042
1
Bouygues Travaux Publics
28
1
Brownline B.V.
8
1
Dalian University of Technology
1517
1
East China Jiaotong University
37
1
ENSCO, Inc.
57
1
Getzner Werkstoffe Holding GmbH
90
1
Harsco Technologies LLC
148
1
International Electronic Machines Corporation
108
1
Konecranes, Inc.
8
1
Korea Railroad Research Institute
177
1
Product & Process Development, S.L.
1
1
University of Huddersfield
32
1
HP3 Real GmbH
45
1
Codiun Limited
3
1
Protran Technology LLC
10
1
Other owners 12