Patent holdings for IPC class E01B 11/54

Total number of patents in this class: 38

10-year publication summary

0
3
1
3
5
0
1
0
2
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Koppers Delaware, Inc.
71
16
Movares Nederland B.V.
16
3
Corus Technology BV
7
2
DB Netz AG
22
2
L. B. Foster Company
13
2
L.B. Foster Company
53
2
Pultrusion Technique Inc.
56
2
Thermon Heating Systems, Inc.
16
2
Siemens AG
24990
1
Alstom Transport Technologies
566
1
ERICO International Corporation
212
1
Lankhorst Recycling Products B.V.
1
1
Plastex SA
28
1
AB Consulting S.A.S. di Andrea Bracciali & C.
3
1
Rail Innovations Limited
1
1
Other owners 0