Patent holdings for IPC class E01B 11/08

Total number of patents in this class: 3

10-year publication summary

1
0
0
0
1
0
0
1
0
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
1
L.B. Foster Company
53
1
Ferrovial Agroman, S.A.
7
1
Other owners 0