Patent holdings for IPC class E01B 31/04

Total number of patents in this class: 23

10-year publication summary

0
2
0
1
6
3
1
1
3
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Cembre S.p.A.
81
6
Robel Bahnbaumaschinen GmbH
114
4
Husqvarna AB
2824
3
Geismar
13
3
Hilti Aktiengesellschaft
3227
2
Holland, L.P.
56
2
The Stanley Works
26
1
Herzog Contracting Corp.
18
1
Societe des Anciens Etablissements L. Geismar
8
1
Other owners 0