Patent holdings for IPC class E01B 31/04

Total number of patents in this class: 23

10-year publication summary

0
1
5
3
1
1
3
2
1
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Cembre S.p.A.
95
6
Husqvarna AB
2977
4
Robel Bahnbaumaschinen GmbH
112
3
Hilti Aktiengesellschaft
3579
2
Holland, L.P.
39
2
Geismar
14
2
Herzog Contracting Corp.
15
1
Societe des Anciens Etablissements L. Geismar
8
1
MORNAC, Jean-Pierre
1
1
MORNAC, Jérôme
1
1
Other owners 0