Patent holdings for IPC class E01B 31/13

Total number of patents in this class: 41

10-year publication summary

4
4
4
3
2
7
6
5
2
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Schweerbau International GmbH & Co. KG
13
10
Greenleaf Technology Corporation
45
5
Mate GmbH
17
5
Harsco Technologies LLC
162
4
Linsinger Maschinenbau Gesellschaft m.b.H.
21
3
Loram Maintenance of Way, Inc.
62
2
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H.
385
2
Kennametal Inc.
1380
1
DB Netz AG
22
1
Holland, L.P.
56
1
Maschinenfabrik Liezen und Giesserei Ges.m.b.H.
7
1
Pramet Tools, s.r.o.
13
1
Schweerbau GmbH & Co. KG
1
1
Tata Steel UK Limited
162
1
Walter AG
240
1
Industrispår I Ystad AB
1
1
Pandrol
3
1
Other owners 0