Patent holdings for IPC class E01B 27/04

Total number of patents in this class: 49

10-year publication summary

0
1
3
1
4
2
7
3
5
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H.
385
10
Matisa Materiel Industriel SA
66
9
Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H.
87
8
BNSF Railway Company
328
3
Nordco Inc.
104
3
Dymax, Inc.
3
2
Newstyle Nominees Pty. Ltd.
3
2
Racine Railroad Products, Inc.
18
2
Soterran Group, LLC
27
2
Matisa Materiel Industriel SA
13
2
Pop-up Metro LLC
3
2
Diversified Products, LLC
5
1
Loram Maintenance of Way, Inc.
62
1
Maruma Technica Co., Ltd.
1
1
J.D. Rail Machines Australia Pty Ltd
1
1
Other owners 0