Patent holdings for IPC class E01B 27/00

Total number of patents in this class: 82

10-year publication summary

4
6
5
4
2
4
3
4
1
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H.
421
24
Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H.
69
6
Harsco Corporation
49
4
Progress Rail Services Corp
236
3
K & K Maschinenentwicklungs GmbH & Co. KG
9
3
Hyperion Verwaltung GmbH
9
2
Loram Maintenance of Way, Inc.
52
2
China Railway Construction Corporation Limited
8
2
China Railway Siyuan Survey and Design Group Co., Ltd.
69
2
Hürlimann Railtec AG
5
2
Loram Technologies, Inc.
54
2
BASF SE
21080
1
Bayer Intellectual Property GmbH
2459
1
Bayer MaterialScience AG
774
1
Alstom Holdings
620
1
BNSF Railway Company
465
1
Covestro Deutschland AG
2784
1
Diversified Products, LLC
5
1
Dymax, Inc.
6
1
Harsco Technologies Corporation
3
1
Other owners 21