Patent holdings for IPC class E01B 27/00

Total number of patents in this class: 82

10-year publication summary

4
9
5
4
3
4
4
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.
405
24
Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H.
81
6
Harsco Corporation
55
4
K & K Maschinenentwicklungs GmbH & Co. KG
10
3
Progress Rail Services Corp
238
2
Hyperion Verwaltung GmbH
9
2
Loram Maintenance of Way, Inc.
55
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.
59
2
BASF SE
20367
1
Bayer Intellectual Property GmbH
2574
1
Bayer MaterialScience AG
840
1
Alstom Transport Technologies
272
1
Ballast Tools, Inc.
1
1
BNSF Railway Company
368
1
Covestro Deutschland AG
2683
1
Diversified Products, LLC
5
1
Dymax, Inc.
3
1
Other owners 22