Patent holdings for IPC class E01B 27/00

Total number of patents in this class: 80

10-year publication summary

12
4
9
5
4
3
4
3
3
0
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
23
Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H.
87
6
Harsco Corporation
56
4
K & K Maschinenentwicklungs GmbH & Co. KG
10
3
Progress Rail Services Corp
225
2
Ballast Tools, Inc.
2
2
Hyperion Verwaltung GmbH
7
2
Loram Maintenance of Way, Inc.
62
2
China Railway Construction Corporation Limited
8
2
China Railway Siyuan Survey and Design Group Co., Ltd.
66
2
Hürlimann Railtec AG
5
2
Loram Technologies, Inc.
60
2
BASF SE
19740
1
Bayer Intellectual Property GmbH
2671
1
Bayer MaterialScience AG
874
1
Alstom Transport Technologies
566
1
Covestro Deutschland AG
2429
1
Diversified Products, LLC
5
1
Dymax, Inc.
3
1
Harsco Technologies Corporation
4
1
Other owners 20