Patent holdings for IPC class E01B 9/28

Total number of patents in this class: 38

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Pandrol Limited
94
8
Vossloh-Werke GmbH
96
3
Lewis Bolt & Nut Company
22
2
Semperit AG Holding
30
2
PCM RAIL.ONE AG
20
2
Vossloh Fastening Systems GmbH
14
2
Progress Rail Services Corp
225
1
HF Holding SA
28
1
Korea Railroad Research Institute
175
1
Pultrusion Technique Inc.
56
1
Racine Railroad Products, Inc.
18
1
RAIL.ONE GmbH
25
1
Sampyo Engineering & Construction Ltd.
1
1
Vossloh Cogifer
14
1
Plasticos Mondragon, S.A.U.
1
1
PCM RAIL.ONE GmbH
1
1
HR System Hungary Zrt.
1
1
Korea Rail Network Authority
2
1
Pandrol Iberica S.A.U.
5
1
RTE Technologie GmbH
6
1
Other owners 5