Patent holdings for IPC class E01B 9/34

Total number of patents in this class: 13

10-year publication summary

1
2
0
1
3
1
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Schwihag AG
30
2
Vossloh-Werke GmbH
87
2
Progress Rail Services Corp
222
1
Amsted Rail Company, Inc.
429
1
Atlantic Track & Turnout Co.
2
1
L. B. Foster Company
12
1
Pandrol Limited
89
1
Beijing Tieke Shougang Rail-tech. Co., Ltd
5
1
Destec Pty Ltd
5
1
Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited
7
1
Voestalpine Railway Systems Nortrak LLC
49
1
Other owners 0