Patent holdings for IPC class B61H 11/02

Total number of patents in this class: 10

10-year publication summary

2
0
2
1
4
3
0
0
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Faiveley Transport Amiens
39
2
Beijing Jiaotong University
178
1
Enersul Inc.
10
1
Hanning & Kahl GmbH & Co. KG
35
1
Nabtesco Corporation
860
1
Semes Co., Ltd.
1679
1
Westinghouse Air Brake Technologies Corporation
487
1
Polin SU Parklari ve Havuz Sistemleri Anonim Sirketi
42
1
CRRC Nanjing Puzhen Co., Ltd.
104
1
Other owners 0