Patent holdings for IPC class B61H 9/06

Total number of patents in this class: 36

10-year publication summary

2
1
3
5
4
4
0
4
1
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Kelvin Thermal Energy Inc.
24
5
Siemens Mobility GmbH
1720
5
Faiveley Transport Italia S.p.A.
159
2
Schweizerische Bundesbahnen SBB
41
2
Aerom Sistemas de Transporte SA
7
2
Siemens AG
24484
1
Robert Bosch GmbH
42689
1
Mitsubishi Electric Corporation
46093
1
Harris Corporation
1433
1
Central Japan Railway Company
113
1
Kelvin Storage Canada Inc.
2
1
Kinergypower International Corporation
3
1
Knoxville Locomotive Works, Inc.
10
1
Nabtesco Corporation
889
1
Omnitek Partners LLC
206
1
Transnet SOC Ltd
5
1
VYCON, Inc.
5
1
Ziptrek Ecotours Inc.
14
1
Railpower Technologies Corp.
2
1
Kelvin Storage Technologies, Inc.
3
1
Other owners 5