Patent holdings for IPC class B61C 17/12

Total number of patents in this class: 310

10-year publication summary

24
20
29
28
21
15
22
9
10
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
GE Global Sourcing LLC
904
52
Transportation IP Holdings, LLC
908
30
Mitsubishi Electric Corporation
45020
25
Progress Rail Locomotive Inc.
306
23
General Electric Company
17807
15
Cattron North America, Inc.
139
11
Hitachi, Ltd.
15264
9
Siemens AG
24563
8
Westinghouse Air Brake Technologies Corporation
512
8
Bright Rail Energy, Inc.
9
7
Soo Line Railroad Company
11
7
Bright Rail Technologies LLC
9
7
Progress Rail Services Corp
239
5
New York Air Brake LLC
262
5
Siemens Mobility GmbH
1646
5
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6258
5
Alstom Transport Technologies
265
3
CNGmotive, Inc.
20
3
New York Air Brake Corporation
98
3
Wabtec Holding Corp.
386
3
Other owners 76