- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 17/12 - Control gearArrangements for controlling locomotives from remote points in the train or when operating in multiple units
Patent holdings for IPC class B61C 17/12
Total number of patents in this class: 319
10-year publication summary
|
23
|
19
|
26
|
28
|
20
|
14
|
21
|
5
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Global Sourcing LLC | 889 |
52 |
| Transportation IP Holdings, LLC | 945 |
30 |
| Mitsubishi Electric Corporation | 46765 |
26 |
| Progress Rail Locomotive Inc. | 321 |
24 |
| General Electric Company | 13859 |
13 |
| Hitachi, Ltd. | 15632 |
11 |
| Cattron North America, Inc. | 139 |
11 |
| Siemens AG | 24344 |
8 |
| Westinghouse Air Brake Technologies Corporation | 502 |
8 |
| Bright Rail Energy, Inc. | 9 |
7 |
| Soo Line Railroad Company | 11 |
7 |
| Bright Rail Technologies LLC | 9 |
7 |
| Progress Rail Services Corp | 236 |
6 |
| New York Air Brake LLC | 267 |
5 |
| Siemens Mobility GmbH | 1762 |
5 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6243 |
5 |
| CNGmotive, Inc. | 17 |
3 |
| New York Air Brake Corporation | 91 |
3 |
| Wabtec Holding Corp. | 367 |
3 |
| Toshiba Infrastructure Systems & Solutions Corporation | 706 |
3 |
| Other owners | 82 |