- All sections
- B - Performing operations; transporting
- B61L - Guiding railway traffic; ensuring the safety of railway traffic
- B61L 27/16 - Trackside optimisation of vehicle or vehicle train operation
Patent holdings for IPC class B61L 27/16
Total number of patents in this class: 76
10-year publication summary
1
|
0
|
1
|
0
|
2
|
5
|
7
|
15
|
30
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Parallel Systems, Inc. | 18 |
7 |
Transportation IP Holdings, LLC | 843 |
7 |
Hitachi, Ltd. | 16452 |
5 |
BNSF Railway Company | 328 |
4 |
Siemens Mobility GmbH | 1550 |
4 |
BYD Company Limited | 3700 |
3 |
Casco Signal Ltd. | 34 |
3 |
Cattron North America, Inc. | 137 |
3 |
Progress Rail Services Corp | 225 |
2 |
Murata Machinery, Ltd. | 1386 |
2 |
Tata Consultancy Services Limited | 2066 |
2 |
Technological Resources Pty. Limited | 444 |
2 |
Westinghouse Air Brake Technologies Corporation | 521 |
2 |
Traffic Control Technology Co., Ltd | 31 |
2 |
Casco Signal Co., Ltd. | 94 |
2 |
NEC Corporation | 32703 |
1 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Toshiba Corporation | 12017 |
1 |
Mitsubishi Electric Corporation | 43934 |
1 |
Alstom Transport Technologies | 566 |
1 |
Other owners | 21 |