- All sections
- B - Performing operationstransporting
- B61K - Auxiliary equipment specially adapted for railways, not otherwise provided for
- B61K 3/02 - Apparatus therefor combined with vehicles
Patent holdings for IPC class B61K 3/02
Total number of patents in this class: 43
10-year publication summary
|
0
|
3
|
2
|
6
|
3
|
5
|
2
|
3
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nowe GmbH | 30 |
6 |
| Kelsan Technologies Corp. | 6 |
2 |
| L.B. Foster Rail Technologies, Corp. | 15 |
2 |
| Loram Maintenance of Way, Inc. | 53 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| Whitmore Manufacturing, LLC | 76 |
2 |
| Siemens Mobility GmbH | 1721 |
2 |
| P&S Global Holdings LLC | 44 |
2 |
| Nihon Junkatsuzai Kabushiki Kaisha | 2 |
2 |
| Railway Robotics AS | 9 |
2 |
| ZF Friedrichshafen AG | 7156 |
1 |
| Aktiebolaget SKF | 2953 |
1 |
| Auto Invent | 1 |
1 |
| Boehni, Kurt A. | 1 |
1 |
| Electro-Motive Diesel, Inc. | 72 |
1 |
| MPL Innovations, Inc. | 8 |
1 |
| Universal City Studios LLC | 2553 |
1 |
| The University of British Columbia | 1495 |
1 |
| Rowe Hankins Limited | 2 |
1 |
| CRRC Yangtze Co., Ltd. | 84 |
1 |
| Other owners | 9 |