- All sections
- B - Performing operations; transporting
- B61K - Auxiliary equipment specially adapted for railways, not otherwise provided for
- B61K 9/10 - Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
Patent holdings for IPC class B61K 9/10
Total number of patents in this class: 120
10-year publication summary
|
9
|
7
|
13
|
8
|
16
|
14
|
12
|
14
|
12
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sperry Rail, Inc. | 10 |
7 |
| GE Global Sourcing LLC | 944 |
7 |
| Loram Technologies, Inc. | 60 |
6 |
| Avante International Technology, Inc. | 29 |
5 |
| ENSCO, Inc. | 59 |
5 |
| Herzog Services, Inc. | 15 |
5 |
| Sperry Rail Holdings, Inc. | 11 |
5 |
| Technische Universiteit Delft | 646 |
5 |
| Transportation IP Holdings, LLC | 843 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Sperry Rail (International) Limited | 8 |
4 |
| Tetra Tech, Inc. | 107 |
4 |
| PCM SRL Socio Unico | 4 |
4 |
| University of Florida Research Foundation, Inc. | 3883 |
3 |
| Tesmec SpA | 46 |
3 |
| Siemens Mobility GmbH | 1550 |
3 |
| General Electric Company | 18133 |
2 |
| Siemens AG | 24990 |
2 |
| The Regents of the University of California | 18943 |
2 |
| BNSF Railway Company | 328 |
2 |
| Other owners | 37 |