- All sections
- B - Performing operationstransporting
- B27M - Working of wood not provided for in subclasses manufacture of specific wooden articles
- B27M 3/14 - Manufacture or reconditioning of specific semi-finished or finished articles of railroad sleepers
Patent holdings for IPC class B27M 3/14
Total number of patents in this class: 6
10-year publication summary
|
1
|
1
|
0
|
0
|
3
|
2
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunan Taohuajiang Bamboo Science & Technology Co., Ltd. | 16 |
2 |
| Railroad Solutions, Inc. | 2 |
2 |
| Vossloh-Werke GmbH | 89 |
1 |
| Smith, Judith Ann | 1 |
1 |
| Other owners | 0 |