- All sections
- B - Performing operations; transporting
- B62D - Motor vehicles; trailers
- B62D 55/21 - Links connected by transverse pivot pins
Patent holdings for IPC class B62D 55/21
Total number of patents in this class: 388
10-year publication summary
|
40
|
39
|
26
|
42
|
39
|
53
|
37
|
39
|
27
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 8877 |
281 |
| Komatsu Ltd. | 4265 |
23 |
| Berco S.p.A. | 33 |
11 |
| Deere & Company | 6845 |
7 |
| Italtractor ITM S.p.A. | 38 |
7 |
| ThyssenKrupp AG | 3086 |
6 |
| DST Defence Service Tracks GmbH | 30 |
4 |
| USCO S.p.A. | 12 |
4 |
| AsiaTrak (Tianjin) Ltd | 3 |
3 |
| Caterpillar Global Mining LLC | 199 |
2 |
| Concurrent Technologies Corporation | 50 |
2 |
| EIK Engineering SDN. BHD. | 8 |
2 |
| Liebherr-Mining Equipment Colmar SAS | 56 |
2 |
| Prinoth S.p.A. | 169 |
2 |
| Soucy International Inc. | 282 |
2 |
| Vale S.A. | 262 |
2 |
| Komatsu Germany GmbH | 12 |
2 |
| Cliin ApS | 8 |
2 |
| Sony Corporation | 32931 |
1 |
| Progress Rail Services Corp | 225 |
1 |
| Other owners | 22 |