- All sections
- B - Performing operationstransporting
- B62D - Motor vehiclestrailers
- B62D 55/20 - Tracks of articulated type, e.g. chains
Patent holdings for IPC class B62D 55/20
Total number of patents in this class: 240
10-year publication summary
|
31
|
19
|
27
|
18
|
27
|
31
|
23
|
7
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9527 |
113 |
| Komatsu Ltd. | 4528 |
14 |
| Olofsfors AB | 33 |
7 |
| Deere & Company | 7562 |
5 |
| Soucy International Inc. | 328 |
4 |
| Joy Global Surface Mining Inc | 364 |
4 |
| Bombardier Recreational Products Inc. | 1377 |
3 |
| RUD Ketten Rieger & Dietz GmbH u. Co. KG | 274 |
3 |
| Tennessee Technological University | 44 |
3 |
| Joy Global Underground Mining LLC | 348 |
3 |
| TAS Global Co., Ltd. | 33 |
3 |
| Epiroc Drilling Solutions, LLC | 36 |
3 |
| Track One S.r.l. | 3 |
3 |
| Simmons Equipment Company | 7 |
3 |
| Hitachi Construction Machinery Co., Ltd. | 2633 |
2 |
| Blue Leaf I.P., Inc. | 2818 |
2 |
| Concurrent Technologies Corporation | 50 |
2 |
| Hans Hall GmbH | 9 |
2 |
| Liebherr-Mining Equipment Colmar SAS | 58 |
2 |
| Nippon Steel Corporation | 6203 |
2 |
| Other owners | 57 |