- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 3/20 - Wagons or vans adapted for carrying special loads for forwarding containers
Patent holdings for IPC class B61D 3/20
Total number of patents in this class: 87
10-year publication summary
|
6
|
12
|
5
|
13
|
13
|
16
|
13
|
10
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safe Green Logistics A/S | 7 |
6 |
| National Steel Car Limited | 149 |
5 |
| CRRC Shandong Co., Ltd. | 34 |
5 |
| CRRC Yangtze Co., Ltd. | 84 |
5 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 117 |
4 |
| JAC Operations, Inc. | 57 |
4 |
| Parallel Systems, Inc. | 40 |
4 |
| Trinity Rail Group, LLC | 109 |
4 |
| SWS PS Power Solutions GmbH | 6 |
3 |
| The Boeing Company | 20160 |
2 |
| TTX Company | 121 |
2 |
| LM WP Patent Holding A/S | 234 |
2 |
| CRRC Changzhou Co., Ltd | 3 |
2 |
| Science and Technology Development Branch, CRRC Yangtze Group Co., Ltd. | 11 |
2 |
| Amsted Rail Company, Inc. | 423 |
1 |
| China Shenhua Energy Company Limited | 24 |
1 |
| FreightCar America, Inc. | 4 |
1 |
| Jost-Werke GmbH | 49 |
1 |
| Load Distribution Technologies, LLC | 1 |
1 |
| The Modern Group, Ltd., The Modern Group GP, Inc., a Texas corporation | 59 |
1 |
| Other owners | 31 |