- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 33/00 - Seats
Patent holdings for IPC class B61D 33/00
Total number of patents in this class: 216
10-year publication summary
|
16
|
26
|
32
|
19
|
21
|
14
|
16
|
10
|
11
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Seats USA LLC | 350 |
16 |
| Siemens Mobility GmbH | 1882 |
13 |
| Air New Zealand Limited | 98 |
11 |
| Bombardier Transportation GmbH | 570 |
11 |
| Koito Electric Industries, Ltd. | 52 |
11 |
| Toyota Boshoku Kabushiki Kaisha | 1505 |
9 |
| Grammer AG | 416 |
8 |
| Siemens AG | 23996 |
7 |
| CRRC Tangshan Co., Ltd. | 279 |
6 |
| Bombardier Inc. | 762 |
5 |
| The Boeing Company | 20176 |
4 |
| Alstom Holdings | 630 |
3 |
| Sabic Innovative Plastics IP B.V. | 585 |
3 |
| B/E Aerospace, Inc. | 1689 |
3 |
| CRRC Qingdao Sifang Co., Ltd. | 407 |
3 |
| Franz Kiel GmbH | 23 |
3 |
| RECARO Aircraft Seating GmbH & Co. KG | 199 |
3 |
| Safran Seats | 245 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9161 |
2 |
| Airbus Operations GmbH | 3457 |
2 |
| Other owners | 90 |