- All sections
- B - Performing operationstransporting
- B64D - Equipment for fitting in or to aircraftflight suitsparachutesarrangement or mounting of power plants or propulsion transmissions in aircraft
- B64D 13/04 - Automatic control of pressure
Patent holdings for IPC class B64D 13/04
Total number of patents in this class: 121
10-year publication summary
|
9
|
14
|
19
|
11
|
10
|
8
|
6
|
1
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4900 |
26 |
| Airbus Operations GmbH | 3343 |
19 |
| Honeywell International Inc. | 13548 |
18 |
| The Boeing Company | 20090 |
12 |
| Rolls-Royce PLC | 3109 |
7 |
| Nord-Micro GmbH & Co. OHG | 9 |
6 |
| Airbus Operations S.A.S. | 2486 |
4 |
| Liebherr-Aerospace Toulouse SAS | 148 |
3 |
| Rtx Corporation | 9419 |
3 |
| Qualcomm Incorporated | 85914 |
2 |
| General Electric Company | 13806 |
2 |
| Aversan Inc. | 5 |
2 |
| Intertechnique | 38 |
2 |
| Lufthansa Technik AG | 479 |
2 |
| Tesla, Inc. | 1733 |
2 |
| Airbus Operations S.L. | 543 |
1 |
| Hyundai Motor Company | 22141 |
1 |
| Lam Research Corporation | 5282 |
1 |
| Aurora Flight Sciences Corporation | 241 |
1 |
| B/E Aerospace, Inc. | 1663 |
1 |
| Other owners | 6 |