- All sections
- B - Performing operations; transporting
- B64D - Equipment for fitting in or to aircraft; flight suits; parachutes; arrangements 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: 110
10-year publication summary
|
12
|
9
|
16
|
20
|
12
|
10
|
7
|
4
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
24 |
| Airbus Operations GmbH | 3188 |
19 |
| Honeywell International Inc. | 13799 |
16 |
| The Boeing Company | 19843 |
12 |
| Rolls-Royce PLC | 2944 |
5 |
| Nord-Micro GmbH & Co. OHG | 8 |
4 |
| Airbus Operations S.A.S. | 2407 |
3 |
| Rtx Corporation | 8674 |
3 |
| Qualcomm Incorporated | 76576 |
2 |
| General Electric Company | 18133 |
2 |
| Aversan Inc. | 5 |
2 |
| Intertechnique | 39 |
2 |
| Liebherr-Aerospace Toulouse SAS | 135 |
2 |
| Lufthansa Technik AG | 468 |
2 |
| Tesla, Inc. | 1519 |
2 |
| Airbus Operations S.L. | 511 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Lam Research Corporation | 4775 |
1 |
| Aurora Flight Sciences Corporation | 234 |
1 |
| B/E Aerospace, Inc. | 1493 |
1 |
| Other owners | 5 |