- 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 37/30 - Fuel systems for specific fuels
Patent holdings for IPC class B64D 37/30
Total number of patents in this class: 297
10-year publication summary
|
5
|
5
|
6
|
6
|
15
|
20
|
41
|
71
|
91
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 17801 |
32 |
| Airbus Operations S.A.S. | 2435 |
31 |
| Pratt & Whitney Canada Corp. | 4428 |
18 |
| Airbus S.A.S. | 854 |
18 |
| Airbus Operations Limited | 1217 |
17 |
| Rolls-Royce PLC | 2976 |
16 |
| Rtx Corporation | 9069 |
16 |
| Airbus Operations GmbH | 3281 |
13 |
| The Boeing Company | 19900 |
11 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3008 |
9 |
| Jetzero, Inc. | 59 |
8 |
| Electric Aviation Group Ltd | 28 |
7 |
| Textron Innovations Inc. | 2189 |
5 |
| H3 Dynamics Holdings Pte. Ltd. | 32 |
5 |
| Zeroavia, Inc. | 89 |
5 |
| Hamilton Sundstrand Corporation | 4712 |
4 |
| Universal Hydrogen Co. | 16 |
4 |
| Blue Spirit Aero SAS | 6 |
4 |
| SAFRAN S.A. | 567 |
3 |
| Airbus Operations S.L. | 530 |
3 |
| Other owners | 68 |