- 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: 221
10-year publication summary
|
17
|
5
|
5
|
6
|
6
|
15
|
20
|
43
|
67
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
27 |
| Pratt & Whitney Canada Corp. | 4215 |
18 |
| Airbus Operations S.A.S. | 2407 |
16 |
| Airbus S.A.S. | 819 |
14 |
| Rolls-Royce PLC | 2944 |
13 |
| Airbus Operations Limited | 1157 |
11 |
| The Boeing Company | 19843 |
9 |
| Airbus Operations GmbH | 3188 |
8 |
| Electric Aviation Group Ltd | 28 |
7 |
| Rtx Corporation | 8674 |
7 |
| Jetzero, Inc. | 35 |
7 |
| Textron Innovations Inc. | 2138 |
5 |
| Zeroavia, Inc. | 103 |
5 |
| Universal Hydrogen Co. | 17 |
4 |
| Airbus Operations S.L. | 511 |
3 |
| H3 Dynamics Holdings Pte. Ltd. | 29 |
3 |
| Doosan Mobility Innovation Inc. | 32 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
3 |
| H2go Power Ltd | 12 |
3 |
| Blended Wing Aircraft, Inc. | 25 |
3 |
| Other owners | 52 |