- 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 41/00 - Power installations for auxiliary purposes
Patent holdings for IPC class B64D 41/00
Total number of patents in this class: 1716
10-year publication summary
|
158
|
144
|
176
|
129
|
183
|
173
|
144
|
124
|
108
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4836 |
212 |
| The Boeing Company | 20031 |
125 |
| Pratt & Whitney Canada Corp. | 4663 |
102 |
| Airbus Operations GmbH | 3330 |
77 |
| Airbus Operations S.L. | 540 |
53 |
| Honeywell International Inc. | 13573 |
37 |
| Safran Electrical & Power | 681 |
36 |
| Rolls-Royce Corporation | 1727 |
32 |
| GE Aviation Systems Limited | 266 |
31 |
| Rtx Corporation | 9319 |
29 |
| Rolls-Royce North American Technologies, Inc. | 1160 |
28 |
| General Electric Company | 13838 |
27 |
| Textron Innovations Inc. | 2295 |
26 |
| Rolls-Royce PLC | 3075 |
24 |
| Safran Power Units | 123 |
24 |
| GE Aviation Systems LLC | 582 |
23 |
| Airbus Operations S.A.S. | 2473 |
22 |
| Kawasaki Heavy Industries, Limited | 1625 |
21 |
| Safran Aircraft Engines | 6265 |
21 |
| Safran Helicopter Engines | 752 |
19 |
| Other owners | 747 |