- 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: 1781
10-year publication summary
|
144
|
177
|
129
|
183
|
173
|
144
|
129
|
114
|
63
|
45
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5013 |
221 |
| The Boeing Company | 20168 |
126 |
| Pratt & Whitney Canada Corp. | 5511 |
113 |
| Airbus Operations GmbH | 3449 |
77 |
| Airbus Operations S.L. | 560 |
59 |
| Honeywell International Inc. | 12773 |
37 |
| General Electric Company | 13908 |
36 |
| Safran Electrical & Power | 772 |
36 |
| Rtx Corporation | 10110 |
35 |
| GE Aviation Systems Limited | 278 |
31 |
| Rolls-Royce Corporation | 1680 |
28 |
| Textron Innovations Inc. | 2528 |
27 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
25 |
| Airbus Operations S.A.S. | 2558 |
24 |
| Rolls-Royce PLC | 3224 |
24 |
| GE Aviation Systems LLC | 592 |
24 |
| Safran Power Units | 129 |
24 |
| Kawasaki Heavy Industries, Limited | 1676 |
21 |
| Safran Aircraft Engines | 6716 |
21 |
| Safran Helicopter Engines | 847 |
20 |
| Other owners | 772 |