- 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 41/00 - Power installations for auxiliary purposes
Patent holdings for IPC class B64D 41/00
Total number of patents in this class: 1690
10-year publication summary
|
158
|
144
|
176
|
129
|
179
|
173
|
143
|
122
|
103
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4724 |
209 |
| The Boeing Company | 19909 |
126 |
| Pratt & Whitney Canada Corp. | 4438 |
95 |
| Airbus Operations GmbH | 3288 |
78 |
| Airbus Operations S.L. | 530 |
52 |
| Honeywell International Inc. | 14012 |
38 |
| Safran Electrical & Power | 614 |
34 |
| Rolls-Royce Corporation | 1719 |
33 |
| GE Aviation Systems Limited | 260 |
32 |
| Rtx Corporation | 9094 |
29 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
28 |
| General Electric Company | 17783 |
25 |
| Safran Power Units | 120 |
25 |
| Textron Innovations Inc. | 2192 |
25 |
| Rolls-Royce PLC | 2988 |
22 |
| GE Aviation Systems LLC | 572 |
22 |
| Airbus Operations S.A.S. | 2441 |
21 |
| Kawasaki Heavy Industries, Limited | 1585 |
21 |
| Safran Aircraft Engines | 6031 |
19 |
| Safran Helicopter Engines | 724 |
19 |
| Other owners | 737 |