- 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: 1622
10-year publication summary
|
134
|
158
|
144
|
176
|
129
|
181
|
175
|
144
|
110
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
202 |
| The Boeing Company | 19843 |
132 |
| Pratt & Whitney Canada Corp. | 4215 |
92 |
| Airbus Operations GmbH | 3188 |
77 |
| Airbus Operations S.L. | 511 |
46 |
| Honeywell International Inc. | 13799 |
37 |
| GE Aviation Systems Limited | 257 |
31 |
| Rolls-Royce Corporation | 1686 |
31 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
28 |
| Safran Electrical & Power | 507 |
28 |
| Rtx Corporation | 8674 |
28 |
| Textron Innovations Inc. | 2138 |
25 |
| Safran Power Units | 108 |
24 |
| General Electric Company | 18133 |
22 |
| GE Aviation Systems LLC | 569 |
22 |
| Safran Helicopter Engines | 676 |
21 |
| Airbus Operations S.A.S. | 2407 |
20 |
| Rolls-Royce PLC | 2944 |
20 |
| Kawasaki Heavy Industries, Limited | 1524 |
20 |
| Safran Aircraft Engines | 5739 |
17 |
| Other owners | 699 |