- 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 15/22 - Automatic initiation by icing detector
Patent holdings for IPC class B64D 15/22
Total number of patents in this class: 111
10-year publication summary
|
3
|
13
|
12
|
16
|
17
|
15
|
14
|
5
|
9
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
25 |
| Goodrich Corporation | 2081 |
13 |
| Rosemount Aerospace Inc. | 747 |
9 |
| Rohr, Inc. | 653 |
4 |
| Sikorsky Aircraft Corporation | 1150 |
4 |
| Northrop Grumman Systems Corporation | 2940 |
3 |
| Bell Helicopter Textron Inc. | 1122 |
3 |
| Qarbon Aerospace (foundation), LLC | 5 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Airbus Operations S.A.S. | 2407 |
2 |
| The Regents of the University of Michigan | 4409 |
2 |
| PPG Industries Ohio, Inc. | 3430 |
2 |
| Mitsubishi Aircraft Corporation | 197 |
2 |
| Unmanned AeroSpace Technologies Ltd. | 3 |
2 |
| General Electric Company | 18133 |
1 |
| SAFRAN S.A. | 518 |
1 |
| Airbus Operations S.L. | 511 |
1 |
| Airbus France | 273 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Rockwell Collins, Inc. | 2402 |
1 |
| Other owners | 29 |