- 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 15/20 - Means for detecting icing or initiating de-icing
Patent holdings for IPC class B64D 15/20
Total number of patents in this class: 341
10-year publication summary
|
37
|
25
|
28
|
22
|
17
|
23
|
23
|
21
|
12
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rosemount Aerospace Inc. | 781 |
46 |
| The Boeing Company | 20153 |
35 |
| Goodrich Corporation | 2183 |
15 |
| Honeywell International Inc. | 12783 |
8 |
| Commercial Aircraft Corporation of China, Ltd | 177 |
8 |
| Instrumar Limited | 13 |
8 |
| Safran AeroSystems | 298 |
8 |
| Northrop Grumman Systems Corporation | 2916 |
7 |
| Airbus Operations S.A.S. | 2549 |
6 |
| The Regents of the University of Michigan | 4970 |
5 |
| Rockwell Collins, Inc. | 2556 |
5 |
| Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
5 |
| Mitsubishi Aircraft Corporation | 124 |
5 |
| Airbus Helicopters | 949 |
4 |
| Lockheed Martin Corporation | 3262 |
4 |
| PPG Industries Ohio, Inc. | 3330 |
4 |
| GKN Aerospace Services Limited | 153 |
4 |
| Israel Aerospace Industries Ltd. | 533 |
4 |
| Safran Aircraft Engines | 6664 |
4 |
| "microlab" Limited Liability Company | 8 |
4 |
| Other owners | 152 |