- 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: 328
10-year publication summary
|
27
|
27
|
24
|
28
|
17
|
12
|
19
|
17
|
16
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rosemount Aerospace Inc. | 780 |
46 |
| The Boeing Company | 20151 |
35 |
| Goodrich Corporation | 2157 |
12 |
| Honeywell International Inc. | 13547 |
8 |
| Instrumar Limited | 14 |
8 |
| Northrop Grumman Systems Corporation | 2934 |
7 |
| Commercial Aircraft Corporation of China, Ltd | 169 |
7 |
| Airbus Operations S.A.S. | 2502 |
6 |
| Safran AeroSystems | 256 |
6 |
| Airbus Helicopters | 944 |
5 |
| The Regents of the University of Michigan | 4768 |
5 |
| Rockwell Collins, Inc. | 2517 |
5 |
| Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
5 |
| Mitsubishi Aircraft Corporation | 130 |
5 |
| Thales SA | 2365 |
4 |
| PPG Industries Ohio, Inc. | 3417 |
4 |
| GKN Aerospace Services Limited | 143 |
4 |
| Israel Aerospace Industries Ltd. | 522 |
4 |
| Safran Aircraft Engines | 6366 |
4 |
| "microlab" Limited Liability Company | 5 |
4 |
| Other owners | 144 |