- 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 15/20 - Means for detecting icing or initiating de-icing
Patent holdings for IPC class B64D 15/20
Total number of patents in this class: 313
10-year publication summary
26
|
33
|
37
|
25
|
28
|
21
|
17
|
23
|
22
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rosemount Aerospace Inc. | 747 |
44 |
The Boeing Company | 19843 |
33 |
Goodrich Corporation | 2081 |
10 |
Instrumar Limited | 16 |
8 |
Honeywell International Inc. | 13799 |
7 |
Northrop Grumman Systems Corporation | 2940 |
7 |
Airbus Operations S.A.S. | 2407 |
6 |
Commercial Aircraft Corporation of China, Ltd | 141 |
6 |
Mitsubishi Aircraft Corporation | 197 |
6 |
Airbus Helicopters | 984 |
5 |
The Regents of the University of Michigan | 4409 |
5 |
Rockwell Collins, Inc. | 2402 |
5 |
Commercial Aircraft Corporation of China, Ltd Shanghai Aircraft Design and Research Institute | 75 |
5 |
Safran Aerotechnics SAS | 103 |
5 |
PPG Industries Ohio, Inc. | 3430 |
4 |
GKN Aerospace Services Limited | 129 |
4 |
Israel Aerospace Industries Ltd. | 506 |
4 |
Thales SA | 2318 |
3 |
Airbus Defence and Space GmbH | 886 |
3 |
Bell Helicopter Textron Inc. | 1122 |
3 |
Other owners | 140 |