- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 21/02 - Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
Patent holdings for IPC class B64C 21/02
Total number of patents in this class: 228
10-year publication summary
12
|
22
|
18
|
25
|
26
|
29
|
27
|
26
|
17
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Boeing Company | 19843 |
31 |
Airbus Operations GmbH | 3188 |
30 |
BAE SYSTEMS plc | 2215 |
15 |
CoFlow Jet, LLC | 19 |
10 |
Airbus Operations Limited | 1157 |
9 |
Rolls-Royce PLC | 2944 |
7 |
Safran Aircraft Engines | 5739 |
6 |
Northrop Grumman Systems Corporation | 2940 |
4 |
Airbus Defence and Space GmbH | 886 |
4 |
Bombardier Inc. | 749 |
4 |
Jetoptera, Inc. | 71 |
4 |
Ramot at Tel-Aviv University Ltd. | 1370 |
4 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
Airbus S.A.S. | 819 |
3 |
Airbus Operations S.A.S. | 2407 |
3 |
Airbus Deutschland GmbH | 313 |
3 |
Kawasaki Heavy Industries, Limited | 1524 |
3 |
Aurora Flight Sciences Corporation | 234 |
3 |
The Society of Japanese Aerospace Companies | 37 |
3 |
Amonyx ApS | 3 |
3 |
Other owners | 76 |