- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- 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: 239
10-year publication summary
|
22
|
18
|
25
|
26
|
29
|
25
|
26
|
17
|
17
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19922 |
34 |
| Airbus Operations GmbH | 3295 |
30 |
| BAE SYSTEMS plc | 2299 |
15 |
| CoFlow Jet, LLC | 20 |
11 |
| Airbus Operations Limited | 1224 |
9 |
| Rolls-Royce PLC | 2997 |
6 |
| Safran Aircraft Engines | 6078 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8550 |
4 |
| Northrop Grumman Systems Corporation | 2933 |
4 |
| Kawasaki Heavy Industries, Limited | 1596 |
4 |
| Airbus Defence and Space GmbH | 875 |
4 |
| Aurora Flight Sciences Corporation | 238 |
4 |
| Bombardier Inc. | 749 |
4 |
| Jetoptera, Inc. | 86 |
4 |
| Ramot at Tel-Aviv University Ltd. | 1447 |
4 |
| Airbus S.A.S. | 855 |
3 |
| Airbus Operations S.A.S. | 2451 |
3 |
| The Society of Japanese Aerospace Companies | 36 |
3 |
| Amonyx ApS | 3 |
3 |
| Rtx Corporation | 9130 |
3 |
| Other owners | 81 |