- 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: 244
10-year publication summary
|
18
|
25
|
26
|
29
|
28
|
26
|
17
|
17
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20196 |
31 |
| Airbus Operations GmbH | 3457 |
30 |
| BAE SYSTEMS plc | 2500 |
15 |
| CoFlow Jet, LLC | 21 |
11 |
| Airbus Operations Limited | 1351 |
9 |
| Rolls-Royce PLC | 3222 |
6 |
| Safran Aircraft Engines | 6741 |
6 |
| Germaniumtech GmbH | 9 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 9172 |
4 |
| Northrop Grumman Systems Corporation | 2911 |
4 |
| Kawasaki Heavy Industries, Limited | 1687 |
4 |
| Airbus Defence and Space GmbH | 875 |
4 |
| Aurora Flight Sciences Corporation | 246 |
4 |
| Bombardier Inc. | 763 |
4 |
| Jetoptera, Inc. | 105 |
4 |
| Ramot at Tel-Aviv University Ltd. | 1552 |
4 |
| Rtx Corporation | 10141 |
4 |
| Pratt & Whitney Canada Corp. | 5523 |
3 |
| Airbus S.A.S. | 983 |
3 |
| Airbus Operations S.A.S. | 2567 |
3 |
| Other owners | 86 |