- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 21/00 - Influencing air flow over aircraft surfaces by affecting boundary layer flow
Patent holdings for IPC class B64C 21/00
Total number of patents in this class: 163
10-year publication summary
|
18
|
20
|
19
|
18
|
20
|
9
|
8
|
6
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20212 |
21 |
| Jetoptera, Inc. | 106 |
19 |
| Textron Innovations Inc. | 2543 |
10 |
| Enterprise Science Fund, LLC | 121 |
7 |
| Airbus Operations Limited | 1361 |
6 |
| General Electric Company | 13999 |
5 |
| Lockheed Martin Corporation | 3254 |
5 |
| Safran Aircraft Engines | 6777 |
4 |
| Airbus Operations GmbH | 3476 |
3 |
| Rolls-Royce PLC | 3229 |
3 |
| University of Florida Research Foundation, Inc. | 4215 |
3 |
| Deep Science, LLC | 21 |
3 |
| Florida State University Research Foundation, Inc. | 858 |
3 |
| Ramot at Tel-Aviv University Ltd. | 1560 |
3 |
| Saab AB | 827 |
3 |
| SG Investment America, Inc. | 59 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
2 |
| Toshiba Corporation | 12732 |
2 |
| Aurora Flight Sciences Corporation | 246 |
2 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 844 |
2 |
| Other owners | 54 |