- 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: 172
10-year publication summary
|
5
|
18
|
20
|
19
|
18
|
20
|
10
|
8
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20042 |
22 |
| Jetoptera, Inc. | 92 |
17 |
| Textron Innovations Inc. | 2303 |
10 |
| Enterprise Science Fund, LLC | 136 |
7 |
| Airbus Operations Limited | 1259 |
6 |
| General Electric Company | 13811 |
5 |
| Lockheed Martin Corporation | 3276 |
5 |
| Safran Aircraft Engines | 6270 |
4 |
| Airbus Operations GmbH | 3332 |
3 |
| Rolls-Royce PLC | 3085 |
3 |
| University of Florida Research Foundation, Inc. | 4007 |
3 |
| Deep Science, LLC | 21 |
3 |
| Florida State University Research Foundation, Inc. | 740 |
3 |
| Orbital Research Inc. | 85 |
3 |
| Ramot at Tel-Aviv University Ltd. | 1474 |
3 |
| Saab AB | 809 |
3 |
| SG Investment America, Inc. | 63 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8694 |
2 |
| Toshiba Corporation | 12320 |
2 |
| Airbus Deutschland GmbH | 231 |
2 |
| Other owners | 63 |