- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 21/10 - Influencing air flow over aircraft surfaces by affecting boundary layer flow using other surface properties, e.g. roughness
Patent holdings for IPC class B64C 21/10
Total number of patents in this class: 242
10-year publication summary
|
28
|
20
|
20
|
23
|
25
|
21
|
15
|
13
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20139 |
42 |
| Lufthansa Technik AG | 481 |
15 |
| Airbus Operations GmbH | 3359 |
13 |
| Safran Aircraft Engines | 6317 |
11 |
| Lockheed Martin Corporation | 3269 |
8 |
| Japan Aerospace Exploration Agency | 457 |
8 |
| General Electric Company | 13859 |
6 |
| Airbus Operations S.A.S. | 2495 |
4 |
| BASF Coatings GmbH | 1205 |
4 |
| Enterprise Science Fund, LLC | 134 |
4 |
| 3m Innovative Properties Company | 17770 |
3 |
| Nikon Corporation | 7298 |
3 |
| Delos Aerospace, LLC | 3 |
3 |
| Office National d'Etudes et de Recherches Aerospatiales (onera) | 170 |
3 |
| The Regents of the University of Colorado, a body corporate | 2679 |
3 |
| Texas Tech University System | 597 |
3 |
| SG Investment America, Inc. | 63 |
3 |
| SNECMA S.A. | 1148 |
2 |
| The Regents of the University of California | 20137 |
2 |
| Airbus Operations Limited | 1280 |
2 |
| Other owners | 100 |