- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 11/50 - Phase synchronisation between multiple propellers
Patent holdings for IPC class B64C 11/50
Total number of patents in this class: 42
10-year publication summary
|
1
|
6
|
4
|
4
|
8
|
2
|
8
|
3
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4451 |
6 |
| Aergility Corporation | 7 |
6 |
| Bell Helicopter Textron Inc. | 1082 |
5 |
| Amazon Technologies, Inc. | 25972 |
3 |
| Textron Innovations Inc. | 2201 |
3 |
| United States of America AS represented by The Administrator of NASA | 411 |
2 |
| Joby Aero, Inc. | 267 |
2 |
| Archer Aviation Inc. | 157 |
2 |
| Vertical Aerospace Group Ltd | 9 |
2 |
| SNECMA S.A. | 1149 |
1 |
| The Boeing Company | 19922 |
1 |
| Electro Standards Laboratories | 28 |
1 |
| GE Avio S.r.l. | 247 |
1 |
| Safran Helicopter Engines | 729 |
1 |
| The United States of America as represented by the Administration of NASA | 73 |
1 |
| The United States of America as represented by the Administrator of the National Aeronautics and Space Administration | 474 |
1 |
| Supernal LLC, AKA Supernal | 64 |
1 |
| Beta Air, LLC | 582 |
1 |
| Rtx Corporation | 9130 |
1 |
| Burl Aerospace Pty Ltd | 1 |
1 |
| Other owners | 0 |