- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 13/48 - Transmitting means with power amplification using fluid pressure characterised by the fluid being gaseous
Patent holdings for IPC class B64C 13/48
Total number of patents in this class: 22
10-year publication summary
|
1
|
2
|
0
|
0
|
7
|
2
|
3
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kitty Hawk Corporation | 304 |
11 |
| The Boeing Company | 20131 |
2 |
| Jetoptera, Inc. | 101 |
2 |
| Airbus Operations Limited | 1334 |
1 |
| Hamilton Sundstrand Corporation | 5019 |
1 |
| Aurora Flight Sciences Corporation | 245 |
1 |
| Bell Helicopter Textron Inc. | 967 |
1 |
| Liebherr-Aerospace Lindenberg GmbH | 130 |
1 |
| Piasecki Aircraft Corporation | 39 |
1 |
| SkyRyse, Inc. | 91 |
1 |
| Other owners | 0 |