- All sections
- B - Performing operations; transporting
- B64C - Aeroplanes; helicopters
- B64C 1/40 - Sound or heat insulation
Patent holdings for IPC class B64C 1/40
Total number of patents in this class: 570
10-year publication summary
|
35
|
71
|
60
|
54
|
41
|
33
|
28
|
32
|
14
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19911 |
140 |
| Airbus Operations GmbH | 3290 |
59 |
| Airbus Operations S.A.S. | 2447 |
35 |
| Gulfstream Aerospace Corporation | 665 |
20 |
| Rohr, Inc. | 728 |
20 |
| Bombardier Inc. | 749 |
14 |
| DuPont Safety & Construction, Inc. | 683 |
9 |
| Airbus Deutschland GmbH | 267 |
8 |
| Safran Aircraft Engines | 6039 |
8 |
| Textron Innovations Inc. | 2192 |
8 |
| Goodrich Corporation | 2089 |
7 |
| Leonardo S.p.A. | 654 |
7 |
| Rtx Corporation | 9109 |
7 |
| General Electric Company | 17789 |
6 |
| Airbus S.A.S. | 855 |
6 |
| Airbus Operations S.L. | 533 |
6 |
| Aircelle | 482 |
5 |
| BAE SYSTEMS plc | 2298 |
5 |
| Hexcel Corporation | 302 |
5 |
| Safran Nacelles | 667 |
5 |
| Other owners | 190 |