- 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: 566
10-year publication summary
|
38
|
35
|
71
|
60
|
54
|
41
|
32
|
28
|
32
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
140 |
| Airbus Operations GmbH | 3188 |
58 |
| Airbus Operations S.A.S. | 2407 |
35 |
| Gulfstream Aerospace Corporation | 658 |
20 |
| Rohr, Inc. | 653 |
20 |
| Bombardier Inc. | 749 |
14 |
| DuPont Safety & Construction, Inc. | 676 |
9 |
| Airbus Deutschland GmbH | 313 |
8 |
| Safran Aircraft Engines | 5739 |
8 |
| Textron Innovations Inc. | 2138 |
8 |
| Airbus Operations S.L. | 511 |
7 |
| Goodrich Corporation | 2081 |
7 |
| Leonardo S.p.A. | 605 |
7 |
| Rtx Corporation | 8674 |
7 |
| General Electric Company | 18133 |
6 |
| Airbus S.A.S. | 819 |
6 |
| Aircelle | 488 |
5 |
| Hexcel Corporation | 305 |
5 |
| Safran Nacelles | 587 |
5 |
| Unifrax I LLC | 239 |
5 |
| Other owners | 186 |