- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 1/40 - Sound or heat insulation
Patent holdings for IPC class B64C 1/40
Total number of patents in this class: 568
10-year publication summary
|
71
|
60
|
54
|
41
|
32
|
27
|
33
|
15
|
18
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20160 |
141 |
| Airbus Operations GmbH | 3446 |
60 |
| Airbus Operations S.A.S. | 2556 |
40 |
| Rohr, Inc. | 772 |
21 |
| Gulfstream Aerospace Corporation | 677 |
19 |
| Bombardier Inc. | 761 |
14 |
| Safran Aircraft Engines | 6694 |
9 |
| DuPont Safety & Construction, Inc. | 683 |
9 |
| Textron Innovations Inc. | 2444 |
8 |
| Airbus S.A.S. | 976 |
7 |
| Goodrich Corporation | 2182 |
7 |
| General Electric Company | 13899 |
6 |
| Pratt & Whitney Canada Corp. | 5479 |
6 |
| Airbus Operations S.L. | 562 |
6 |
| BAE SYSTEMS plc | 2488 |
6 |
| Leonardo S.p.A. | 699 |
6 |
| Aircelle | 464 |
5 |
| B/E Aerospace, Inc. | 1693 |
5 |
| Hexcel Corporation | 298 |
5 |
| Safran Nacelles | 798 |
5 |
| Other owners | 183 |