- 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: 574
10-year publication summary
|
71
|
60
|
54
|
41
|
32
|
27
|
33
|
16
|
21
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20237 |
141 |
| Airbus Operations GmbH | 3494 |
62 |
| Airbus Operations S.A.S. | 2596 |
41 |
| Rohr, Inc. | 778 |
21 |
| Gulfstream Aerospace Corporation | 682 |
19 |
| Bombardier Inc. | 767 |
14 |
| Safran Aircraft Engines | 6835 |
9 |
| DuPont Safety & Construction, Inc. | 684 |
9 |
| Textron Innovations Inc. | 2557 |
8 |
| Pratt & Whitney Canada Corp. | 5656 |
7 |
| Airbus S.A.S. | 1001 |
7 |
| Goodrich Corporation | 2176 |
7 |
| General Electric Company | 14047 |
6 |
| Airbus Operations S.L. | 564 |
6 |
| BAE SYSTEMS plc | 2541 |
6 |
| Leonardo S.p.A. | 713 |
6 |
| Aircelle | 459 |
5 |
| B/E Aerospace, Inc. | 1695 |
5 |
| Hexcel Corporation | 292 |
5 |
| Safran Nacelles | 827 |
5 |
| Other owners | 185 |