- All sections
- B - Performing operationstransporting
- B64C - Aeroplaneshelicopters
- B64C 3/18 - SparsRibsStringers
Patent holdings for IPC class B64C 3/18
Total number of patents in this class: 835
10-year publication summary
|
63
|
58
|
59
|
80
|
99
|
83
|
69
|
47
|
43
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20139 |
269 |
| Airbus Operations Limited | 1283 |
114 |
| Airbus Operations GmbH | 3361 |
46 |
| Airbus Operations S.L. | 544 |
38 |
| Airbus Operations S.A.S. | 2497 |
23 |
| Mitsubishi Heavy Industries, Ltd. | 8823 |
21 |
| Textron Innovations Inc. | 2346 |
18 |
| Bell Helicopter Textron Inc. | 1060 |
14 |
| Leonardo S.p.A. | 670 |
13 |
| Airbus UK Limited | 84 |
12 |
| AeroVironment, Inc. | 538 |
9 |
| Gulfstream Aerospace Corporation | 672 |
9 |
| Airbus S.A.S. | 923 |
7 |
| Mitsubishi Aircraft Corporation | 136 |
7 |
| Rohr, Inc. | 757 |
7 |
| Saab AB | 813 |
7 |
| Spirit AeroSystems, Inc. | 275 |
7 |
| Continuous Composites Inc. | 202 |
6 |
| Northrop Grumman Systems Corporation | 2929 |
5 |
| GKN Aerospace Services Limited | 143 |
5 |
| Other owners | 198 |