- All sections
- B - Performing operationstransporting
- B64D - Equipment for fitting in or to aircraftflight suitsparachutesarrangement or mounting of power plants or propulsion transmissions in aircraft
- B64D 37/34 - Conditioning fuel, e.g. heating
Patent holdings for IPC class B64D 37/34
Total number of patents in this class: 269
10-year publication summary
|
19
|
14
|
20
|
23
|
10
|
17
|
21
|
35
|
31
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13776 |
37 |
| Hamilton Sundstrand Corporation | 5001 |
31 |
| Pratt & Whitney Canada Corp. | 5059 |
24 |
| Rtx Corporation | 9761 |
18 |
| The Boeing Company | 20106 |
13 |
| Rolls-Royce PLC | 3172 |
13 |
| Airbus Operations S.A.S. | 2511 |
12 |
| Airbus Operations Limited | 1301 |
12 |
| Safran Aircraft Engines | 6474 |
7 |
| Honeywell International Inc. | 13561 |
6 |
| Airbus Operations S.L. | 553 |
6 |
| SAFRAN S.A. | 637 |
5 |
| Airbus S.A.S. | 952 |
4 |
| Airbus UK Limited | 73 |
4 |
| Safran Helicopter Engines | 801 |
4 |
| United Technologies Corporation | 2224 |
3 |
| Airbus Operations GmbH | 3391 |
3 |
| Northrop Grumman Systems Corporation | 2931 |
3 |
| Kawasaki Heavy Industries, Limited | 1631 |
3 |
| Siemens AG | 24278 |
2 |
| Other owners | 59 |