- 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: 284
10-year publication summary
|
23
|
18
|
22
|
26
|
10
|
19
|
24
|
37
|
37
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13888 |
39 |
| Hamilton Sundstrand Corporation | 5016 |
32 |
| Pratt & Whitney Canada Corp. | 5472 |
24 |
| Rtx Corporation | 10082 |
21 |
| Rolls-Royce PLC | 3219 |
17 |
| Airbus Operations S.A.S. | 2554 |
14 |
| The Boeing Company | 20160 |
13 |
| Airbus Operations Limited | 1343 |
13 |
| Airbus Operations S.L. | 561 |
8 |
| Safran Aircraft Engines | 6671 |
7 |
| Honeywell International Inc. | 12778 |
6 |
| SAFRAN S.A. | 785 |
5 |
| Airbus S.A.S. | 977 |
4 |
| Airbus UK Limited | 56 |
4 |
| United Technologies Corporation | 2220 |
3 |
| Airbus Operations GmbH | 3443 |
3 |
| Northrop Grumman Systems Corporation | 2921 |
3 |
| Kawasaki Heavy Industries, Limited | 1671 |
3 |
| Safran Helicopter Engines | 840 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3245 |
3 |
| Other owners | 59 |