- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23D - Burners
- F23D 11/44 - Preheating devicesVaporising devices
Patent holdings for IPC class F23D 11/44
Total number of patents in this class: 158
10-year publication summary
|
14
|
10
|
13
|
8
|
8
|
4
|
3
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BSH Bosch und Siemens Hausgerate GmbH | 2527 |
8 |
| ClearSign Technologies Corporation | 52 |
8 |
| Webasto SE | 1183 |
6 |
| Hino Motors, Ltd. | 332 |
4 |
| LPP Combustion, LLC | 6 |
4 |
| Eberspächer Climate Control Systems GmbH | 152 |
4 |
| Fronius International GmbH | 684 |
3 |
| Saudi Arabian Oil Company | 13956 |
3 |
| GE Infrastructure Technology, LLC | 6181 |
3 |
| Pratt & Whitney Canada Corp. | 5356 |
2 |
| Robert Bosch GmbH | 43788 |
2 |
| Nissan Motor Co., Ltd. | 12859 |
2 |
| The United States of America as represented by the Secretary of the Army | 1252 |
2 |
| AVL List GmbH | 1326 |
2 |
| Eclipse, Inc. | 23 |
2 |
| Electric Jet, LLC | 2 |
2 |
| King Fahd University of Petroleum and Minerals | 1524 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4071 |
2 |
| North Carolina State University | 1583 |
2 |
| RENAULT s.a.s. | 5388 |
2 |
| Other owners | 93 |