- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23D - Burners
- F23D 11/40 - Mixing tubes; Burner heads
Patent holdings for IPC class F23D 11/40
Total number of patents in this class: 180
10-year publication summary
|
17
|
16
|
15
|
14
|
8
|
9
|
12
|
6
|
8
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ClearSign Technologies Corporation | 47 |
16 |
| GE Infrastructure Technology, LLC | 6114 |
6 |
| Hino Motors, Ltd. | 345 |
5 |
| Truma Gerätetechnik GmbH & Co. KG | 296 |
5 |
| Siemens AG | 24565 |
4 |
| Alstom Technology Ltd | 1145 |
4 |
| Ansaldo Energia Switzerland AG | 284 |
4 |
| Enginetics, LLC | 26 |
4 |
| Sango Co., Ltd. | 69 |
4 |
| Webasto AG | 340 |
4 |
| Mitsubishi Power, Ltd. | 1737 |
4 |
| Robert Bosch GmbH | 41786 |
3 |
| Caterpillar Inc. | 9166 |
3 |
| Air Products and Chemicals, Inc. | 1435 |
3 |
| BSH Bosch und Siemens Hausgerate GmbH | 3049 |
3 |
| General Electric Technology GmbH | 1599 |
3 |
| Saudi Arabian Oil Company | 12446 |
3 |
| Woodward, Inc. | 632 |
3 |
| Ecoflam Bruciatori S.p.A. | 11 |
3 |
| Capstone Green Energy LLC | 5 |
3 |
| Other owners | 93 |