- 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: 177
10-year publication summary
|
26
|
17
|
16
|
15
|
14
|
8
|
8
|
12
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ClearSign Technologies Corporation | 49 |
14 |
| Webasto AG | 417 |
8 |
| GE Infrastructure Technology, LLC | 5873 |
6 |
| Alstom Technology Ltd | 1196 |
5 |
| Hino Motors, Ltd. | 370 |
5 |
| Siemens AG | 24990 |
4 |
| Ansaldo Energia Switzerland AG | 293 |
4 |
| Enginetics, LLC | 26 |
4 |
| Sango Co., Ltd. | 73 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| Caterpillar Inc. | 8877 |
3 |
| Air Products and Chemicals, Inc. | 1448 |
3 |
| BSH Bosch und Siemens Hausgerate GmbH | 3236 |
3 |
| General Electric Technology GmbH | 1657 |
3 |
| Saudi Arabian Oil Company | 11322 |
3 |
| Truma Gerätetechnik GmbH & Co. KG | 283 |
3 |
| Woodward, Inc. | 602 |
3 |
| Ecoflam Bruciatori S.p.A. | 11 |
3 |
| Mitsubishi Power, Ltd. | 1680 |
3 |
| Capstone Green Energy Corporation | 29 |
3 |
| Other owners | 90 |