- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23B - Methods or apparatus for combustion using only solid fuel
- F23B 40/04 - Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed from below through an opening in the fuel-supporting surface
Patent holdings for IPC class F23B 40/04
Total number of patents in this class: 28
10-year publication summary
|
2
|
9
|
4
|
3
|
1
|
2
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aduro A/S | 16 |
6 |
| Stuv S.A. | 20 |
4 |
| POSCO | 2153 |
3 |
| M&W Co.,Ltd | 6 |
3 |
| WH Products, LLC | 42 |
2 |
| Crystal Spring Colony Farms Ltd. | 45 |
1 |
| Gruppo Piazzetta S.P.A. | 25 |
1 |
| Logan Outdoor Products LLC | 130 |
1 |
| Shonan Trading Co., Ltd | 8 |
1 |
| Syncraft Engineering GmbH | 10 |
1 |
| YS Co., Ltd. | 1 |
1 |
| Buchang Co.,Ltd. | 1 |
1 |
| INABA, Shigeto | 1 |
1 |
| Niko Engineering Co,. Ltd. | 1 |
1 |
| Obshestvo S Ogranichennoi Otvetstvennostiu "svetlobor" | 1 |
1 |
| Other owners | 0 |