- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in generalvalves or dampers specially adapted for controlling air supply or draught in combustion apparatusinducing draught in combustion apparatustops for chimneys or ventilating shaftsterminals for flues
- F23L 1/02 - Passages or apertures for delivering primary air for combustion by discharging the air below the fire
Patent holdings for IPC class F23L 1/02
Total number of patents in this class: 51
10-year publication summary
|
2
|
5
|
8
|
6
|
7
|
1
|
4
|
0
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Biochar Now, LLC | 22 |
3 |
| Cronite CZ S.R.O. | 3 |
3 |
| Linka Maskinfabrik A/S | 3 |
3 |
| Doosan Lentjes GmbH | 49 |
2 |
| Enero Solutions Inc. | 5 |
2 |
| Fortum Oyj | 91 |
2 |
| POSCO | 2155 |
2 |
| Panasonic Corporation | 19577 |
1 |
| Andritz Inc. | 325 |
1 |
| Christof International Management GmbH | 3 |
1 |
| Enero Inventions Inc. | 3 |
1 |
| Gruppo Piazzetta S.P.A. | 25 |
1 |
| Guangdong University of Technology | 638 |
1 |
| JFE Steel Corporation | 7362 |
1 |
| Lamplight Farms Incorporated | 109 |
1 |
| Martin GmbH fur Umwelt-und Energietechnik | 51 |
1 |
| NewAge Products Inc. | 78 |
1 |
| Premier Specialty Brands, LLC | 64 |
1 |
| Unical AG S.p.A. | 61 |
1 |
| Valmet Technologies Oy | 285 |
1 |
| Other owners | 21 |