- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23D - Burners
- F23D 14/68 - Treating the combustion air or gas, e.g. by filtering or moistening
Patent holdings for IPC class F23D 14/68
Total number of patents in this class: 63
10-year publication summary
|
4
|
7
|
6
|
5
|
4
|
8
|
5
|
1
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lennox Industries Inc. | 1112 |
4 |
| JFE Steel Corporation | 7589 |
3 |
| LG Electronics Inc. | 75855 |
2 |
| University of Florida Research Foundation, Inc. | 4188 |
2 |
| Cambridge Engineering, Inc. | 19 |
2 |
| Chapin Manufacturing, Inc. | 131 |
2 |
| DAS Environmental Expert GmbH | 29 |
2 |
| Korea Institute of Industrial Technology | 1032 |
2 |
| Rheem Manufacturing Company | 1026 |
2 |
| Technip France | 674 |
2 |
| Beijing Junfa Combustible Gas Technology Development Co., Ltd. | 2 |
2 |
| Carbonquest, Inc. | 47 |
2 |
| POSCO Holdings Inc. | 693 |
2 |
| Toyota Motor Corporation | 35927 |
1 |
| Robert Bosch GmbH | 44254 |
1 |
| Caterpillar Inc. | 10280 |
1 |
| Air Liquide Deutschland G.m.b.H | 52 |
1 |
| Chien-lung Chen | 2 |
1 |
| ClearSign Combustion Corporation | 110 |
1 |
| EnTech - Renewable Energy Solutions Pty.Ltd. | 2 |
1 |
| Other owners | 27 |