- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23D - Burners
- F23D 14/20 - Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
Patent holdings for IPC class F23D 14/20
Total number of patents in this class: 132
10-year publication summary
|
19
|
10
|
12
|
10
|
9
|
7
|
4
|
5
|
12
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Canada Limited | 7235 |
5 |
| Schlumberger Technology B.v. | 5148 |
5 |
| Services Petroliers Schlumberger | 5756 |
5 |
| Schlumberger Technology Corporation | 10627 |
4 |
| Schlumberger Holdings Limited | 2841 |
4 |
| Knauf Insulation | 49 |
4 |
| Prad Research and Development Limited | 2694 |
4 |
| Fives Pillard | 46 |
3 |
| Johns Manville | 955 |
3 |
| Knauf Insulation SPRL | 173 |
3 |
| GE Infrastructure Technology, LLC | 6192 |
3 |
| ClearSign Technologies Corporation | 52 |
3 |
| Toyota Motor Corporation | 31451 |
2 |
| Honeywell International Inc. | 13564 |
2 |
| Whirlpool Corporation | 4387 |
2 |
| Edwards Limited | 788 |
2 |
| Gas-Fired Products, Inc. | 22 |
2 |
| IFP | 155 |
2 |
| Kyungdong Navien Co., Ltd. | 603 |
2 |
| General Electric Company | 13829 |
1 |
| Other owners | 71 |