- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23D - Burners
- F23D 14/22 - Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
Patent holdings for IPC class F23D 14/22
Total number of patents in this class: 535
10-year publication summary
|
43
|
39
|
49
|
36
|
31
|
28
|
40
|
39
|
45
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Air Products and Chemicals, Inc. | 1400 |
28 |
| Johns Manville | 954 |
26 |
| Taiyo Nippon Sanso Corporation | 364 |
25 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3911 |
24 |
| Praxair Technology, Inc. | 1313 |
18 |
| Honeywell International Inc. | 13583 |
12 |
| Chugai Ro Co., Ltd. | 126 |
11 |
| Zeeco, Inc. | 41 |
10 |
| Siemens AG | 24563 |
9 |
| Linde Aktiengesellschaft | 1525 |
9 |
| Messer Industries USA, Inc. | 117 |
9 |
| Corning Incorporated | 10200 |
8 |
| JFE Steel Corporation | 6730 |
8 |
| John Zink Company, LLC | 147 |
8 |
| Linde GmbH | 1253 |
8 |
| Casale SA | 601 |
6 |
| Miura Co., Ltd. | 286 |
6 |
| Osaka Gas Co., Ltd. | 313 |
6 |
| ClearSign Technologies Corporation | 52 |
6 |
| C.I.B. Unigas S.p.A. | 21 |
5 |
| Other owners | 293 |