- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- F23J 15/04 - Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
Patent holdings for IPC class F23J 15/04
Total number of patents in this class: 315
10-year publication summary
|
26
|
37
|
21
|
28
|
17
|
23
|
23
|
20
|
18
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8685 |
17 |
| Alstom Technology Ltd | 1109 |
11 |
| General Electric Technology GmbH | 1371 |
9 |
| Mitsubishi Power, Ltd. | 1760 |
9 |
| Siemens AG | 24525 |
7 |
| GE Vernova Infrastructure Technology LLC | 150 |
7 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
6 |
| NOx II, Ltd. | 48 |
6 |
| Evonik Degussa GmbH | 1537 |
5 |
| Toshiba Corporation | 12317 |
4 |
| 8 Rivers Capital, LLC | 252 |
4 |
| The Babcock & Wilcox Company | 157 |
4 |
| Edwards Limited | 793 |
4 |
| GEA Process Engineering A/S | 162 |
4 |
| General Electric Company | 13829 |
3 |
| Ecolab USA Inc. | 5465 |
3 |
| Graymont (PA) Inc. | 18 |
3 |
| Kurita Water Industries Ltd. | 1190 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3956 |
3 |
| Linde Aktiengesellschaft | 1517 |
3 |
| Other owners | 200 |