- 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: 316
10-year publication summary
|
37
|
21
|
28
|
17
|
23
|
23
|
22
|
19
|
9
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 9128 |
17 |
| Alstom Technology Ltd | 1045 |
11 |
| General Electric Technology GmbH | 1337 |
9 |
| Mitsubishi Power, Ltd. | 1833 |
9 |
| Siemens AG | 24029 |
7 |
| GE Vernova Infrastructure Technology LLC | 508 |
7 |
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
6 |
| Evonik Degussa GmbH | 1379 |
5 |
| 8 Rivers Capital, LLC | 232 |
4 |
| The Babcock & Wilcox Company | 140 |
4 |
| Edwards Limited | 774 |
4 |
| Graymont (PA) Inc. | 19 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
4 |
| GEA Process Engineering A/S | 176 |
4 |
| General Electric Company | 13899 |
3 |
| Ecolab USA Inc. | 5796 |
3 |
| Huaneng Clean Energy Research Institute | 509 |
3 |
| Kurita Water Industries Ltd. | 1283 |
3 |
| Linde Aktiengesellschaft | 1421 |
3 |
| Statoil Petroleum AS | 469 |
3 |
| Other owners | 203 |