- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23J - Removal or treatment of combustion products or combustion residues; flues
- F23J 15/02 - Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
Patent holdings for IPC class F23J 15/02
Total number of patents in this class: 541
10-year publication summary
|
54
|
59
|
58
|
46
|
25
|
41
|
46
|
29
|
30
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Technology GmbH | 1599 |
17 |
| Mitsubishi Power, Ltd. | 1737 |
15 |
| Alstom Technology Ltd | 1145 |
14 |
| 8 Rivers Capital, LLC | 239 |
14 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
11 |
| ARQ Solutions (es), Inc. | 59 |
11 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
9 |
| W. L. Gore & Associates, Inc. | 2686 |
8 |
| Membrane Technology and Research, Inc. | 90 |
8 |
| NOx II, Ltd. | 50 |
8 |
| The Babcock & Wilcox Company | 173 |
7 |
| Ecolab USA Inc. | 5341 |
6 |
| Kronoplus Limited | 791 |
6 |
| Siemens AG | 24565 |
5 |
| Palmer Labs, LLC | 30 |
5 |
| AGC Glass Europe | 1107 |
4 |
| Korea Institute of Industrial Technology | 1007 |
4 |
| Washington University | 1542 |
4 |
| GE Infrastructure Technology, LLC | 6114 |
4 |
| GEA Process Engineering A/S | 159 |
4 |
| Other owners | 377 |