- 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: 531
10-year publication summary
|
74
|
54
|
59
|
58
|
46
|
25
|
41
|
45
|
29
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Technology GmbH | 1657 |
17 |
| Mitsubishi Power, Ltd. | 1680 |
17 |
| Alstom Technology Ltd | 1196 |
15 |
| 8 Rivers Capital, LLC | 224 |
13 |
| ARQ Solutions (es), Inc. | 58 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
9 |
| W. L. Gore & Associates, Inc. | 2600 |
8 |
| Membrane Technology and Research, Inc. | 92 |
8 |
| NOx II, Ltd. | 50 |
8 |
| The Babcock & Wilcox Company | 184 |
7 |
| Ecolab USA Inc. | 5190 |
6 |
| Kronoplus Limited | 770 |
6 |
| Siemens AG | 24990 |
5 |
| Palmer Labs, LLC | 30 |
5 |
| AGC Glass Europe | 1049 |
4 |
| Korea Institute of Industrial Technology | 994 |
4 |
| Washington University | 1473 |
4 |
| GE Infrastructure Technology, LLC | 5873 |
4 |
| GEA Process Engineering A/S | 150 |
4 |
| Other owners | 366 |