- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- 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: 618
10-year publication summary
|
59
|
58
|
46
|
25
|
41
|
46
|
36
|
38
|
49
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Technology GmbH | 1322 |
15 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
14 |
| 8 Rivers Capital, LLC | 232 |
14 |
| Huaneng Clean Energy Research Institute | 511 |
14 |
| Mitsubishi Power, Ltd. | 1836 |
14 |
| Alstom Technology Ltd | 1033 |
13 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4137 |
11 |
| ARQ Solutions (es), Inc. | 61 |
11 |
| Huaneng Shandong Power Generation Co., Ltd. Zotye Power Plant | 49 |
9 |
| Huaneng Linyi Power Generation Co., Ltd | 45 |
9 |
| W. L. Gore & Associates, Inc. | 2735 |
8 |
| Membrane Technology and Research, Inc. | 90 |
8 |
| The Babcock & Wilcox Company | 139 |
7 |
| Ecolab USA Inc. | 5831 |
6 |
| Siemens AG | 23956 |
5 |
| Palmer Labs, LLC | 29 |
5 |
| Washington University | 1765 |
5 |
| Renewable Iron Fuel Technology B.V. | 31 |
5 |
| AGC Glass Europe | 1188 |
4 |
| Brisa International LLC | 6 |
4 |
| Other owners | 437 |