- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23J - Removal or treatment of combustion products or combustion residues; flues
- F23J 15/06 - Arrangements of devices for treating smoke or fumes of coolers
Patent holdings for IPC class F23J 15/06
Total number of patents in this class: 312
10-year publication summary
|
18
|
21
|
19
|
22
|
17
|
20
|
24
|
32
|
23
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8531 |
17 |
| IHI Corporation | 3358 |
14 |
| Mitsubishi Power, Ltd. | 1735 |
11 |
| General Electric Technology GmbH | 1599 |
9 |
| Alstom Technology Ltd | 1145 |
7 |
| 8 Rivers Capital, LLC | 239 |
5 |
| Huaneng Clean Energy Research Institute | 369 |
5 |
| Next Carbon Solutions, LLC | 36 |
5 |
| Edwards Limited | 799 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3591 |
4 |
| General Electric Company | 17783 |
3 |
| Siemens AG | 24573 |
3 |
| Hitachi, Ltd. | 15220 |
3 |
| Alberta-Pacific Forest Industries Inc. | 12 |
3 |
| Graymont (PA) Inc. | 18 |
3 |
| Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources | 105 |
3 |
| Hitachi Zosen Corporation | 621 |
3 |
| Johns Manville | 964 |
3 |
| Noritz Corporation | 262 |
3 |
| Hokuetsu Corporation | 66 |
3 |
| Other owners | 201 |