- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- F23J 15/00 - Arrangements of devices for treating smoke or fumes
Patent holdings for IPC class F23J 15/00
Total number of patents in this class: 747
10-year publication summary
|
58
|
56
|
55
|
51
|
45
|
41
|
21
|
42
|
36
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8703 |
69 |
| Mitsubishi Power, Ltd. | 1759 |
31 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
28 |
| IHI Corporation | 3422 |
22 |
| Alstom Technology Ltd | 1108 |
18 |
| The Chugoku Electric Power Co., Inc. | 514 |
17 |
| General Electric Technology GmbH | 1371 |
16 |
| NOx II, Ltd. | 48 |
15 |
| Babcock-Hitachi Kabushiki Kaisha | 103 |
14 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3974 |
13 |
| Hitachi Zosen Corporation | 619 |
9 |
| GE Vernova Infrastructure Technology LLC | 155 |
9 |
| Tokyo Metropolitan University | 98 |
8 |
| ARQ Solutions (es), Inc. | 58 |
8 |
| The Babcock & Wilcox Company | 154 |
7 |
| Membrane Technology and Research, Inc. | 90 |
7 |
| S.A. Lhoist Recherche et Developpement | 172 |
7 |
| General Electric Company | 13762 |
6 |
| Siemens AG | 24518 |
6 |
| Doosan Lentjes GmbH | 47 |
5 |
| Other owners | 432 |