- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- F23J 15/08 - Arrangements of devices for treating smoke or fumes of heaters
Patent holdings for IPC class F23J 15/08
Total number of patents in this class: 78
10-year publication summary
|
4
|
7
|
8
|
7
|
7
|
6
|
7
|
6
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watlow Electric Manufacturing Company | 583 |
6 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
4 |
| Mitsubishi Power, Ltd. | 1772 |
4 |
| Next Carbon Solutions, LLC | 40 |
4 |
| Graymont (PA) Inc. | 18 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
2 |
| Hitachi Zosen Corporation | 617 |
2 |
| Huaneng Clean Energy Research Institute | 441 |
2 |
| Kyungdong Navien Co., Ltd. | 618 |
2 |
| Arvos Ljungstrom LLC | 46 |
2 |
| Sumitomo Shi FW Energia Oy | 58 |
2 |
| Kingmaker Co., Ltd. | 2 |
2 |
| Huaneng Shandong Power Generation Co., Ltd. Zotye Power Plant | 38 |
2 |
| Huaneng Linyi Power Generation Co., Ltd | 34 |
2 |
| Samsung Electronics Co., Ltd. | 146811 |
1 |
| Alstom Technology Ltd | 1100 |
1 |
| Chevron U.S.A. Inc. | 3967 |
1 |
| Tsinghua University | 5940 |
1 |
| Babcock Power Environmental Inc. | 8 |
1 |
| Chugai Ro Co., Ltd. | 130 |
1 |
| Other owners | 33 |