- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23J - Removal or treatment of combustion products or combustion residues; flues
- 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: 63
10-year publication summary
|
3
|
4
|
7
|
8
|
7
|
7
|
6
|
8
|
6
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watlow Electric Manufacturing Company | 569 |
6 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
4 |
| Mitsubishi Power, Ltd. | 1680 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Graymont (PA) Inc. | 17 |
2 |
| Kyungdong Navien Co., Ltd. | 566 |
2 |
| Arvos Ljungstrom LLC | 43 |
2 |
| Sumitomo Shi FW Energia Oy | 48 |
2 |
| Next Carbon Solutions, LLC | 34 |
2 |
| Kingmaker Co., Ltd. | 2 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Alstom Technology Ltd | 1196 |
1 |
| Chevron U.S.A. Inc. | 3774 |
1 |
| Tsinghua University | 5426 |
1 |
| Babcock Power Environmental Inc. | 13 |
1 |
| Chugai Ro Co., Ltd. | 124 |
1 |
| Edwards Japan Limited | 376 |
1 |
| Forschungszentrum Julich GmbH | 604 |
1 |
| Friedrich Boysen GmbH & Co. KG | 40 |
1 |
| General Electric Technology GmbH | 1657 |
1 |
| Other owners | 25 |