- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- F23J 3/02 - Cleaning furnace tubesCleaning flues or chimneys
Patent holdings for IPC class F23J 3/02
Total number of patents in this class: 124
10-year publication summary
|
9
|
13
|
8
|
7
|
12
|
13
|
7
|
4
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bang & Clean GmbH | 27 |
7 |
| Martin GmbH fur Umwelt-und Energietechnik | 51 |
5 |
| Clyde Bergemann GmbH Maschinen-Und Apparatebau | 11 |
4 |
| Diamond Power International, LLC | 48 |
4 |
| Varo Teollisuuspalvelut Oy | 13 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3240 |
4 |
| International Paper Company | 603 |
3 |
| SL-Technik GmbH | 17 |
3 |
| Suzhou Tpri Ener & Enviro Tech Co., Ltd. | 45 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
2 |
| Air Products and Chemicals, Inc. | 1468 |
2 |
| Biomass Heating Solutions Limited | 8 |
2 |
| Candu Energy Inc. | 68 |
2 |
| Diamond Power International, Inc. | 6 |
2 |
| Edwards Limited | 775 |
2 |
| Explo Engineering AG | 20 |
2 |
| Soottech Aktiebolag | 3 |
2 |
| Wave Impact Heat Management AB | 7 |
2 |
| Zhengzhou Non-Ferrous Metals Research Institute Co.Ltd of Chalco | 79 |
2 |
| Siemens AG | 24064 |
1 |
| Other owners | 66 |