- 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: 122
10-year publication summary
|
11
|
8
|
11
|
8
|
4
|
11
|
12
|
6
|
4
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bang & Clean GmbH | 25 |
7 |
| Martin GmbH fur Umwelt-und Energietechnik | 55 |
5 |
| Clyde Bergemann GmbH Maschinen-Und Apparatebau | 10 |
4 |
| Diamond Power International, LLC | 49 |
4 |
| Varo Teollisuuspalvelut Oy | 13 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3108 |
4 |
| International Paper Company | 750 |
3 |
| SL-Technik GmbH | 22 |
3 |
| Suzhou Tpri Ener & Enviro Tech Co., Ltd. | 35 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
2 |
| Air Products and Chemicals, Inc. | 1455 |
2 |
| Biomass Heating Solutions Limited | 8 |
2 |
| Candu Energy Inc. | 54 |
2 |
| Diamond Power International, Inc. | 8 |
2 |
| Edwards Limited | 792 |
2 |
| Explo Engineering AG | 19 |
2 |
| Soottech Aktiebolag | 4 |
2 |
| Wave Impact Heat Management AB | 7 |
2 |
| Siemens AG | 24333 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8900 |
1 |
| Other owners | 65 |