- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23J - Removal or treatment of combustion products or combustion residues; flues
- F23J 3/02 - Cleaning furnace tubes; Cleaning flues or chimneys
Patent holdings for IPC class F23J 3/02
Total number of patents in this class: 118
10-year publication summary
11
|
12
|
9
|
13
|
8
|
7
|
12
|
13
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bang & Clean GmbH | 21 |
7 |
Clyde Bergemann GmbH Maschinen-Und Apparatebau | 10 |
4 |
Martin GmbH fur Umwelt-und Energietechnik | 50 |
4 |
Varo Teollisuuspalvelut Oy | 13 |
4 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
4 |
International Paper Company | 857 |
3 |
Soottech Aktiebolag | 7 |
3 |
Diamond Power International, LLC | 63 |
3 |
SL-Technik GmbH | 23 |
3 |
Suzhou Tpri Ener & Enviro Tech Co., Ltd. | 21 |
3 |
Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
Air Products and Chemicals, Inc. | 1448 |
2 |
Biomass Heating Solutions Limited | 8 |
2 |
Candu Energy Inc. | 47 |
2 |
Diamond Power International, Inc. | 11 |
2 |
Siemens AG | 24990 |
1 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Alstom Technology Ltd | 1196 |
1 |
Asahi Glass Company, Limited | 2985 |
1 |
National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
Other owners | 65 |