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  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F23J - Removal or treatment of combustion products or combustion residuesflues
  • F23J 1/00 - Removing ash, clinker, or slag from combustion chambers

Patent holdings for IPC class F23J 1/00

Total number of patents in this class: 152

10-year publication summary

5
8
9
10
5
6
5
4
1
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Heavy Industries, Ltd.
8962
5
Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd.
126
5
Kawasaki Heavy Industries, Limited
1630
4
The Chugoku Electric Power Co., Inc.
511
4
Taiheiyo Cement Corporation
242
4
Mitsubishi Power, Ltd.
1817
4
Hokkaido Electric Power Company, Incorporated
19
3
Schauenburg Maschinen- Und Anlagen-Bau GmbH
6
3
Tokuyama Corporation
1451
3
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3144
3
Xi'an Thermal Power Research Institute Co., Ltd.
413
3
Andritz Oy
286
2
Central Research Institute of Electric Power Industry
92
2
Chubu Electric Power Co., Inc.
50
2
Ecophos
7
2
Electric Power Development Co., Ltd.
69
2
Hokuriku Electric Power Company
7
2
The Kansai Electric Power Co., Inc.
131
2
Kyushu Electric Power Co., Inc.
50
2
Magaldi Industrie S.r.l.
23
2
Other owners 93

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