- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23J - Removal or treatment of combustion products or combustion residues; flues
- F23J 1/04 - Hand tools, e.g. rakes, prickers, tongs
Patent holdings for IPC class F23J 1/04
Total number of patents in this class: 3
10-year publication summary
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
4
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Clyde Bergemann, Inc. | 10 |
1 |
Buettgen, John J. | 1 |
1 |
Kreutzer, Leslie | 1 |
1 |
Other owners | 0 |