- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23J - Removal or treatment of combustion products or combustion residues; flues
- F23J 3/04 - Traps
Patent holdings for IPC class F23J 3/04
Total number of patents in this class: 23
10-year publication summary
|
6
|
4
|
1
|
1
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
4 |
| Integrated Global Services, Inc. | 44 |
3 |
| Mitsubishi Power, Ltd. | 1680 |
2 |
| Siemens AG | 24990 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Air Burners, Inc. | 31 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
1 |
| Graymont (QC) Inc. | 8 |
1 |
| Korea Basic Science Institute | 310 |
1 |
| Sabourin, Hubert | 1 |
1 |
| Ungaro SRL | 11 |
1 |
| UT-Battelle, LLC | 1333 |
1 |
| Yara International ASA | 753 |
1 |
| Bonstel Lnd. Co., Ltd. | 1 |
1 |
| Dongtai Hi-Tech Equipment Technology (Beijing) Co., Ltd | 3 |
1 |
| FOCK, József | 2 |
1 |
| FÖLDI, László | 1 |
1 |
| Other owners | 0 |