- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- F23J 11/12 - Smoke conduit systems for factories or large buildings
Patent holdings for IPC class F23J 11/12
Total number of patents in this class: 17
10-year publication summary
|
0
|
3
|
1
|
2
|
0
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0
|
1
|
0
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| D'herville, Florence Anne | 2 |
2 |
| Hatch Ltd. | 222 |
2 |
| Noritz Corporation | 288 |
2 |
| Hadek Protective Systems b.v. | 9 |
1 |
| Johnson, Christine Marie | 1 |
1 |
| Moore, Nicholas Peter | 1 |
1 |
| RM Manifold Group, Inc. | 7 |
1 |
| BD Energy Systems, LLC | 17 |
1 |
| exodraft a/s | 1 |
1 |
| Easy International SRL | 3 |
1 |
| INTER BONOS d.o.o. | 1 |
1 |
| Technaflon AG | 1 |
1 |
| Shell USA, Inc. | 1286 |
1 |
| Pipeeksperten AS | 1 |
1 |
| Other owners | 0 |