- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in generalvalves or dampers specially adapted for controlling air supply or draught in combustion apparatusinducing draught in combustion apparatustops for chimneys or ventilating shaftsterminals for flues
- F23L 17/04 - Balanced-flue arrangements, i.e. devices which combine air inlet to combustion unit with smoke outlet
Patent holdings for IPC class F23L 17/04
Total number of patents in this class: 28
10-year publication summary
|
3
|
0
|
1
|
1
|
1
|
3
|
1
|
0
|
2
|
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
|
|---|---|---|
| RLH Industries, Inc. | 9 |
4 |
| DuraVent, Inc. | 58 |
3 |
| Noritz Corporation | 287 |
2 |
| Roof Goose Vent LLC | 20 |
2 |
| Hybrid Energies Alternative Technologies Inc. | 9 |
2 |
| Carrier Corporation | 3969 |
1 |
| Bernard Dalsin Manufacturing Company | 10 |
1 |
| Clear Skies Unlimited, Inc. | 2 |
1 |
| Consejo Nacional de Investigaciones Cientificas y Tecnicas (conicet) | 310 |
1 |
| Inis Biotech LLC | 98 |
1 |
| Rheem Manufacturing Company | 989 |
1 |
| Rinnai Corporation | 280 |
1 |
| Travis Industries, Inc. | 39 |
1 |
| Truma Gerätetechnik GmbH & Co. KG | 285 |
1 |
| Wolf Steel Ltd. | 14 |
1 |
| Frostfree Venting Inc. | 3 |
1 |
| 7 Euro Copper, Inc. | 9 |
1 |
| Technaflon AG | 1 |
1 |
| Hohman, Sandra K | 1 |
1 |
| Paloma Rheem Holdings Co., Ltd. | 32 |
1 |
| Other owners | 0 |