- 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 17/00 - Inducing draughtTops for chimneys or ventilating shaftsTerminals for flues
Patent holdings for IPC class F23L 17/00
Total number of patents in this class: 124
10-year publication summary
|
15
|
21
|
15
|
11
|
5
|
9
|
8
|
4
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Regal Beloit America, Inc. | 850 |
20 |
| Noritz Corporation | 294 |
14 |
| Hyper Fryer, LLC | 15 |
6 |
| Lennox Industries Inc. | 1128 |
5 |
| Rheem Manufacturing Company | 1033 |
5 |
| Biochar Now, LLC | 22 |
4 |
| Greenheck Fan Corporation | 98 |
4 |
| Strobic Air Corporation | 7 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
3 |
| Rinnai Corporation | 288 |
3 |
| Trane International Inc. | 1243 |
3 |
| A. o. Smith Corporation | 220 |
2 |
| Air Distribution Technologies IP, LLC | 254 |
2 |
| IHI Corporation | 3544 |
2 |
| SEC Elevator Co., Ltd | 2 |
2 |
| Roof Goose Vent LLC | 25 |
2 |
| Honeywell International Inc. | 12767 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
1 |
| Ebara Corporation | 2371 |
1 |
| A. o. Smith Enterprises Ltd. | 34 |
1 |
| Other owners | 39 |