- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in general; valves or dampers specially adapted for controlling air supply or draught in combustion apparatus; inducing draught in combustion apparatus; tops for chimneys or ventilating shafts; terminals for flues
- F23L 17/00 - Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
Patent holdings for IPC class F23L 17/00
Total number of patents in this class: 133
10-year publication summary
10
|
20
|
15
|
21
|
15
|
11
|
5
|
9
|
8
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Regal Beloit America, Inc. | 939 |
22 |
Noritz Corporation | 255 |
14 |
Greenheck Fan Corporation | 93 |
6 |
Lennox Industries Inc. | 1088 |
5 |
Hyper Fryer, LLC | 13 |
5 |
Biochar Now, LLC | 22 |
4 |
Rheem Manufacturing Company | 861 |
4 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Rinnai Corporation | 204 |
3 |
Trane International Inc. | 1123 |
3 |
Strobic Air Corporation | 7 |
3 |
A. o. Smith Corporation | 204 |
2 |
Comair Rotron, Inc. | 2 |
2 |
IHI Corporation | 3268 |
2 |
SEC Elevator Co., Ltd | 2 |
2 |
Easy International SRL | 4 |
2 |
Roof Goose Vent LLC | 15 |
2 |
Eberspächer Climate Control Systems GmbH | 134 |
2 |
Honeywell International Inc. | 13799 |
1 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Other owners | 45 |