- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24D - Domestic- or space-heating systems, e.g. central heating systems; domestic hot-water supply systems; elements or components therefor
- F24D 5/02 - Hot-air central heating systems; Exhaust-gas central heating systems operating with discharge of hot air into the space or area to be heated
Patent holdings for IPC class F24D 5/02
Total number of patents in this class: 127
10-year publication summary
|
16
|
4
|
11
|
12
|
15
|
10
|
13
|
8
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trane International Inc. | 1123 |
9 |
| Lennox Industries Inc. | 1088 |
8 |
| Allied Air Enterprises Inc. | 6 |
4 |
| Cambridge Engineering, Inc. | 18 |
4 |
| MacPherson Engineering Inc. | 8 |
4 |
| TPI Corporation | 41 |
4 |
| LG Electronics Inc. | 69257 |
3 |
| Carrier Corporation | 4759 |
3 |
| Captive-Aire Systems, Inc. | 88 |
3 |
| Frost Fighter Inc. | 9 |
3 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
3 |
| Sano Development Limited | 21 |
3 |
| Google LLC | 38759 |
2 |
| Paseco Co., Ltd. | 13 |
2 |
| Rheem Manufacturing Company | 861 |
2 |
| Rinnai America Corporation | 95 |
2 |
| Viessmann Werke GmbH & Co. KG | 67 |
2 |
| HPS Home Power Solutions GmbH | 17 |
2 |
| Axiom Energy Group, LLC | 7 |
2 |
| Panasonic Corporation | 20786 |
1 |
| Other owners | 61 |