- 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 5/04 - Hot-air central heating systems; Exhaust-gas central heating systems operating with discharge of hot air into the space or area to be heated with return of the air to the air heater
Patent holdings for IPC class F24D 5/04
Total number of patents in this class: 78
10-year publication summary
|
13
|
7
|
15
|
5
|
8
|
2
|
14
|
4
|
7
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lennox Industries Inc. | 1088 |
15 |
| MJC, Inc. | 17 |
6 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
5 |
| Carrier Corporation | 4759 |
4 |
| Air Distribution Technologies IP, LLC | 160 |
4 |
| Rheem Manufacturing Company | 861 |
3 |
| Trane International Inc. | 1123 |
3 |
| LG Electronics Inc. | 69257 |
2 |
| Pac, LLC | 6 |
2 |
| Rinnai America Corporation | 95 |
2 |
| Commercial Energy Savings Plus, LLC | 4 |
2 |
| Copeland Comfort Control LP | 271 |
2 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Daikin Industries, Ltd. | 9495 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| C.g.m. S.r.l. | 4 |
1 |
| Cinier Radiateurs, SARL | 5 |
1 |
| Coil Master Corporation | 29 |
1 |
| Concept Development Corporation | 27 |
1 |
| Other owners | 20 |