- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 7/04 - Ventilation with ducting systems
Patent holdings for IPC class F24F 7/04
Total number of patents in this class: 196
10-year publication summary
|
24
|
22
|
18
|
18
|
21
|
16
|
20
|
17
|
15
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Faurecia Innenraum Systeme GmbH | 235 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Carrier Corporation | 4759 |
4 |
| Bripco BVBA | 39 |
4 |
| Chatsworth Products, Inc. | 225 |
4 |
| MariCap Oy | 182 |
4 |
| Panasonic Corporation | 20786 |
3 |
| Flexible Technologies, Inc. | 47 |
3 |
| Forced Physics LLC | 20 |
3 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
3 |
| Oregon Health & Science University | 746 |
3 |
| Trane International Inc. | 1123 |
3 |
| Sahara Co., Ltd. | 7 |
3 |
| FUJIFILM Corporation | 27102 |
2 |
| Ford Global Technologies, LLC | 19702 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Better Air Manufacturing Ltd. | 8 |
2 |
| Bombardier Inc. | 749 |
2 |
| Broan-NuTone LLC | 459 |
2 |
| C'stec Corporation | 12 |
2 |
| Other owners | 136 |