- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 19/02 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings
Patent holdings for IPC class F28F 19/02
Total number of patents in this class: 248
10-year publication summary
|
20
|
24
|
33
|
20
|
19
|
15
|
13
|
13
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47556 |
15 |
| MAHLE International GmbH | 2879 |
9 |
| Carrier Corporation | 3968 |
7 |
| Daikin Industries, Ltd. | 10375 |
6 |
| Raytheon Company | 8463 |
5 |
| Hamilton Sundstrand Corporation | 5014 |
5 |
| Alfa Laval Corporate AB | 1328 |
5 |
| UACJ Corporation | 723 |
5 |
| Valeo Systemes Thermiques | 2809 |
5 |
| General Electric Company | 13819 |
4 |
| LG Electronics Inc. | 74953 |
4 |
| Denso Corporation | 25165 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
4 |
| Nippon Paint Surf Chemicals Co., Ltd. | 94 |
4 |
| Trane International Inc. | 1214 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
3 |
| President and Fellows of Harvard College | 6040 |
3 |
| Evoqua Water Technologies LLC | 927 |
3 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 178 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2839 |
3 |
| Other owners | 147 |