- 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
|
21
|
21
|
24
|
33
|
20
|
19
|
15
|
13
|
13
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45752 |
15 |
| MAHLE International GmbH | 2740 |
8 |
| Carrier Corporation | 4364 |
7 |
| Daikin Industries, Ltd. | 9951 |
6 |
| Alfa Laval Corporate AB | 1302 |
6 |
| Raytheon Company | 8395 |
5 |
| Hamilton Sundstrand Corporation | 4826 |
5 |
| UACJ Corporation | 680 |
5 |
| Valeo Systemes Thermiques | 2689 |
5 |
| General Electric Company | 13823 |
4 |
| LG Electronics Inc. | 72357 |
4 |
| Denso Corporation | 24099 |
4 |
| Behr GmbH & Co. KG | 324 |
4 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
4 |
| Nippon Paint Surf Chemicals Co., Ltd. | 89 |
4 |
| Trane International Inc. | 1172 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
3 |
| President and Fellows of Harvard College | 5942 |
3 |
| Evoqua Water Technologies LLC | 915 |
3 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 173 |
3 |
| Other owners | 146 |