- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 19/06 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of metal
Patent holdings for IPC class F28F 19/06
Total number of patents in this class: 269
10-year publication summary
|
25
|
31
|
28
|
28
|
18
|
17
|
14
|
19
|
11
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 701 |
30 |
| Mitsubishi Electric Corporation | 46397 |
21 |
| Denso Corporation | 24431 |
18 |
| Daikin Industries, Ltd. | 10070 |
13 |
| Carrier Corporation | 4294 |
13 |
| Valeo Systemes Thermiques | 2733 |
9 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
8 |
| Nelumbo Inc. | 48 |
6 |
| MAHLE International GmbH | 2784 |
5 |
| Mitsubishi Aluminum Co., Ltd. | 56 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
4 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 174 |
4 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 144 |
4 |
| Stamicarbon B.V. | 303 |
4 |
| UACJ Extrusion Corporation | 20 |
4 |
| Materion Newton Inc. | 66 |
4 |
| MA Aluminum Corporation | 46 |
4 |
| LG Electronics Inc. | 73531 |
3 |
| Alfa Laval Corporate AB | 1317 |
3 |
| Lennox Industries Inc. | 1130 |
3 |
| Other owners | 104 |