- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 19/00 - Preventing the formation of deposits or corrosion, e.g. by using filters
Patent holdings for IPC class F28F 19/00
Total number of patents in this class: 637
10-year publication summary
|
62
|
85
|
85
|
47
|
39
|
38
|
28
|
48
|
21
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48409 |
19 |
| Valeo Systemes Thermiques | 2819 |
19 |
| Daikin Industries, Ltd. | 10527 |
17 |
| Koninklijke Philips N.V. | 26073 |
16 |
| Carrier Corporation | 3962 |
14 |
| Kurita Water Industries Ltd. | 1294 |
13 |
| Hamilton Sundstrand Corporation | 5013 |
12 |
| Samsung Electronics Co., Ltd. | 159298 |
11 |
| MAHLE International GmbH | 2924 |
11 |
| Massachusetts Institute of Technology | 10313 |
8 |
| Denso Corporation | 25799 |
7 |
| Valeo Autosystemy Sp. z o.o. | 133 |
7 |
| Corrosion Monitoring Service, Inc. | 6 |
6 |
| Siemens AG | 23913 |
5 |
| Uop LLC | 4401 |
5 |
| Delta Electronics, Inc. | 2869 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11136 |
5 |
| Alfa Laval Olmi S.p.A | 22 |
5 |
| Hanon Systems | 2137 |
5 |
| Copeland LP | 716 |
5 |
| Other owners | 442 |