- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 13/02 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by influencing fluid boundary
Patent holdings for IPC class F28F 13/02
Total number of patents in this class: 176
10-year publication summary
|
14
|
9
|
13
|
13
|
18
|
9
|
10
|
14
|
8
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48097 |
8 |
| Ebullient, Inc. | 20 |
6 |
| Trane International Inc. | 1230 |
5 |
| Unison Industries, LLC | 216 |
5 |
| General Electric Company | 13908 |
4 |
| NEC Corporation | 37064 |
4 |
| Kyocera Corporation | 14404 |
4 |
| Daikin Industries, Ltd. | 10511 |
4 |
| Fractal Heatsink Technologies, LLC | 21 |
4 |
| Pratt & Whitney Canada Corp. | 5511 |
3 |
| Mitsubishi Materials Corporation | 2473 |
3 |
| Denso Corporation | 25607 |
2 |
| Lawrence Livermore National Security, LLC | 1978 |
2 |
| The Furukawa Electric Co., Ltd. | 3700 |
2 |
| Acer Incorporated | 2187 |
2 |
| Dana Canada Corporation | 268 |
2 |
| Duramax Marine, LLC | 41 |
2 |
| Ecopuro, LLC | 25 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2837 |
2 |
| Kyushu University, National University Corporation | 1725 |
2 |
| Other owners | 108 |