- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 3/10 - Arrangement for sealing the margins
Patent holdings for IPC class F28F 3/10
Total number of patents in this class: 234
10-year publication summary
|
27
|
18
|
12
|
20
|
20
|
29
|
21
|
14
|
17
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1310 |
64 |
| Dana Canada Corporation | 273 |
11 |
| T.RAD Co., Ltd. | 99 |
9 |
| Danfoss A/S | 1354 |
9 |
| Daikin Industries, Ltd. | 9991 |
6 |
| Nortek Air Solutions Canada, Inc. | 121 |
6 |
| Hitachi-GE Nuclear Energy, Ltd. | 282 |
5 |
| SPX FLOW, Inc. | 132 |
5 |
| Copeland LP | 700 |
5 |
| Hisaka Works, Ltd. | 32 |
4 |
| SWEP International AB | 105 |
4 |
| WCR Inc. | 8 |
4 |
| Mitsubishi Electric Corporation | 45962 |
3 |
| LG Electronics Inc. | 72807 |
2 |
| Robert Bosch GmbH | 42632 |
2 |
| Denso Corporation | 24230 |
2 |
| LG Innotek Co., Ltd. | 7610 |
2 |
| Alfa Laval Vicarb | 12 |
2 |
| CAS Super Energy Technology Jingjiang Ltd. | 6 |
2 |
| Hanon Systems | 1923 |
2 |
| Other owners | 85 |