- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 9/013 - Auxiliary supports for elements for tubes or tube-assemblies
Patent holdings for IPC class F28F 9/013
Total number of patents in this class: 625
10-year publication summary
|
61
|
61
|
46
|
44
|
40
|
45
|
36
|
25
|
24
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48460 |
28 |
| Hanon Systems | 2141 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
18 |
| Valeo Systemes Thermiques | 2818 |
17 |
| Carrier Corporation | 3960 |
13 |
| LG Electronics Inc. | 76299 |
12 |
| BWXT Canada, Ltd. | 39 |
12 |
| Trane International Inc. | 1245 |
12 |
| Casale SA | 638 |
11 |
| Caterpillar Inc. | 10343 |
10 |
| MAHLE International GmbH | 2929 |
9 |
| Rheem Manufacturing Company | 1036 |
8 |
| Samsung Electronics Co., Ltd. | 159473 |
7 |
| Denso Corporation | 25820 |
7 |
| Modine Manufacturing Company | 301 |
7 |
| Rtx Corporation | 10222 |
7 |
| Daikin Industries, Ltd. | 10540 |
6 |
| General Electric Technology GmbH | 1318 |
6 |
| Sulzer Management AG | 718 |
6 |
| Watlow Electric Manufacturing Company | 576 |
6 |
| Other owners | 398 |