- 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: 619
10-year publication summary
|
61
|
61
|
46
|
44
|
40
|
45
|
36
|
25
|
24
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47971 |
28 |
| Hanon Systems | 2106 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
18 |
| Valeo Systemes Thermiques | 2825 |
17 |
| Carrier Corporation | 3958 |
13 |
| LG Electronics Inc. | 75654 |
12 |
| BWXT Canada, Ltd. | 38 |
12 |
| Trane International Inc. | 1227 |
12 |
| Casale SA | 633 |
11 |
| Caterpillar Inc. | 10272 |
10 |
| MAHLE International GmbH | 2911 |
9 |
| Rheem Manufacturing Company | 1018 |
8 |
| Samsung Electronics Co., Ltd. | 157557 |
7 |
| Denso Corporation | 25513 |
7 |
| Modine Manufacturing Company | 303 |
7 |
| Rtx Corporation | 10082 |
7 |
| ExxonMobil Research And Engineering Company | 2425 |
6 |
| Daikin Industries, Ltd. | 10478 |
6 |
| General Electric Technology GmbH | 1336 |
6 |
| Sulzer Management AG | 712 |
6 |
| Other owners | 392 |