- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 568
10-year publication summary
|
57
|
60
|
61
|
61
|
45
|
44
|
38
|
42
|
33
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
26 |
| Hanon Systems | 1632 |
23 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
18 |
| Valeo Systemes Thermiques | 2471 |
18 |
| Casale SA | 572 |
13 |
| BWXT Canada, Ltd. | 39 |
12 |
| LG Electronics Inc. | 69257 |
11 |
| Carrier Corporation | 4759 |
11 |
| Trane International Inc. | 1123 |
11 |
| ExxonMobil Research And Engineering Company | 2830 |
10 |
| Caterpillar Inc. | 8877 |
10 |
| MAHLE International GmbH | 2670 |
8 |
| Reaction Engines Ltd | 46 |
8 |
| Rheem Manufacturing Company | 861 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Denso Corporation | 23338 |
6 |
| Daikin Industries, Ltd. | 9495 |
6 |
| General Electric Technology GmbH | 1657 |
6 |
| Modine Manufacturing Company | 305 |
6 |
| Kyungdong Navien Co., Ltd. | 566 |
5 |
| Other owners | 347 |