- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 1/00 - Tubular elements; Assemblies of tubular elements
Patent holdings for IPC class F28F 1/00
Total number of patents in this class: 592
10-year publication summary
|
68
|
68
|
57
|
50
|
50
|
30
|
41
|
44
|
31
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
24 |
| Valeo Systemes Thermiques | 2471 |
17 |
| Hamilton Sundstrand Corporation | 4525 |
14 |
| MAHLE International GmbH | 2670 |
14 |
| General Electric Company | 18133 |
9 |
| Baltimore Aircoil Company, Inc. | 156 |
9 |
| Daikin Industries, Ltd. | 9495 |
8 |
| Carrier Corporation | 4759 |
8 |
| Modine Manufacturing Company | 305 |
8 |
| Rtx Corporation | 8674 |
8 |
| Acer Incorporated | 1864 |
7 |
| Hanon Systems | 1632 |
7 |
| IHI Corporation | 3268 |
7 |
| Denso Corporation | 23338 |
6 |
| General Electric Technology GmbH | 1657 |
6 |
| LG Electronics Inc. | 69257 |
5 |
| Evapco, Inc. | 244 |
5 |
| Holtec International, Inc. | 258 |
5 |
| Trane International Inc. | 1123 |
5 |
| The Boeing Company | 19843 |
4 |
| Other owners | 416 |