- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 1/00 - Tubular elementsAssemblies of tubular elements
Patent holdings for IPC class F28F 1/00
Total number of patents in this class: 617
10-year publication summary
|
68
|
57
|
50
|
51
|
31
|
44
|
44
|
32
|
31
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46093 |
24 |
| Valeo Systemes Thermiques | 2729 |
16 |
| MAHLE International GmbH | 2770 |
15 |
| Hamilton Sundstrand Corporation | 4868 |
14 |
| Daikin Industries, Ltd. | 9995 |
10 |
| General Electric Company | 13780 |
9 |
| Baltimore Aircoil Company, Inc. | 175 |
9 |
| Rtx Corporation | 9376 |
9 |
| Acer Incorporated | 2050 |
7 |
| Hanon Systems | 1940 |
7 |
| IHI Corporation | 3426 |
7 |
| Modine Manufacturing Company | 308 |
7 |
| Denso Corporation | 24282 |
6 |
| Carrier Corporation | 4345 |
6 |
| Evapco, Inc. | 287 |
6 |
| Holtec International, Inc. | 270 |
6 |
| Heds Holdings LLC | 18 |
6 |
| LG Electronics Inc. | 73021 |
5 |
| General Electric Technology GmbH | 1369 |
5 |
| Trane International Inc. | 1179 |
5 |
| Other owners | 438 |