- 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: 630
10-year publication summary
|
50
|
43
|
47
|
29
|
42
|
41
|
30
|
32
|
28
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47449 |
25 |
| Valeo Systemes Thermiques | 2798 |
16 |
| MAHLE International GmbH | 2862 |
15 |
| Hamilton Sundstrand Corporation | 5006 |
14 |
| Daikin Industries, Ltd. | 10243 |
10 |
| Baltimore Aircoil Company, Inc. | 179 |
10 |
| Rtx Corporation | 9785 |
10 |
| General Electric Company | 13804 |
9 |
| Acer Incorporated | 2135 |
7 |
| Hanon Systems | 2045 |
7 |
| IHI Corporation | 3508 |
7 |
| Denso Corporation | 25062 |
6 |
| Carrier Corporation | 3980 |
6 |
| Evapco, Inc. | 303 |
6 |
| Holtec International, Inc. | 273 |
6 |
| Heds Holdings LLC | 19 |
6 |
| LG Electronics Inc. | 74619 |
5 |
| General Electric Technology GmbH | 1354 |
5 |
| Modine Manufacturing Company | 306 |
5 |
| Trane International Inc. | 1208 |
5 |
| Other owners | 450 |