- 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: 627
10-year publication summary
|
50
|
43
|
47
|
29
|
42
|
41
|
30
|
32
|
29
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47602 |
25 |
| Valeo Systemes Thermiques | 2810 |
16 |
| Hamilton Sundstrand Corporation | 5017 |
15 |
| MAHLE International GmbH | 2883 |
15 |
| Daikin Industries, Ltd. | 10384 |
10 |
| Baltimore Aircoil Company, Inc. | 179 |
10 |
| Rtx Corporation | 9875 |
10 |
| General Electric Company | 13831 |
9 |
| Acer Incorporated | 2146 |
7 |
| Hanon Systems | 2069 |
7 |
| IHI Corporation | 3514 |
7 |
| Denso Corporation | 25183 |
6 |
| Carrier Corporation | 3964 |
6 |
| Holtec International, Inc. | 275 |
6 |
| Heds Holdings LLC | 19 |
6 |
| LG Electronics Inc. | 74968 |
5 |
| Evapco, Inc. | 304 |
5 |
| General Electric Technology GmbH | 1346 |
5 |
| Modine Manufacturing Company | 306 |
5 |
| Trane International Inc. | 1214 |
5 |
| Other owners | 447 |