- 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: 631
10-year publication summary
|
57
|
50
|
51
|
31
|
44
|
44
|
33
|
33
|
31
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48460 |
26 |
| Hamilton Sundstrand Corporation | 5013 |
15 |
| MAHLE International GmbH | 2929 |
15 |
| Valeo Systemes Thermiques | 2818 |
15 |
| Baltimore Aircoil Company, Inc. | 188 |
10 |
| Rtx Corporation | 10222 |
10 |
| General Electric Company | 14010 |
9 |
| Daikin Industries, Ltd. | 10540 |
9 |
| Acer Incorporated | 2203 |
7 |
| Hanon Systems | 2141 |
7 |
| IHI Corporation | 3552 |
7 |
| Denso Corporation | 25820 |
6 |
| Carrier Corporation | 3960 |
6 |
| Holtec International, Inc. | 279 |
6 |
| Heds Holdings LLC | 20 |
6 |
| LG Electronics Inc. | 76299 |
5 |
| Evapco, Inc. | 319 |
5 |
| General Electric Technology GmbH | 1318 |
5 |
| Modine Manufacturing Company | 301 |
5 |
| Trane International Inc. | 1245 |
5 |
| Other owners | 452 |