- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 1/16 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
Patent holdings for IPC class F28F 1/16
Total number of patents in this class: 120
10-year publication summary
|
11
|
9
|
18
|
9
|
3
|
14
|
7
|
8
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46197 |
8 |
| Holtec International, Inc. | 270 |
7 |
| Fondital S.p.A. | 24 |
5 |
| Daikin Industries, Ltd. | 10027 |
4 |
| Rtx Corporation | 9410 |
4 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 166 |
3 |
| Taylor Commercial Foodservice, LLC | 147 |
3 |
| General Electric Company | 13810 |
2 |
| Denso Corporation | 24355 |
2 |
| Carrier Corporation | 4296 |
2 |
| Bundy Refrigeration International Holding B.V. | 4 |
2 |
| Dometic Sweden AB | 553 |
2 |
| Evapco, Inc. | 287 |
2 |
| NOVA Chemicals (International) S.A. | 773 |
2 |
| R.b.m. S.p.A. | 54 |
2 |
| The University of Tokyo | 4189 |
2 |
| Waki Factory Inc. | 9 |
2 |
| Hydro Extruded Solutions AS | 48 |
2 |
| Bundy Refrigeration GmbH | 3 |
2 |
| Thermal Channel Technologies Oy | 9 |
2 |
| Other owners | 60 |