- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28D - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contactheat storage plants or apparatus in general
- F28D 7/14 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically both tubes being bent
Patent holdings for IPC class F28D 7/14
Total number of patents in this class: 59
10-year publication summary
|
8
|
3
|
5
|
1
|
4
|
1
|
2
|
2
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Franke Technology and Trademark Ltd | 145 |
4 |
| Dometic Sweden AB | 591 |
2 |
| HS R & a Co., Ltd. | 34 |
2 |
| Kdw Company Limited | 8 |
2 |
| Nitech Solutions Limited | 15 |
2 |
| Senior UK Limited | 11 |
2 |
| Granit Technologies and Engineering (grt) SA | 3 |
2 |
| Extek Energy Equipment (Zhejiang) Co., Ltd | 5 |
2 |
| Rtx Corporation | 10102 |
2 |
| SNECMA S.A. | 1146 |
1 |
| Pratt & Whitney Canada Corp. | 5479 |
1 |
| Airbus Operations S.A.S. | 2556 |
1 |
| Denso Corporation | 25534 |
1 |
| Samsung SDI Co., Ltd. | 10589 |
1 |
| NVIDIA Corporation | 8616 |
1 |
| Uop LLC | 4393 |
1 |
| Tsinghua University | 6211 |
1 |
| AIC S.A. | 52 |
1 |
| Chuon Co., Ltd. | 4 |
1 |
| C.I. Kasei Company, Limited | 37 |
1 |
| Other owners | 28 |