- 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 15/06 - Control arrangements therefor
Patent holdings for IPC class F28D 15/06
Total number of patents in this class: 253
10-year publication summary
|
26
|
35
|
41
|
33
|
18
|
20
|
12
|
11
|
12
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25361 |
30 |
| NEC Corporation | 36631 |
10 |
| International Business Machines Corporation | 62325 |
8 |
| Hamilton Sundstrand Corporation | 5019 |
8 |
| Shimadzu Corporation | 6310 |
6 |
| Euro Heat Pipes | 16 |
5 |
| Siemens AG | 24132 |
4 |
| Fujitsu Limited | 16991 |
4 |
| The Furukawa Electric Co., Ltd. | 3700 |
4 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1425 |
4 |
| The United States of America as represented by the Secretary of the Air Force | 906 |
4 |
| Toyota Motor Corporation | 34999 |
3 |
| Intel Corporation | 46737 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
3 |
| Dell Products L.P. | 16476 |
3 |
| Advanced Cooling Technologies, Inc. | 44 |
3 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 165 |
3 |
| Munters Corporation | 123 |
3 |
| Naked Energy Ltd | 10 |
3 |
| NEC Platforms, Ltd. | 1066 |
3 |
| Other owners | 139 |