- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
Patent holdings for IPC class F28F 27/00
Total number of patents in this class: 1087
10-year publication summary
|
88
|
84
|
97
|
94
|
74
|
67
|
59
|
59
|
70
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4923 |
17 |
| Baltimore Aircoil Company, Inc. | 176 |
16 |
| Alfa Laval Corporate AB | 1321 |
14 |
| Prime Datum, Inc. | 23 |
13 |
| Dana Canada Corporation | 274 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
10 |
| Toyota Motor Corporation | 32956 |
9 |
| The Boeing Company | 20131 |
9 |
| Denso Corporation | 24541 |
9 |
| Mitsubishi Electric Corporation | 46547 |
9 |
| Google LLC | 42628 |
9 |
| Prime Datum Development Company, LLC | 26 |
9 |
| Trane International Inc. | 1194 |
9 |
| International Business Machines Corporation | 61537 |
8 |
| Belimo Holding AG | 274 |
8 |
| Coolit Systems Inc. | 57 |
8 |
| Siemens AG | 24352 |
7 |
| Hyundai Motor Company | 22369 |
7 |
| Dell Products L.P. | 14768 |
7 |
| Uop LLC | 4246 |
7 |
| Other owners | 890 |