- 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: 1125
10-year publication summary
|
84
|
97
|
94
|
74
|
67
|
59
|
59
|
72
|
62
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baltimore Aircoil Company, Inc. | 179 |
18 |
| Hamilton Sundstrand Corporation | 5017 |
17 |
| Alfa Laval Corporate AB | 1329 |
14 |
| Prime Datum, Inc. | 24 |
14 |
| Dana Canada Corporation | 270 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 9020 |
10 |
| Toyota Motor Corporation | 34633 |
9 |
| The Boeing Company | 20097 |
9 |
| Denso Corporation | 25183 |
9 |
| Mitsubishi Electric Corporation | 47602 |
9 |
| Google LLC | 43789 |
9 |
| Prime Datum Development Company, LLC | 27 |
9 |
| Trane International Inc. | 1214 |
9 |
| International Business Machines Corporation | 62220 |
8 |
| Belimo Holding AG | 276 |
8 |
| Coolit Systems Inc. | 76 |
8 |
| Siemens AG | 24200 |
7 |
| Hyundai Motor Company | 23762 |
7 |
| Dell Products L.P. | 16388 |
7 |
| Uop LLC | 4309 |
7 |
| Other owners | 925 |