- 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: 1143
10-year publication summary
|
88
|
112
|
103
|
86
|
73
|
67
|
63
|
79
|
67
|
40
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baltimore Aircoil Company, Inc. | 184 |
18 |
| Hamilton Sundstrand Corporation | 5017 |
17 |
| Alfa Laval Corporate AB | 1336 |
14 |
| Prime Datum, Inc. | 24 |
14 |
| Dana Canada Corporation | 268 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 9099 |
10 |
| Evapco, Inc. | 311 |
10 |
| Toyota Motor Corporation | 35578 |
9 |
| The Boeing Company | 20153 |
9 |
| Denso Corporation | 25495 |
9 |
| Mitsubishi Electric Corporation | 47943 |
9 |
| Google LLC | 44448 |
9 |
| Prime Datum Development Company, LLC | 28 |
9 |
| Trane International Inc. | 1230 |
9 |
| International Business Machines Corporation | 62612 |
8 |
| Belimo Holding AG | 290 |
8 |
| Coolit Systems Inc. | 77 |
8 |
| Güntner GmbH & Co. KG | 59 |
8 |
| Siemens AG | 24050 |
7 |
| Hyundai Motor Company | 24578 |
7 |
| Other owners | 939 |