- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1048
10-year publication summary
|
100
|
88
|
112
|
102
|
85
|
72
|
67
|
59
|
71
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4712 |
17 |
| Baltimore Aircoil Company, Inc. | 164 |
15 |
| Alfa Laval Corporate AB | 1305 |
14 |
| Dana Canada Corporation | 276 |
12 |
| Prime Datum, Inc. | 22 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8504 |
10 |
| The Boeing Company | 19900 |
9 |
| Denso Corporation | 23692 |
9 |
| Mitsubishi Electric Corporation | 44678 |
9 |
| Google LLC | 40708 |
9 |
| Prime Datum Development Company, LLC | 25 |
9 |
| Trane International Inc. | 1147 |
9 |
| International Business Machines Corporation | 60067 |
8 |
| Toyota Motor Corporation | 30292 |
8 |
| Carrier Corporation | 4443 |
8 |
| Belimo Holding AG | 256 |
8 |
| Coolit Systems Inc. | 46 |
8 |
| Siemens AG | 24575 |
7 |
| Hyundai Motor Company | 20356 |
7 |
| Uop LLC | 4187 |
7 |
| Other owners | 854 |