- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing
Patent holdings for IPC class F28F 13/00
Total number of patents in this class: 932
10-year publication summary
|
95
|
107
|
95
|
71
|
67
|
64
|
62
|
57
|
44
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20094 |
16 |
| Toyota Motor Corporation | 34794 |
14 |
| Hyliion Holdings Corp. | 36 |
14 |
| Raytheon Company | 8465 |
12 |
| The Board of Trustees of the Leland Stanford Junior University | 6600 |
11 |
| International Business Machines Corporation | 62279 |
10 |
| Lockheed Martin Corporation | 3279 |
10 |
| Hamilton Sundstrand Corporation | 5019 |
10 |
| Microsoft Technology Licensing, LLC | 54243 |
9 |
| BAE SYSTEMS plc | 2458 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11020 |
8 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6116 |
8 |
| General Electric Company | 13808 |
7 |
| Northrop Grumman Systems Corporation | 2938 |
7 |
| Laird Technologies, Inc. | 377 |
7 |
| The Regents of the University of California | 20574 |
6 |
| Honeywell International Inc. | 12788 |
6 |
| Intel Corporation | 46700 |
6 |
| Hanon Systems | 2071 |
6 |
| Samsung Electronics Co., Ltd. | 154406 |
5 |
| Other owners | 751 |