- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 9/20 - Arrangements of heat reflectors, e.g. separately-insertible reflecting walls
Patent holdings for IPC class F28F 9/20
Total number of patents in this class: 17
10-year publication summary
|
4
|
0
|
1
|
1
|
2
|
1
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Condevo S.p.A. | 20 |
2 |
| Hanon Systems | 2067 |
2 |
| NOVA Chemicals (International) S.A. | 792 |
2 |
| Lydall Performance Materials (US), Inc. | 21 |
2 |
| Honeywell International Inc. | 12796 |
1 |
| Massachusetts Institute of Technology | 10196 |
1 |
| Carrier Corporation | 3968 |
1 |
| Cuylits Holding GmbH | 22 |
1 |
| ElringKlinger AG | 571 |
1 |
| The Petroleum Oil and Gas Corporation of South Africa (Pty) Ltd. | 10 |
1 |
| SMS Group GmbH | 1164 |
1 |
| Zhejiang Yinlun Machinery Co., Ltd. | 68 |
1 |
| Advanced Material Solutions, LLC | 10 |
1 |
| Other owners | 0 |