- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural combinations of lighting devices with other articles, not otherwise provided for
- F21V 29/52 - Cooling arrangements using condensation or evaporation of a fluid, e.g. heat pipes electrically powered, e.g. refrigeration systems
Patent holdings for IPC class F21V 29/52
Total number of patents in this class: 12
10-year publication summary
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1
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0
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2
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1
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2
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2
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2
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2
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Coretronic Corporation | 1165 |
1 |
| Dialight Corporation | 233 |
1 |
| Eaton Protection Systems IP GmbH & Co. KG | 37 |
1 |
| Ozyegin Universitesi | 93 |
1 |
| Maxell, Ltd. | 2533 |
1 |
| Hong Fu Tai Precision Electrons (Yantai) Co., Ltd. | 7 |
1 |
| Sony Group Corporation | 10730 |
1 |
| Cropsy Technologies Limited | 3 |
1 |
| Other owners | 0 |