- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
- G03B 23/18 - Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects
Patent holdings for IPC class G03B 23/18
Total number of patents in this class: 3
10-year publication summary
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0
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0
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0
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0
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1
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0
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0
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0
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gemmy Industries Corporation | 66 |
1 |
| Schmidt & Bender GmbH & Co. KG | 49 |
1 |
| Dead On Industries LLC | 1 |
1 |
| Other owners | 0 |