- All sections
- B - Performing operationstransporting
- B29C - Shaping or joining of plasticsshaping of material in a plastic state, not otherwise provided forafter-treatment of the shaped products, e.g. repairing
- B29C 48/58 - Screws provided with seal ring elements, i.e. elements of generally circular and tapered shape for preventing the back flow of the melt
Patent holdings for IPC class B29C 48/58
Total number of patents in this class: 11
10-year publication summary
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0
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1
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0
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1
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1
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1
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1
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2
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyoda Gosei Co., Ltd. | 1858 |
1 |
| Bruckner Maschinenbau GmbH | 74 |
1 |
| Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. | 199 |
1 |
| HELIX GmbH | 7 |
1 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 674 |
1 |
| Toyota Boshoku Kabushiki Kaisha | 1498 |
1 |
| Maxell Holdings, Ltd. | 1259 |
1 |
| Maxell, Ltd. | 3032 |
1 |
| LEGO A/S | 554 |
1 |
| Shibaura Machine Co., Ltd. | 259 |
1 |
| Jhm Engineering and Technology (Ningbo) Co., Ltd | 2 |
1 |
| Other owners | 0 |