- 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 48/515 - Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
Patent holdings for IPC class B29C 48/515
Total number of patents in this class: 12
10-year publication summary
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0
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2
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0
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1
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2
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1
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0
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2
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HSP Technologies Inc. | 21 |
3 |
| Shibaura Machine Co., Ltd. | 222 |
2 |
| Corning Incorporated | 10252 |
1 |
| Compagnie générale des établissements Michelin SCA | 2567 |
1 |
| Entex Rust & Mitschke GmbH | 35 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2876 |
1 |
| Toshiba Kikai Kabushiki Kaisha | 285 |
1 |
| Randcastle Extrusion Systems, Inc. | 3 |
1 |
| Nantong de New Material Co., Ltd. | 8 |
1 |
| Other owners | 0 |