- 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 48/57 - Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
Patent holdings for IPC class B29C 48/57
Total number of patents in this class: 98
10-year publication summary
|
9
|
8
|
8
|
4
|
9
|
7
|
10
|
12
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shibaura Machine Co., Ltd. | 259 |
10 |
| HSP Technologies Inc. | 21 |
8 |
| The Japan Steel Works, Ltd. | 826 |
4 |
| Steerlife India Private Limited | 24 |
4 |
| Universite Claude Bernard Lyon 1 (ucbl) | 71 |
4 |
| Universite Jean Monnet Saint Etienne | 181 |
4 |
| Centre National de La Recherche Scientifique (cnrs) | 3015 |
4 |
| Institut National des Sciences Appliquees de Lyon (insa Lyon) | 35 |
4 |
| Totalenergies Onetech | 1535 |
4 |
| Coperion GmbH | 165 |
3 |
| Covestro Deutschland AG | 2833 |
3 |
| Toshiba Kikai Kabushiki Kaisha | 258 |
3 |
| LG Chem, Ltd. | 17921 |
2 |
| Toyota Motor Corporation | 35772 |
2 |
| Mitsubishi Chemical Corporation | 4724 |
2 |
| Entek Manufacturing LLC | 18 |
2 |
| Saperatec GmbH | 21 |
2 |
| Starlinger & Co Gesellschaft m.b.H. | 113 |
2 |
| List Technology AG | 44 |
2 |
| Wenger Manufacturing, LLC | 43 |
2 |
| Other owners | 27 |