- 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: 96
10-year publication summary
|
9
|
8
|
8
|
4
|
9
|
7
|
10
|
12
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shibaura Machine Co., Ltd. | 255 |
10 |
| HSP Technologies Inc. | 21 |
8 |
| The Japan Steel Works, Ltd. | 801 |
4 |
| Steerlife India Private Limited | 24 |
4 |
| Universite Claude Bernard Lyon 1 (ucbl) | 69 |
4 |
| Universite Jean Monnet Saint Etienne | 180 |
4 |
| Centre National de La Recherche Scientifique (cnrs) | 3042 |
4 |
| Institut National des Sciences Appliquees de Lyon (insa Lyon) | 33 |
4 |
| Totalenergies Onetech | 1510 |
4 |
| Coperion GmbH | 166 |
3 |
| Covestro Deutschland AG | 2808 |
3 |
| Toshiba Kikai Kabushiki Kaisha | 265 |
3 |
| LG Chem, Ltd. | 17883 |
2 |
| Toyota Motor Corporation | 34999 |
2 |
| Mitsubishi Chemical Corporation | 4665 |
2 |
| Entek Manufacturing LLC | 17 |
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 | 25 |