- All sections
- B - Performing operations; transporting
- B29C - Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-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: 74
10-year publication summary
0
|
2
|
9
|
8
|
8
|
4
|
9
|
7
|
10
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Shibaura Machine Co., Ltd. | 184 |
10 |
HSP Technologies Inc. | 21 |
8 |
Steerlife India Private Limited | 29 |
4 |
Coperion GmbH | 131 |
3 |
Toshiba Kikai Kabushiki Kaisha | 300 |
3 |
LG Chem, Ltd. | 17205 |
2 |
Toyota Motor Corporation | 28582 |
2 |
Mitsubishi Chemical Corporation | 4313 |
2 |
Covestro Deutschland AG | 2429 |
2 |
Entek Manufacturing LLC | 15 |
2 |
The Japan Steel Works, Ltd. | 597 |
2 |
Starlinger & Co Gesellschaft m.b.H. | 102 |
2 |
Universite Claude Bernard Lyon 1 (ucbl) | 37 |
2 |
Universite Jean Monnet Saint Etienne | 139 |
2 |
Centre National de La Recherche Scientifique (cnrs) | 3191 |
2 |
Institut National des Sciences Appliquees de Lyon (insa Lyon) | 10 |
2 |
Totalenergies Onetech | 536 |
2 |
Wenger Manufacturing, LLC | 41 |
2 |
Intel Corporation | 45621 |
1 |
ExxonMobil Chemical Patents Inc. | 4286 |
1 |
Other owners | 18 |