- 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 48/51 - Screws with internal flow passages, e.g. for molten material
Patent holdings for IPC class B29C 48/51
Total number of patents in this class: 33
10-year publication summary
|
0
|
3
|
6
|
2
|
1
|
2
|
4
|
1
|
4
|
0
|
| 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 |
13 |
| HSP Technologies Inc. | 21 |
10 |
| Toshiba Kikai Kabushiki Kaisha | 300 |
3 |
| 3m Innovative Properties Company | 18406 |
2 |
| Siemens AG | 24990 |
1 |
| Compagnie générale des établissements Michelin SCA | 2477 |
1 |
| Michelin Recherche et Technique S.A. | 2328 |
1 |
| Myers; Jeffrey A. | 1 |
1 |
| National University Corporation Kanazawa University | 243 |
1 |
| Other owners | 0 |