- 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 48/56 - Screws having grooves or cavities other than the thread or the channel
Patent holdings for IPC class B29C 48/56
Total number of patents in this class: 21
10-year publication summary
|
1
|
2
|
2
|
6
|
6
|
1
|
0
|
1
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rutgers, The State University of New Jersey | 1981 |
4 |
| Davis-Standard, LLC | 103 |
3 |
| Trelleborg Sealing Solutions Germany GmbH | 187 |
2 |
| 3m Innovative Properties Company | 17458 |
1 |
| Siemens AG | 23996 |
1 |
| Dow Global Technologies LLC | 10994 |
1 |
| China Tobacco Hunan Industrial Co., Ltd. | 257 |
1 |
| Coperion GmbH | 165 |
1 |
| Covestro Deutschland AG | 2844 |
1 |
| The Japan Steel Works, Ltd. | 858 |
1 |
| KraussMaffei Technologies GmbH | 336 |
1 |
| Leistritz Extrusionstechnik GmbH | 21 |
1 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 185 |
1 |
| VMI Holland B.V. | 445 |
1 |
| Dray, Laura, Ms. | 3 |
1 |
| Other owners | 0 |