- 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 48/535 - Screws with thread pitch varying along the longitudinal axis
Patent holdings for IPC class B29C 48/535
Total number of patents in this class: 28
10-year publication summary
|
0
|
2
|
2
|
1
|
5
|
4
|
5
|
6
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Davis-Standard, LLC | 98 |
4 |
| Holcim Technology Ltd. | 868 |
3 |
| BASF SE | 19740 |
2 |
| F.a.p. S.r.l. | 5 |
2 |
| HSP Technologies Inc. | 21 |
2 |
| Shibaura Machine Co., Ltd. | 184 |
2 |
| Wenger Manufacturing, LLC | 41 |
2 |
| 3m Innovative Properties Company | 18406 |
1 |
| Costruzioni Meccaniche Luigi Bandera S.p.A. | 63 |
1 |
| The Japan Steel Works, Ltd. | 597 |
1 |
| Pirelli Tyre S.p.A. | 1832 |
1 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 168 |
1 |
| SKZ - KFE gGmbH | 11 |
1 |
| Guangdong Industry Polytechnic | 21 |
1 |
| Wuyi University | 307 |
1 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
1 |
| Soapworks Limited | 2 |
1 |
| Wuhan Ymt Molding Co., Ltd. | 1 |
1 |
| Other owners | 0 |