- 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 48/685 - Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
Patent holdings for IPC class B29C 48/685
Total number of patents in this class: 51
10-year publication summary
|
2
|
2
|
4
|
6
|
7
|
6
|
5
|
10
|
7
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Buss AG | 49 |
7 |
| The Japan Steel Works, Ltd. | 747 |
6 |
| Entex Rust & Mitschke GmbH | 35 |
4 |
| Nakata Engineering Co., Ltd. | 24 |
4 |
| Nippon Shokubai Co., Ltd. | 1498 |
3 |
| BASF SE | 21036 |
2 |
| Hitachi Metals, Ltd. | 1969 |
2 |
| Sumitomo Heavy Industries Modern, Ltd. | 15 |
2 |
| Zephyros, Inc. | 657 |
2 |
| Tre Tau Engineering S.r.l. | 23 |
2 |
| The Goodyear Tire & Rubber Company | 2466 |
1 |
| Dow Global Technologies LLC | 10459 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4675 |
1 |
| battenfeld-cincinnati Germany GmbH | 55 |
1 |
| Coperion GmbH | 152 |
1 |
| Costruzioni Meccaniche Luigi Bandera S.p.A. | 62 |
1 |
| Covestro Deutschland AG | 2774 |
1 |
| E3D-Online Limited | 44 |
1 |
| Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. | 191 |
1 |
| Hans Weber Maschinenfabrik GmbH | 21 |
1 |
| Other owners | 7 |