- 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 48/68 - Barrels or cylinders
Patent holdings for IPC class B29C 48/68
Total number of patents in this class: 135
10-year publication summary
|
3
|
9
|
10
|
16
|
13
|
19
|
13
|
20
|
14
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entek Manufacturing LLC | 17 |
6 |
| The Japan Steel Works, Ltd. | 744 |
6 |
| New WinCup Holdings, Inc. | 59 |
5 |
| Entex Rust & Mitschke GmbH | 35 |
4 |
| AIM3D GmbH | 37 |
4 |
| BASF SE | 20915 |
3 |
| Coperion GmbH | 152 |
3 |
| Toshiba Kikai Kabushiki Kaisha | 285 |
3 |
| Shibaura Machine Co., Ltd. | 223 |
3 |
| Foundation for Research and Business, Seoul National University of Science and Technology | 154 |
2 |
| Gimac di Maccagnan Giorgio | 17 |
2 |
| Gneuss GmbH | 59 |
2 |
| Hans Weber Maschinenfabrik GmbH | 21 |
2 |
| KraussMaffei Technologies GmbH | 342 |
2 |
| Nakata Engineering Co., Ltd. | 24 |
2 |
| Nippon Shokubai Co., Ltd. | 1507 |
2 |
| Poly-wood, LLC | 22 |
2 |
| Teknologian Tutkimuskeskus VTT Oy | 533 |
2 |
| Frazer-Nash Manufacturing Limited | 3 |
2 |
| Bridgestone Europe NV/SA | 317 |
2 |
| Other owners | 76 |