- 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: 152
10-year publication summary
|
9
|
10
|
16
|
14
|
19
|
13
|
20
|
15
|
21
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Japan Steel Works, Ltd. | 826 |
7 |
| Entek Manufacturing LLC | 18 |
6 |
| New WinCup Holdings, Inc. | 63 |
5 |
| Xaloy, LLC | 22 |
5 |
| Entex Rust & Mitschke GmbH | 35 |
4 |
| AIM3D GmbH | 37 |
4 |
| BASF SE | 21303 |
3 |
| Coperion GmbH | 165 |
3 |
| Gimac di Maccagnan Giorgio | 18 |
3 |
| Gneuss GmbH | 67 |
3 |
| Toshiba Kikai Kabushiki Kaisha | 258 |
3 |
| Shibaura Machine Co., Ltd. | 259 |
3 |
| Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. | 199 |
2 |
| Foundation for Research and Business, Seoul National University of Science and Technology | 194 |
2 |
| Hans Weber Maschinenfabrik GmbH | 21 |
2 |
| KraussMaffei Technologies GmbH | 327 |
2 |
| Nakata Engineering Co., Ltd. | 25 |
2 |
| Nippon Shokubai Co., Ltd. | 1538 |
2 |
| Poly-wood, LLC | 22 |
2 |
| Teknologian Tutkimuskeskus VTT Oy | 588 |
2 |
| Other owners | 87 |