- 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 48/305 - Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
Patent holdings for IPC class B29C 48/305
Total number of patents in this class: 242
10-year publication summary
|
2
|
4
|
18
|
37
|
39
|
46
|
32
|
33
|
23
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
17 |
| Zeon Corporation | 3854 |
8 |
| Continuous Composites Inc. | 201 |
8 |
| Nordson Corporation | 1246 |
7 |
| The Goodyear Tire & Rubber Company | 2569 |
6 |
| Compagnie générale des établissements Michelin SCA | 2477 |
6 |
| Toyobo Co., Ltd. | 2286 |
6 |
| Giesecke+Devrient Mobile Security GmbH | 586 |
6 |
| Agc, Inc. | 4029 |
6 |
| Kuraray Co., Ltd. | 3392 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
5 |
| Compagnie Generale des Etablissements Michelin | 4450 |
5 |
| Colines S.p.A. | 78 |
4 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 168 |
4 |
| Continental Reifen Deutschland GmbH | 2324 |
3 |
| Kaneka Corporation | 4445 |
3 |
| Denka Company Limited | 2189 |
3 |
| The Japan Steel Works, Ltd. | 597 |
3 |
| MGC Filsheet Co., Ltd. | 156 |
3 |
| SABIC Global Technologies B.V. | 4044 |
3 |
| Other owners | 131 |