- 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 48/305 - 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: 290
10-year publication summary
|
18
|
37
|
39
|
47
|
33
|
33
|
27
|
30
|
19
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17488 |
16 |
| The Japan Steel Works, Ltd. | 818 |
13 |
| Kuraray Co., Ltd. | 3589 |
9 |
| Nordson Corporation | 1200 |
8 |
| Zeon Corporation | 4145 |
8 |
| The Goodyear Tire & Rubber Company | 2394 |
7 |
| Toyobo Co., Ltd. | 2536 |
7 |
| Agc, Inc. | 5502 |
7 |
| Continuous Composites Inc. | 205 |
7 |
| Compagnie générale des établissements Michelin SCA | 2715 |
6 |
| Kaneka Corporation | 4693 |
6 |
| Denka Company Limited | 2712 |
6 |
| Colines S.p.A. | 86 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3619 |
5 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 185 |
5 |
| Compagnie Generale des Etablissements Michelin | 4969 |
5 |
| JFE Steel Corporation | 7508 |
4 |
| Teufelberger Gesellschaft m.b.H. | 46 |
4 |
| Giesecke+Devrient Mobile Security GmbH | 481 |
4 |
| Continental Reifen Deutschland GmbH | 2537 |
3 |
| Other owners | 155 |