- 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: 268
10-year publication summary
|
4
|
18
|
37
|
37
|
47
|
31
|
31
|
24
|
26
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17770 |
16 |
| The Japan Steel Works, Ltd. | 747 |
12 |
| Zeon Corporation | 4113 |
8 |
| Nordson Corporation | 1205 |
7 |
| Toyobo Co., Ltd. | 2534 |
7 |
| Agc, Inc. | 4944 |
7 |
| Continuous Composites Inc. | 202 |
7 |
| The Goodyear Tire & Rubber Company | 2468 |
6 |
| Compagnie générale des établissements Michelin SCA | 2584 |
6 |
| Kaneka Corporation | 4610 |
6 |
| Colines S.p.A. | 83 |
5 |
| Kuraray Co., Ltd. | 3522 |
5 |
| Mitsubishi Gas Chemical Company, Inc. | 3485 |
5 |
| Compagnie Generale des Etablissements Michelin | 4766 |
5 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 176 |
4 |
| Giesecke+Devrient Mobile Security GmbH | 496 |
4 |
| Continental Reifen Deutschland GmbH | 2460 |
3 |
| Toray Industries, Inc. | 7002 |
3 |
| Denka Company Limited | 2630 |
3 |
| MGC Filsheet Co., Ltd. | 156 |
3 |
| Other owners | 146 |