- 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 48/32 - Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
Patent holdings for IPC class B29C 48/32
Total number of patents in this class: 206
10-year publication summary
|
3
|
15
|
17
|
14
|
23
|
29
|
25
|
19
|
29
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10372 |
7 |
| Windmoeller & Hoelscher KG | 173 |
7 |
| Celgard, LLC | 319 |
6 |
| New WinCup Holdings, Inc. | 60 |
6 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 564 |
6 |
| 3m Innovative Properties Company | 17752 |
5 |
| Windmöller & Hölscher KG | 383 |
5 |
| Kaneka Corporation | 4600 |
4 |
| Fisher & Paykel Healthcare Limited | 2523 |
4 |
| Kyoraku Co., Ltd. | 509 |
4 |
| Shaw & Sons, Inc. | 39 |
4 |
| Daikin Industries, Ltd. | 10142 |
3 |
| Kuraray Co., Ltd. | 3531 |
3 |
| Sumitomo Heavy Industries, Ltd. | 1965 |
3 |
| Hummingbird Nano, Inc. | 8 |
3 |
| Zeus Co., LLC | 83 |
3 |
| Exelliq Austria GmbH | 15 |
3 |
| Hitachi Metals, Ltd. | 1963 |
2 |
| Ricoh Company, Ltd. | 13363 |
2 |
| Dow Global Technologies LLC | 10509 |
2 |
| Other owners | 124 |