- 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 48/32 - 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: 178
10-year publication summary
|
3
|
3
|
15
|
18
|
14
|
27
|
32
|
24
|
19
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
7 |
| Windmoeller & Hoelscher KG | 166 |
7 |
| 3m Innovative Properties Company | 18406 |
5 |
| Celgard, LLC | 273 |
5 |
| Windmöller & Hölscher KG | 402 |
5 |
| Kyoraku Co., Ltd. | 485 |
4 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 529 |
4 |
| Shaw & Sons, Inc. | 36 |
4 |
| Ricoh Company, Ltd. | 13266 |
3 |
| Daikin Industries, Ltd. | 9495 |
3 |
| Hummingbird Nano, Inc. | 8 |
3 |
| Continuous Composites Inc. | 201 |
3 |
| Hitachi Metals, Ltd. | 2175 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| Kaneka Corporation | 4445 |
2 |
| Advanced Drainage Systems, Inc. | 304 |
2 |
| battenfeld-cincinnati Germany GmbH | 53 |
2 |
| BBS Corporation | 17 |
2 |
| Bostik, Inc. | 221 |
2 |
| Other owners | 109 |