- 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 48/31 - Extrusion nozzles or dies having a wide opening, e.g. for forming sheets adjustable
Patent holdings for IPC class B29C 48/31
Total number of patents in this class: 85
10-year publication summary
|
3
|
3
|
2
|
8
|
19
|
14
|
10
|
22
|
8
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Windmöller & Hölscher KG | 402 |
11 |
| Nordson Corporation | 1246 |
10 |
| Windmoeller & Hoelscher KG | 166 |
8 |
| The Japan Steel Works, Ltd. | 597 |
7 |
| 3m Innovative Properties Company | 18406 |
6 |
| Kyoraku Co., Ltd. | 485 |
4 |
| The Yokohama Rubber Co., Ltd. | 3929 |
3 |
| Giesecke+Devrient Mobile Security GmbH | 586 |
3 |
| The Boeing Company | 19843 |
2 |
| Davis-Standard, LLC | 98 |
2 |
| Electronic Systems S.p.A. | 15 |
2 |
| Keiryo Packaging SA | 11 |
2 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 168 |
2 |
| Shibaura Machine Co., Ltd. | 184 |
2 |
| Lohia Mechatronik Private Limited | 4 |
2 |
| Ricoh Company, Ltd. | 13266 |
1 |
| NGK Insulators, Ltd. | 4589 |
1 |
| Allied Dies, Inc. | 12 |
1 |
| Bostik SA | 602 |
1 |
| Cloeren Incorporated | 5 |
1 |
| Other owners | 14 |