- 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 55/28 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
Patent holdings for IPC class B29C 55/28
Total number of patents in this class: 259
10-year publication summary
|
27
|
26
|
22
|
24
|
22
|
19
|
21
|
19
|
15
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Windmöller & Hölscher KG | 402 |
24 |
| Windmoeller & Hoelscher KG | 166 |
13 |
| Addex, Inc. | 32 |
12 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 168 |
10 |
| ExxonMobil Chemical Patents Inc. | 4286 |
8 |
| Dow Global Technologies LLC | 10147 |
6 |
| Idemitsu Unitech Co., Ltd. | 199 |
6 |
| Syncro S.r.l. | 20 |
6 |
| Guangdong Jinming Machinery Co., Ltd. | 11 |
5 |
| Asahi Kasei Chemicals Corporation | 809 |
4 |
| Borealis AG | 2558 |
4 |
| Hosokawa Alpine Aktiengesellschaft | 71 |
4 |
| Milliken & Company | 1253 |
4 |
| NOVA Chemicals (International) S.A. | 717 |
4 |
| THK Co., Ltd. | 1206 |
4 |
| The Supreme Industries Limited | 13 |
4 |
| BASF SE | 19740 |
3 |
| The Yokohama Rubber Co., Ltd. | 3929 |
3 |
| ALCAN Technology & Management Ltd. | 68 |
3 |
| Doteco S.p.A. | 7 |
3 |
| Other owners | 129 |