- 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 44/20 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of indefinite length
Patent holdings for IPC class B29C 44/20
Total number of patents in this class: 97
10-year publication summary
|
4
|
5
|
11
|
9
|
7
|
12
|
4
|
8
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3662 |
4 |
| Toray Plastics (America), Inc. | 197 |
3 |
| Dart Container Corporation | 172 |
3 |
| 3m Innovative Properties Company | 17488 |
2 |
| Dow Global Technologies LLC | 10930 |
2 |
| JSR Corporation | 2555 |
2 |
| Eastman Chemical Company | 2081 |
2 |
| Poly-wood, LLC | 22 |
2 |
| Sekisui Plastics Co., Ltd. | 323 |
2 |
| Stepan Company | 566 |
2 |
| The University of British Columbia | 1537 |
2 |
| Xflam Pty Ltd | 7 |
2 |
| Alessiohitech S.r.l. | 4 |
2 |
| Zhejiang Runyang New Materials Technology Co.,Ltd. | 5 |
2 |
| Wuxi Boyu Plastic Machinery Co., Ltd. | 16 |
2 |
| DDP Specialty Electronic Materials US, LLC | 850 |
2 |
| Sekisui Kasei Co., Ltd. | 134 |
2 |
| Yinka Dene Economic Development Limited Partnership | 3 |
2 |
| BASF SE | 21303 |
1 |
| Kimberly-clark Worldwide, Inc. | 5301 |
1 |
| Other owners | 55 |