- All sections
- B - Performing operationstransporting
- B29B - Preparation or pretreatment of the material to be shapedmaking granules or preformsrecovery of plastics or other constituents of waste material containing plastics
- B29B 7/38 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
Patent holdings for IPC class B29B 7/38
Total number of patents in this class: 137
10-year publication summary
|
11
|
4
|
7
|
6
|
2
|
2
|
7
|
24
|
11
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Kikai Kabushiki Kaisha | 258 |
6 |
| HSP Technologies Inc. | 21 |
5 |
| The Japan Steel Works, Ltd. | 826 |
5 |
| LG Chem, Ltd. | 17921 |
4 |
| Basell Polyolefine GmbH | 516 |
4 |
| Shibaura Machine Co., Ltd. | 259 |
4 |
| Dow Global Technologies LLC | 10944 |
3 |
| Arkema France | 4242 |
3 |
| Seiko Epson Corporation | 20256 |
2 |
| Hitachi Maxell, Ltd. | 420 |
2 |
| Sumitomo Chemical Company, Limited | 9016 |
2 |
| Toray Industries, Inc. | 7113 |
2 |
| Mitsui Chemicals, Inc. | 3246 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
2 |
| Koppers Performance Chemicals Inc. | 123 |
2 |
| Nora Systems GmbH | 139 |
2 |
| Polyplastics Co., Ltd. | 617 |
2 |
| SABIC Global Technologies B.V. | 4597 |
2 |
| Vaproshield, LLC | 26 |
2 |
| Other owners | 79 |