- All sections
- B - Performing operations; transporting
- B29B - Preparation or pretreatment of the material to be shaped; making granules or preforms; recovery of plastics or other constituents of waste material containing plastics
- B29B 7/38 - Mixing; Kneading 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: 108
10-year publication summary
|
18
|
14
|
11
|
4
|
7
|
6
|
3
|
1
|
7
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Kikai Kabushiki Kaisha | 300 |
6 |
| HSP Technologies Inc. | 21 |
5 |
| Basell Polyolefine GmbH | 575 |
4 |
| Dow Global Technologies LLC | 10147 |
3 |
| Hitachi Maxell, Ltd. | 451 |
2 |
| Sumitomo Chemical Company, Limited | 8808 |
2 |
| Toray Industries, Inc. | 6652 |
2 |
| Mitsui Chemicals, Inc. | 3134 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
2 |
| Arkema France | 3790 |
2 |
| Bussan Nanotech Research Institute, Inc. | 41 |
2 |
| The Japan Steel Works, Ltd. | 597 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
| Nora Systems GmbH | 146 |
2 |
| Omya International AG | 816 |
2 |
| Polyplastics Co., Ltd. | 563 |
2 |
| 3DFortify, Inc. | 22 |
2 |
| Shibaura Machine Co., Ltd. | 184 |
2 |
| 3m Innovative Properties Company | 18406 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Other owners | 60 |