- 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 7/48 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
Patent holdings for IPC class B29B 7/48
Total number of patents in this class: 547
10-year publication summary
|
33
|
55
|
43
|
54
|
32
|
41
|
29
|
46
|
47
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Japan Steel Works, Ltd. | 743 |
25 |
| Coperion GmbH | 151 |
19 |
| Shibaura Machine Co., Ltd. | 223 |
17 |
| Covestro Deutschland AG | 2760 |
14 |
| HSP Technologies Inc. | 21 |
12 |
| Steer Engineering Private Limited | 26 |
11 |
| Tesa SE | 1064 |
11 |
| Compagnie Generale des Etablissements Michelin | 4746 |
11 |
| Dow Global Technologies LLC | 10360 |
9 |
| Entex Rust & Mitschke GmbH | 35 |
9 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2869 |
9 |
| Toshiba Kikai Kabushiki Kaisha | 285 |
9 |
| Sumitomo Chemical Company, Limited | 9043 |
8 |
| Gneuss GmbH | 59 |
8 |
| Bayer MaterialScience AG | 799 |
7 |
| Toray Industries, Inc. | 6950 |
7 |
| Pirelli Tyre S.p.A. | 1913 |
7 |
| United States Gypsum Company | 913 |
7 |
| Holcim Technology Ltd. | 998 |
6 |
| Kobe Steel, Ltd. | 876 |
6 |
| Other owners | 335 |