- 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 7/44 - Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with paddles or arms
Patent holdings for IPC class B29B 7/44
Total number of patents in this class: 23
10-year publication summary
|
3
|
4
|
2
|
2
|
1
|
2
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Braskem America, Inc. | 177 |
2 |
| Kikusui Seisakusho Ltd. | 43 |
2 |
| List Holding AG | 42 |
2 |
| UPM-Kymmene Corporation | 868 |
2 |
| List Technology AG | 42 |
2 |
| ExxonMobil Chemical Patents Inc. | 4286 |
1 |
| Mitsui Chemicals, Inc. | 3134 |
1 |
| Armstrong World Industries, Inc. | 347 |
1 |
| Buhler AG | 531 |
1 |
| Buss AG | 49 |
1 |
| ColorMatrix Group, Inc. | 1 |
1 |
| Plastinum Corp. | 1 |
1 |
| Reduction Engineering, Inc. | 11 |
1 |
| South China University of Technology | 1581 |
1 |
| United States Gypsum Company | 1019 |
1 |
| Kolon Dacc Composite Co., Ltd | 7 |
1 |
| Siiico Technology Co., Ltd. | 4 |
1 |
| Lico SpA | 2 |
1 |
| Other owners | 0 |