- 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 7/02 - Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
Patent holdings for IPC class B29B 7/02
Total number of patents in this class: 43
10-year publication summary
|
2
|
4
|
9
|
6
|
3
|
3
|
7
|
3
|
3
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purdue Pharmaceuticals L.P. | 47 |
11 |
| Purdue Pharma L.P. | 519 |
4 |
| The Furukawa Electric Co., Ltd. | 3486 |
2 |
| Shofu, Inc. | 190 |
2 |
| Stora Enso Oyj | 1504 |
2 |
| The Procter & Gamble Company | 22178 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4421 |
1 |
| Mitsubishi Chemical Corporation | 4313 |
1 |
| Northwestern University | 3112 |
1 |
| Bullsone Co., Ltd. | 33 |
1 |
| DIC Corporation | 3597 |
1 |
| Eve Rubber Institute Co., Ltd. | 28 |
1 |
| Fuzhou University | 262 |
1 |
| IKA Innovative Kunststoffaufbereitung GmbH & Co. KG | 15 |
1 |
| Imgen Co., Ltd. | 6 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
| Nihon Yamamura Glass Co., Ltd. | 144 |
1 |
| RIMTEC Corporation | 61 |
1 |
| Tesa AG | 82 |
1 |
| UPM-Kymmene Corporation | 868 |
1 |
| Other owners | 7 |