- 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 7/18 - Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
Patent holdings for IPC class B29B 7/18
Total number of patents in this class: 156
10-year publication summary
|
16
|
15
|
12
|
13
|
6
|
14
|
18
|
9
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Compagnie Generale des Etablissements Michelin | 4620 |
23 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2906 |
14 |
| Compagnie générale des établissements Michelin SCA | 2516 |
13 |
| Pirelli Tyre S.p.A. | 1870 |
9 |
| Continental Reifen Deutschland GmbH | 2421 |
7 |
| Kobe Steel, Ltd. | 863 |
7 |
| Harburg-Freudenberger Maschinenbau GmbH | 186 |
6 |
| Mitsubishi Heavy Industries Machinery Technology Corporation | 65 |
5 |
| Nihon Spindle Manufacturing Co., Ltd | 77 |
5 |
| Suzuka Engineering Co., Ltd. | 10 |
5 |
| The Yokohama Rubber Co., Ltd. | 3962 |
4 |
| Bridgestone Corporation | 7144 |
3 |
| Daikin Industries, Ltd. | 9836 |
3 |
| Sumitomo Rubber Industries, Ltd. | 4406 |
3 |
| Mitsubishi Heavy Industries Machinery Systems, Ltd. | 431 |
3 |
| 3m Innovative Properties Company | 17951 |
2 |
| Toyota Motor Corporation | 30398 |
2 |
| Robert Bosch GmbH | 41765 |
2 |
| Michelin Recherche et Technique S.A. | 2238 |
2 |
| The Furukawa Electric Co., Ltd. | 3599 |
2 |
| Other owners | 36 |