- 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 7/56 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders with co-operating rollers
Patent holdings for IPC class B29B 7/56
Total number of patents in this class: 42
10-year publication summary
|
2
|
6
|
9
|
4
|
1
|
3
|
0
|
3
|
1
|
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 | 4625 |
14 |
| Compagnie générale des établissements Michelin SCA | 2524 |
9 |
| Cabot Corporation | 549 |
4 |
| Michelin Recherche et Technique S.A. | 2235 |
2 |
| Armstrong World Industries, Inc. | 348 |
2 |
| Hitachi Astemo, Ltd. | 6113 |
2 |
| Konica Minolta, Inc. | 8552 |
1 |
| Sumitomo Rubber Industries, Ltd. | 4407 |
1 |
| Bruckner Maschinenbau GmbH | 57 |
1 |
| Carl Freudenberg KG | 1356 |
1 |
| Shanghai Kumhosunny Plastics Co., Ltd | 27 |
1 |
| Sika Technology AG | 2861 |
1 |
| Storopack Hans Reichenecker GmbH | 129 |
1 |
| Henan New Aika Rubber Industry Co., Ltd | 6 |
1 |
| Lescuyer et Villeneuve | 1 |
1 |
| Other owners | 0 |