- All sections
- B - Performing operations; transporting
- B29C - Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-treatment of the shaped products, e.g. repairing
- B29C 47/50 - using at least two screws, one after the other, e.g. multi-stage plasticisers
Patent holdings for IPC class B29C 47/50
Total number of patents in this class: 58
10-year publication summary
|
7
|
7
|
2
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aladdin Manufacturing Corporation | 209 |
9 |
| U.S. Bank National Association | 735 |
5 |
| Entex Rust & Mitschke GmbH | 35 |
3 |
| Univation Technologies, LLC | 663 |
3 |
| Michelin Recherche et Technique S.A. | 2238 |
2 |
| Henkel AG & Co. KGaA | 10343 |
2 |
| The Bonnot Company | 4 |
2 |
| King Abdulaziz City for Science and Technology | 142 |
2 |
| Novo-Tech GmbH & Co. KG | 28 |
2 |
| Evonik Röhm GmbH | 451 |
1 |
| Compagnie générale des établissements Michelin SCA | 2512 |
1 |
| Arlanxeo Deutschland GmbH | 297 |
1 |
| Asahi Fiber Glass Company, Limited | 51 |
1 |
| Coperion GmbH | 146 |
1 |
| Covestro Deutschland AG | 2685 |
1 |
| Gneuss GmbH | 56 |
1 |
| Intertape Polymer Corp. | 194 |
1 |
| Inxel Trademark & Patents Sagl | 7 |
1 |
| KraussMaffei Technologies GmbH | 346 |
1 |
| Lanxess International SA | 20 |
1 |
| Other owners | 17 |