- 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 7/40 - Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
Patent holdings for IPC class B29B 7/40
Total number of patents in this class: 116
10-year publication summary
|
14
|
10
|
14
|
19
|
11
|
7
|
6
|
6
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Henkel AG & Co. KGaA | 10129 |
12 |
| Coperion GmbH | 131 |
5 |
| Sonderhoff Engineering GmbH | 12 |
5 |
| Next Generation Recyclingmaschinen GmbH | 26 |
4 |
| Compagnie générale des établissements Michelin SCA | 2477 |
3 |
| Bystronic Lenhardt GmbH | 23 |
3 |
| Covestro Deutschland AG | 2429 |
3 |
| Eurocell Profiles, Ltd. | 9 |
3 |
| Tessenderlo Chemie N.V./S.A. | 3 |
3 |
| Schlumberger Technology Corporation | 9690 |
2 |
| Accelergy Shanghai R & D Center Co., Ltd. | 43 |
2 |
| Ampacet Corp. | 39 |
2 |
| HOMAG Holzbearbeitungssysteme GmbH | 21 |
2 |
| KraussMaffei Technologies GmbH | 354 |
2 |
| NOVA Chemicals (International) S.A. | 717 |
2 |
| UPM-Kymmene Corporation | 868 |
2 |
| List Technology AG | 42 |
2 |
| INVISTA Textiles (U.K.) Limited | 253 |
2 |
| Radical Plastics Inc. | 13 |
2 |
| INV Nylon Chemicals Americas, LLC | 182 |
2 |
| Other owners | 53 |