- 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 7/84 - Venting or degassing
Patent holdings for IPC class B29B 7/84
Total number of patents in this class: 227
10-year publication summary
11
|
21
|
23
|
18
|
24
|
19
|
18
|
17
|
15
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
HSP Technologies Inc. | 21 |
11 |
The Japan Steel Works, Ltd. | 597 |
11 |
Arlanxeo Deutschland GmbH | 302 |
9 |
Shibaura Machine Co., Ltd. | 184 |
9 |
Gneuss GmbH | 54 |
8 |
Tesa SE | 1011 |
7 |
INEOS Styrolution Group GmbH | 325 |
6 |
Sumitomo Chemical Company, Limited | 8808 |
5 |
Toshiba Kikai Kabushiki Kaisha | 300 |
5 |
Coperion GmbH | 131 |
4 |
Encore Medical, L.P. (d/b/a/ DJO Surgical) | 74 |
4 |
Next Generation Recyclingmaschinen GmbH | 26 |
4 |
Starlinger & Co Gesellschaft m.b.H. | 102 |
4 |
3m Innovative Properties Company | 18406 |
3 |
Dow Global Technologies LLC | 10147 |
3 |
Brückner Maschinenbau GmbH & Co. KG | 37 |
3 |
Buss AG | 49 |
3 |
List Holding AG | 42 |
3 |
Technip Zimmer GmbH | 15 |
3 |
Zeon Corporation | 3854 |
3 |
Other owners | 119 |