- 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 7/88 - Adding charges
Patent holdings for IPC class B29B 7/88
Total number of patents in this class: 237
10-year publication summary
19
|
15
|
44
|
31
|
26
|
15
|
18
|
18
|
27
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Purdue Pharmaceuticals L.P. | 47 |
14 |
Coperion GmbH | 131 |
7 |
BASF SE | 19740 |
6 |
Compagnie Generale des Etablissements Michelin | 4450 |
6 |
Aladdin Manufacturing Corporation | 194 |
5 |
Bright Lite Structures LLC | 21 |
5 |
Dow Global Technologies LLC | 10147 |
4 |
Purdue Pharma L.P. | 519 |
4 |
Vervant Limited | 5 |
4 |
PEGASO INDUSTRIES S.p.A. | 47 |
4 |
Continental Reifen Deutschland GmbH | 2324 |
3 |
Michelin Recherche et Technique S.A. | 2328 |
3 |
Basell Polyolefine GmbH | 575 |
3 |
Buss AG | 49 |
3 |
INVISTA Technologies S.a.r.l. | 450 |
3 |
SABIC Global Technologies B.V. | 4044 |
3 |
Specialty Earth Sciences, LLC | 17 |
3 |
Technip Zimmer GmbH | 15 |
3 |
Footprint International, LLC | 69 |
3 |
Maxell Holdings, Ltd. | 1422 |
3 |
Other owners | 148 |