- 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 7/88 - Adding charges
Patent holdings for IPC class B29B 7/88
Total number of patents in this class: 264
10-year publication summary
|
15
|
43
|
29
|
25
|
15
|
17
|
17
|
28
|
18
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purdue Pharmaceuticals L.P. | 46 |
19 |
| Coperion GmbH | 152 |
9 |
| Aladdin Manufacturing Corporation | 225 |
6 |
| Compagnie Generale des Etablissements Michelin | 4766 |
6 |
| BASF SE | 21017 |
5 |
| Dow Global Technologies LLC | 10437 |
5 |
| Purdue Pharma L.P. | 502 |
5 |
| Bright Lite Structures LLC | 20 |
5 |
| Vervant Limited | 5 |
4 |
| PEGASO INDUSTRIES S.p.A. | 51 |
4 |
| Continental Reifen Deutschland GmbH | 2459 |
3 |
| Michelin Recherche et Technique S.A. | 2160 |
3 |
| Basell Polyolefine GmbH | 550 |
3 |
| Buss AG | 49 |
3 |
| Covestro Deutschland AG | 2772 |
3 |
| Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. | 190 |
3 |
| INVISTA Technologies S.a.r.l. | 414 |
3 |
| Pelican International Inc. | 35 |
3 |
| SABIC Global Technologies B.V. | 4370 |
3 |
| Specialty Earth Sciences, LLC | 16 |
3 |
| Other owners | 166 |