- 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: 269
10-year publication summary
|
43
|
29
|
25
|
15
|
17
|
17
|
28
|
18
|
17
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purdue Pharmaceuticals L.P. | 47 |
20 |
| Coperion GmbH | 161 |
9 |
| Aladdin Manufacturing Corporation | 235 |
6 |
| Purdue Pharma L.P. | 495 |
6 |
| Compagnie Generale des Etablissements Michelin | 4855 |
6 |
| BASF SE | 21151 |
5 |
| Dow Global Technologies LLC | 10720 |
5 |
| Bright Lite Structures LLC | 20 |
5 |
| Vervant Limited | 5 |
4 |
| PEGASO INDUSTRIES S.p.A. | 50 |
4 |
| Continental Reifen Deutschland GmbH | 2467 |
3 |
| Michelin Recherche et Technique S.A. | 2128 |
3 |
| Basell Polyolefine GmbH | 537 |
3 |
| Buss AG | 49 |
3 |
| Covestro Deutschland AG | 2797 |
3 |
| Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. | 200 |
3 |
| INVISTA Technologies S.a.r.l. | 403 |
3 |
| SABIC Global Technologies B.V. | 4466 |
3 |
| Specialty Earth Sciences, LLC | 15 |
3 |
| Technip Zimmer GmbH | 15 |
3 |
| Other owners | 169 |