- All sections
- B - Performing operationstransporting
- B29K - Indexing scheme associated with subclasses , or , relating to moulding materials or to materials for reinforcements, fillers or preformed parts, e.g. inserts
- B29K 421/00 - Use of unspecified rubbers as filler
Patent holdings for IPC class B29K 421/00
Total number of patents in this class: 13
10-year publication summary
|
2
|
3
|
1
|
0
|
1
|
1
|
0
|
0
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Chemical Corporation | 4608 |
2 |
| Carbon, Inc. | 404 |
2 |
| GM Global Technology Operations LLC | 15421 |
1 |
| Compagnie générale des établissements Michelin SCA | 2607 |
1 |
| Kaneka Corporation | 4608 |
1 |
| Amtek Research International LLC | 60 |
1 |
| Inpress Technologies Inc. | 10 |
1 |
| International Composites Technologies, Inc. | 2 |
1 |
| Signus Ecovalor S.L. | 7 |
1 |
| Torres, Jose Humberto, Jr. | 1 |
1 |
| King Coast Inc | 6 |
1 |
| Other owners | 0 |