- All sections
- B - Performing operations; transporting
- B29C - Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-treatment of the shaped products, e.g. repairing
- B29C 48/691 - Arrangements for replacing filters, e.g. with two parallel filters for alternate use
Patent holdings for IPC class B29C 48/691
Total number of patents in this class: 28
10-year publication summary
|
1
|
0
|
2
|
2
|
6
|
3
|
6
|
2
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nordson Corporation | 1246 |
6 |
| Gneuss GmbH | 54 |
5 |
| Next Generation Analytics GmbH | 52 |
3 |
| Psi-polymer Systems, Inc. | 7 |
3 |
| Westlake Longview Corporation | 78 |
3 |
| Maag Germany GmbH | 27 |
2 |
| ExxonMobil Chemical Patents Inc. | 4286 |
1 |
| Aurotec GmbH | 45 |
1 |
| Coperion GmbH | 131 |
1 |
| C M Produzione S.r.l. | 2 |
1 |
| Esenttia S.A. | 19 |
1 |
| Zhe Jiang Houpu Technology Co., Ltd. | 2 |
1 |
| Other owners | 0 |