- 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 48/52 - Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
Patent holdings for IPC class B29C 48/52
Total number of patents in this class: 22
10-year publication summary
|
0
|
2
|
2
|
0
|
1
|
1
|
5
|
5
|
3
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gneuss GmbH | 54 |
4 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
2 |
| 3m Innovative Properties Company | 18406 |
1 |
| Nitto Denko Corporation | 7879 |
1 |
| Dow Global Technologies LLC | 10147 |
1 |
| Compagnie générale des établissements Michelin SCA | 2477 |
1 |
| Michelin Recherche et Technique S.A. | 2328 |
1 |
| battenfeld-cincinnati Germany GmbH | 53 |
1 |
| Colmec S.p.A. | 3 |
1 |
| Covestro Deutschland AG | 2429 |
1 |
| Kobe Steel, Ltd. | 912 |
1 |
| KraussMaffei Technologies GmbH | 354 |
1 |
| Toshiba Kikai Kabushiki Kaisha | 300 |
1 |
| The University of Akron | 674 |
1 |
| Agc, Inc. | 4029 |
1 |
| Wuyi University | 307 |
1 |
| KraussMaffei Extrusion GmbH | 49 |
1 |
| Buwonecovera Co.,Ltd | 1 |
1 |
| Other owners | 0 |