- All sections
- B - Performing operationstransporting
- B29C - Shaping or joining of plasticsshaping of material in a plastic state, not otherwise provided forafter-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: 28
10-year publication summary
|
2
|
0
|
1
|
1
|
5
|
5
|
3
|
6
|
1
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gneuss GmbH | 67 |
4 |
| 3m Innovative Properties Company | 17491 |
2 |
| Covestro Deutschland AG | 2808 |
2 |
| Seiko Epson Corporation | 20081 |
1 |
| Nitto Denko Corporation | 8486 |
1 |
| Dow Global Technologies LLC | 10845 |
1 |
| Compagnie générale des établissements Michelin SCA | 2674 |
1 |
| Michelin Recherche et Technique S.A. | 2103 |
1 |
| battenfeld-cincinnati Germany GmbH | 58 |
1 |
| Colmec S.p.A. | 3 |
1 |
| Enerage Inc. | 17 |
1 |
| Erema Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H. | 200 |
1 |
| The Japan Steel Works, Ltd. | 801 |
1 |
| Kobe Steel, Ltd. | 897 |
1 |
| KraussMaffei Technologies GmbH | 327 |
1 |
| Toshiba Kikai Kabushiki Kaisha | 265 |
1 |
| The University of Akron | 626 |
1 |
| Agc, Inc. | 5383 |
1 |
| Wuyi University | 362 |
1 |
| KraussMaffei Extrusion GmbH | 55 |
1 |
| Other owners | 3 |