- 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 45/28 - Closure devices therefor
Patent holdings for IPC class B29C 45/28
Total number of patents in this class: 451
10-year publication summary
|
41
|
44
|
61
|
43
|
35
|
55
|
40
|
29
|
19
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Synventive Molding Solutions, Inc. | 184 |
134 |
| INGLASS S.p.A. | 87 |
41 |
| Incoe Corporation | 58 |
22 |
| Husky Injection Molding Systems Ltd. | 1021 |
17 |
| Ewikon Heisskanalsysteme GmbH | 22 |
11 |
| Gunther Heisskanaltechnik GmbH | 59 |
10 |
| Otto Männer Innovation GmbH | 47 |
10 |
| S.i.p.a. Societa Industrializzazione Progettazione e Automazione S.p.A. | 176 |
10 |
| MHT Mold & Hotrunner Technology AG | 49 |
7 |
| Mold-Masters (2007) Limited | 249 |
7 |
| Runipsys Europe | 19 |
7 |
| Otto Männer GmbH | 30 |
7 |
| Canon Inc. | 39005 |
6 |
| Milacron LLC | 103 |
6 |
| Idemitsu Kosan Co., Ltd. | 4129 |
5 |
| Thermoplay S.p.A. | 25 |
5 |
| Yoshino Kogyosho Co., Ltd. | 714 |
5 |
| Barnes Group Inc. | 56 |
3 |
| The Japan Steel Works, Ltd. | 721 |
3 |
| Yudo Co., Ltd. | 8 |
3 |
| Other owners | 132 |