- 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: 448
10-year publication summary
|
43
|
59
|
43
|
31
|
49
|
40
|
28
|
19
|
9
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Synventive Molding Solutions, Inc. | 189 |
138 |
| INGLASS S.p.A. | 93 |
42 |
| Incoe Corporation | 52 |
22 |
| Husky Injection Molding Systems Ltd. | 1014 |
18 |
| Ewikon Heisskanalsysteme GmbH | 22 |
11 |
| Otto Männer Innovation GmbH | 43 |
10 |
| S.i.p.a. Societa Industrializzazione Progettazione e Automazione S.p.A. | 174 |
9 |
| MHT Mold & Hotrunner Technology AG | 43 |
8 |
| Mold-Masters (2007) Limited | 241 |
7 |
| Otto Männer GmbH | 31 |
7 |
| Canon Inc. | 42224 |
6 |
| Milacron LLC | 86 |
6 |
| Idemitsu Kosan Co., Ltd. | 4225 |
5 |
| Gunther Heisskanaltechnik GmbH | 54 |
5 |
| Runipsys Europe | 17 |
5 |
| Thermoplay S.p.A. | 25 |
5 |
| Yoshino Kogyosho Co., Ltd. | 683 |
5 |
| The Japan Steel Works, Ltd. | 790 |
4 |
| Fostag, Formenbau AG | 31 |
3 |
| Yudo Co., Ltd. | 8 |
3 |
| Other owners | 129 |