- 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 45/52 - Non-return devices
Patent holdings for IPC class B29C 45/52
Total number of patents in this class: 44
10-year publication summary
3
|
3
|
2
|
2
|
4
|
1
|
3
|
0
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Husky Injection Molding Systems Ltd. | 1060 |
6 |
KraussMaffei Technologies GmbH | 354 |
5 |
The Japan Steel Works, Ltd. | 597 |
4 |
Nissei Plastic Industrial Co., Ltd. | 127 |
4 |
Maxell, Ltd. | 2533 |
4 |
iMFLUX Inc | 231 |
3 |
Maxell Holdings, Ltd. | 1422 |
3 |
Sumitomo Heavy Industries, Ltd. | 1670 |
2 |
Hitachi Maxell, Ltd. | 451 |
1 |
Demag Ergotech GmbH | 15 |
1 |
Dr. Boy GmbH & Co. KG | 5 |
1 |
Fanuc Ltd | 256 |
1 |
Krauss-Maffei Kunststofftechnik GmbH | 23 |
1 |
Md PLASTICS INCORPORATED | 3 |
1 |
Sodick Co., Ltd. | 301 |
1 |
Spiral Logic Limited | 8 |
1 |
Spiral Logic Limited | 2 |
1 |
Toyo Machinery & Metal Co., Ltd. | 100 |
1 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
1 |
Micro-ams Inc. | 10 |
1 |
Other owners | 1 |