- 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 48/13 - Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
Patent holdings for IPC class B29C 48/13
Total number of patents in this class: 110
10-year publication summary
|
3
|
1
|
12
|
14
|
18
|
23
|
21
|
7
|
8
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UNICOR GmbH | 41 |
8 |
| ABL IP Holding LLC | 1929 |
5 |
| Delfingen FR - Anteuil S.A. | 20 |
4 |
| Frankische Industrial Pipes GmbH & Co. KG | 48 |
4 |
| Guill Tool & Engineering Co., Inc. | 43 |
4 |
| Advanced Drainage Systems, Inc. | 304 |
3 |
| Fisher & Paykel Healthcare Limited | 2218 |
3 |
| Hegler, Ralph Peter | 7 |
3 |
| LEONI Kabel GmbH | 264 |
3 |
| Lupke, Manfred A. A. | 15 |
3 |
| Lupke, Stefan A. | 17 |
3 |
| Sekisui Chemical Co., Ltd. | 3159 |
3 |
| UNICOR GmbH | 3 |
3 |
| Reliefed AB | 25 |
3 |
| Schlumberger Canada Limited | 6913 |
2 |
| S. C. Johnson & Son, Inc. | 2869 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| Asahi Rubber Inc. | 54 |
2 |
| Brugg Rohr AG Holding | 37 |
2 |
| Lacks Enterprises, Inc. | 77 |
2 |
| Other owners | 46 |