- 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 47/26 - Multiple annular extrusion nozzles
Patent holdings for IPC class B29C 47/26
Total number of patents in this class: 68
10-year publication summary
|
8
|
6
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guill Tool & Engineering Co., Inc. | 49 |
4 |
| Reifenhauser GmbH & Co. KG Maschinenfabrik | 186 |
4 |
| Saint-Gobain Performance Plastics Corporation | 1050 |
4 |
| Dow Global Technologies LLC | 10944 |
3 |
| 3m Innovative Properties Company | 17478 |
2 |
| ExxonMobil Chemical Patents Inc. | 3776 |
2 |
| Purdue Research Foundation | 3916 |
2 |
| Cryovac, Inc. | 274 |
2 |
| Environmental Dynamics International, Inc. | 23 |
2 |
| Plastika Kritis S.A. | 16 |
2 |
| Taiwan Textile Research Institute | 151 |
2 |
| Windmoeller & Hoelscher KG | 179 |
2 |
| Gyre Innovations LP | 4 |
2 |
| Cryovac, LLC | 341 |
2 |
| BASF SE | 21303 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
1 |
| Abbott Cardiovascular Systems, Inc. | 1017 |
1 |
| Medtronic Vascular, Inc. | 1460 |
1 |
| Boston Scientific Scimed, Inc. | 11151 |
1 |
| Shell Oil Company | 2071 |
1 |
| Other owners | 27 |