- 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 64/286 - Optical filters, e.g. masks
Patent holdings for IPC class B29C 64/286
Total number of patents in this class: 249
10-year publication summary
|
7
|
16
|
19
|
24
|
44
|
51
|
37
|
33
|
20
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stratasys, Inc. | 851 |
16 |
| Lawrence Livermore National Security, LLC | 1973 |
11 |
| Seurat Technologies, Inc. | 175 |
11 |
| Formlabs, Inc. | 219 |
8 |
| UpNano GmbH | 20 |
7 |
| Carbon, Inc. | 415 |
6 |
| VulcanForms Inc. | 118 |
6 |
| General Electric Company | 13899 |
5 |
| University of Southern California | 2132 |
5 |
| Voxeljet AG | 164 |
5 |
| Axtra3d Incorporation | 25 |
5 |
| The Regents of the University of California | 20745 |
4 |
| Board of Regents, The University of Texas System | 6107 |
4 |
| Concept Laser GmbH | 197 |
4 |
| Structo Pte. Ltd. | 33 |
4 |
| Calt Dynamics Ltd | 10 |
4 |
| 3D Systems, Inc. | 584 |
3 |
| EOS GmbH Electro Optical Systems | 430 |
3 |
| Planmeca Oy | 280 |
3 |
| Universiteit Van Amsterdam | 117 |
3 |
| Other owners | 132 |