- 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 64/286 - Optical filters, e.g. masks
Patent holdings for IPC class B29C 64/286
Total number of patents in this class: 208
10-year publication summary
|
4
|
7
|
16
|
19
|
24
|
44
|
50
|
35
|
29
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nexa3d Inc. | 168 |
15 |
| Lawrence Livermore National Security, LLC | 1882 |
10 |
| Seurat Technologies, Inc. | 147 |
8 |
| Formlabs, Inc. | 204 |
7 |
| Voxeljet AG | 174 |
5 |
| Carbon, Inc. | 386 |
5 |
| VulcanForms Inc. | 111 |
5 |
| UpNano GmbH | 15 |
5 |
| Hewlett-Packard Development Company, L.P. | 27461 |
4 |
| Structo Pte. Ltd. | 41 |
4 |
| Calt Dynamics Ltd | 10 |
4 |
| The Regents of the University of California | 19517 |
3 |
| Board of Regents, The University of Texas System | 5619 |
3 |
| University of Southern California | 2077 |
3 |
| 3D Systems, Inc. | 591 |
3 |
| EOS GmbH Electro Optical Systems | 408 |
3 |
| Planmeca Oy | 295 |
3 |
| Universiteit Van Amsterdam | 100 |
3 |
| Jabil Inc. | 496 |
3 |
| Luxcreo (Beijing) Inc. | 34 |
3 |
| Other owners | 109 |