- 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 39/12 - Making multilayered or multicoloured articles
Patent holdings for IPC class B29C 39/12
Total number of patents in this class: 271
10-year publication summary
|
28
|
26
|
20
|
22
|
13
|
19
|
14
|
12
|
13
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 20160 |
26 |
| Cambria Company LLC | 351 |
9 |
| Cast Stonescapes, LLC | 7 |
5 |
| 3m Innovative Properties Company | 17478 |
4 |
| Mitsui Chemicals, Inc. | 3246 |
4 |
| Bank of Montreal, AS Agent | 51 |
4 |
| Gaumard Scientific Company, Inc. | 119 |
4 |
| Itoh Optical Industrial Co., Ltd. | 34 |
4 |
| Covidien LP | 10649 |
3 |
| BASF SE | 21303 |
3 |
| Bridgestone Corporation | 7259 |
3 |
| Hopnic Laboratory Co., Ltd. | 23 |
3 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3304 |
3 |
| OneFocus Vision, Inc. | 20 |
3 |
| Kenvue Brands LLC | 1028 |
3 |
| Konica Minolta, Inc. | 9119 |
2 |
| Konica Minolta Opto, Inc. | 908 |
2 |
| Dow Global Technologies LLC | 10944 |
2 |
| Georgia Tech Research Corporation | 2943 |
2 |
| Alps South, LLC | 67 |
2 |
| Other owners | 180 |