- 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: 273
10-year publication summary
|
47
|
28
|
26
|
20
|
21
|
13
|
19
|
15
|
11
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19915 |
23 |
| Cambria Company LLC | 296 |
8 |
| 3m Innovative Properties Company | 17969 |
4 |
| Mitsui Chemicals, Inc. | 3189 |
4 |
| Bank of Montreal, AS Agent | 53 |
4 |
| Gaumard Scientific Company, Inc. | 101 |
4 |
| Itoh Optical Industrial Co., Ltd. | 35 |
4 |
| Cast Stonescapes, LLC | 6 |
4 |
| Covidien LP | 10649 |
3 |
| BASF SE | 20421 |
3 |
| Bridgestone Corporation | 7156 |
3 |
| Hopnic Laboratory Co., Ltd. | 22 |
3 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3052 |
3 |
| Synaptive Medical Inc. | 621 |
3 |
| Konica Minolta, Inc. | 8552 |
2 |
| Konica Minolta Opto, Inc. | 1131 |
2 |
| Dow Global Technologies LLC | 10167 |
2 |
| President and Fellows of Harvard College | 5912 |
2 |
| Georgia Tech Research Corporation | 2617 |
2 |
| Alps South, LLC | 44 |
2 |
| Other owners | 188 |