- 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 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
36
|
47
|
28
|
26
|
20
|
21
|
13
|
19
|
15
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Boeing Company | 19843 |
23 |
Cambria Company LLC | 284 |
7 |
3m Innovative Properties Company | 18406 |
4 |
Mitsui Chemicals, Inc. | 3134 |
4 |
Bank of Montreal, AS Agent | 53 |
4 |
Gaumard Scientific Company, Inc. | 98 |
4 |
Itoh Optical Industrial Co., Ltd. | 35 |
4 |
Johnson & Johnson Consumer Inc. | 1277 |
4 |
Covidien LP | 10647 |
3 |
BASF SE | 19740 |
3 |
Bridgestone Corporation | 7067 |
3 |
Hopnic Laboratory Co., Ltd. | 22 |
3 |
University of Pittsburgh - Of the Commonwealth System of Higher Education | 2912 |
3 |
Yoshino Kogyosho Co., Ltd. | 737 |
3 |
Synaptive Medical Inc. | 619 |
3 |
Since 1903, Inc. | 7 |
3 |
Konica Minolta, Inc. | 8349 |
2 |
Konica Minolta Opto, Inc. | 1179 |
2 |
Dow Global Technologies LLC | 10147 |
2 |
President and Fellows of Harvard College | 5792 |
2 |
Other owners | 185 |