- 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 44/28 - Expanding the moulding material on continuous moving surfaces
Patent holdings for IPC class B29C 44/28
Total number of patents in this class: 36
10-year publication summary
|
3
|
1
|
2
|
3
|
3
|
3
|
5
|
6
|
9
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22178 |
7 |
| Evonik Operations GmbH | 3879 |
5 |
| Dow Global Technologies LLC | 10147 |
4 |
| 3m Innovative Properties Company | 18406 |
2 |
| Asahi Kasei Construction Materials Corporation | 59 |
2 |
| Heraeus Noblelight Ltd. | 7 |
2 |
| Stepan Company | 567 |
2 |
| BASF SE | 19740 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Kimberly-clark Worldwide, Inc. | 5854 |
1 |
| Mitsui Chemicals, Inc. | 3134 |
1 |
| Covestro Deutschland AG | 2429 |
1 |
| Hennecke GmbH | 32 |
1 |
| Mölnlycke Health Care AB | 543 |
1 |
| Nanotek Instruments, Inc. | 162 |
1 |
| Acoustic Space Pty Ltd | 4 |
1 |
| Dut Korea Co., Ltd | 8 |
1 |
| Woamy Oy | 3 |
1 |
| Vonrang International Corporation | 2 |
1 |
| Other owners | 0 |