- All sections
- D - Textilespaper
- D21H - Pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertreatment of finished paper not covered by class or subclass paper not otherwise provided for
- D21H 27/40 - Multi-ply at least one of the sheets being non-planar, e.g. crêped
Patent holdings for IPC class D21H 27/40
Total number of patents in this class: 462
10-year publication summary
|
35
|
42
|
28
|
35
|
51
|
49
|
43
|
37
|
44
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kimberly-clark Worldwide, Inc. | 5503 |
127 |
| The Procter & Gamble Company | 22043 |
101 |
| First Quality Tissue, LLC | 156 |
45 |
| GPCP IP Holdings LLC | 1641 |
42 |
| Stora Enso Oyj | 1634 |
23 |
| Essity Hygiene and Health Aktiebolag | 2039 |
18 |
| Structured I, LLC | 58 |
8 |
| Daio Paper Corporation | 1383 |
6 |
| Billerudkorsnas AB | 88 |
5 |
| SCA Hygiene Products AB | 666 |
4 |
| Essity Operations France | 44 |
4 |
| Domtar Paper Company, LLC | 121 |
3 |
| Georgia-Pacific France | 33 |
3 |
| Nalco Company | 565 |
3 |
| GranBio Intellectual Property Holdings, LLC | 119 |
3 |
| Packaging Acquisitions I, LLC | 20 |
3 |
| BASF SE | 20892 |
2 |
| Albany International Corp. | 255 |
2 |
| Billerud AB | 125 |
2 |
| Borregaard AS | 125 |
2 |
| Other owners | 56 |