- 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: 489
10-year publication summary
|
42
|
28
|
35
|
51
|
49
|
43
|
41
|
46
|
25
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kimberly-clark Worldwide, Inc. | 5301 |
131 |
| The Procter & Gamble Company | 21861 |
117 |
| First Quality Tissue, LLC | 162 |
48 |
| GPCP IP Holdings LLC | 1530 |
43 |
| Stora Enso Oyj | 1648 |
23 |
| Essity Hygiene and Health Aktiebolag | 2062 |
20 |
| Structured I, LLC | 62 |
8 |
| Daio Paper Corporation | 1410 |
6 |
| Billerudkorsnas AB | 88 |
5 |
| SCA Hygiene Products AB | 558 |
4 |
| Domtar Paper Company, LLC | 124 |
3 |
| Ecolab USA Inc. | 5792 |
3 |
| Nalco Company | 536 |
3 |
| Essity Operations France | 39 |
3 |
| GranBio Intellectual Property Holdings, LLC | 125 |
3 |
| Packaging Acquisitions I, LLC | 20 |
3 |
| BASF SE | 21303 |
2 |
| Albany International Corp. | 232 |
2 |
| Billerud AB | 162 |
2 |
| Borregaard AS | 127 |
2 |
| Other owners | 58 |