- All sections
- D - Textiles; paper
- D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment 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: 424
10-year publication summary
|
30
|
35
|
42
|
28
|
35
|
51
|
48
|
42
|
37
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kimberly-clark Worldwide, Inc. | 5854 |
110 |
| The Procter & Gamble Company | 22178 |
97 |
| GPCP IP Holdings LLC | 1733 |
43 |
| First Quality Tissue, LLC | 143 |
41 |
| Stora Enso Oyj | 1504 |
19 |
| Essity Hygiene and Health Aktiebolag | 1990 |
14 |
| Structured I, LLC | 54 |
7 |
| Billerudkorsnas AB | 91 |
5 |
| Daio Paper Corporation | 1407 |
5 |
| Essity Operations France | 51 |
5 |
| SCA Hygiene Products AB | 730 |
4 |
| Domtar Paper Company, LLC | 119 |
3 |
| Georgia-Pacific France | 43 |
3 |
| Nalco Company | 620 |
3 |
| SCA Hygiene Products GmbH | 29 |
3 |
| Packaging Acquisitions I, LLC | 20 |
3 |
| BASF SE | 19740 |
2 |
| Albany International Corp. | 311 |
2 |
| Borregaard AS | 108 |
2 |
| EV Group E. Thallner GmbH | 376 |
2 |
| Other owners | 51 |