- All sections
- D - Textiles; paper
- D21F - Paper-making machines; methods of producing paper thereon
- D21F 11/14 - Making cellulose wadding, filter- or blotting paper
Patent holdings for IPC class D21F 11/14
Total number of patents in this class: 360
10-year publication summary
21
|
34
|
22
|
48
|
46
|
40
|
47
|
16
|
21
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
GPCP IP Holdings LLC | 1733 |
61 |
Kimberly-clark Worldwide, Inc. | 5854 |
58 |
Voith Patent GmbH | 2727 |
47 |
The Procter & Gamble Company | 22178 |
39 |
Valmet AB | 463 |
21 |
First Quality Tissue, LLC | 143 |
16 |
Andritz AG | 218 |
15 |
Albany International Corp. | 311 |
9 |
Mercer International Inc. | 30 |
7 |
Structured I, LLC | 54 |
6 |
The Clorox Company | 973 |
5 |
International Paper Company | 857 |
5 |
Giesecke+Devrient Currency Technology GmbH | 817 |
5 |
A. Celli Paper S.p.A. | 34 |
4 |
Buckman Laboratories International, Inc. | 244 |
3 |
SCA Hygiene Products GmbH | 29 |
3 |
Teknologian Tutkimuskeskus VTT Oy | 471 |
3 |
UPM-Kymmene Corporation | 868 |
3 |
Centre Technique du Papier | 19 |
2 |
Eldorado Brasil Celulose S.A. | 5 |
2 |
Other owners | 46 |