Patent holdings for IPC class D01F 2/24

Total number of patents in this class: 120

10-year publication summary

6
7
10
11
4
11
5
8
17
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Kolon Industries, Inc.
1844
8
KT & G Corporation
3123
8
The Procter & Gamble Company
21855
6
Eastman Chemical Company
2087
6
Treetotextile AB
57
6
Oji Holdings Corporation
797
5
Infinited Fiber Company Oy
40
4
Lenzing Aktiengesellschaft
503
3
North Carolina State University
1593
3
Eastman Chemical (China) Co Ltd
59
3
Nutrition & Biosciences USA 4, Inc.
239
3
The Regents of the University of California
20745
2
Aditya Birla Science & Technology Co. Ltd.
31
2
China Textile Academy
15
2
Cocona, Inc.
41
2
Deutsche Institute fur Textil -und Faserforschung Denkendorf
72
2
GP Cellulose GmbH
86
2
Grasim Industries Limited
68
2
Nanopareil, LLC
13
2
SAPPI Netherlands Services B.V.
37
2
Other owners 47