Patent holdings for IPC class D01F 6/92

Total number of patents in this class: 508

10-year publication summary

16
36
33
37
44
49
36
33
35
20
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Jiangsu Hengli; Chemical Fibre Co., Ltd.
115
41
Toray Industries, Inc.
6951
27
Kaneka Corporation
4529
14
Kimberly-clark Worldwide, Inc.
5495
13
Columbia Insurance Company
1523
12
Aladdin Manufacturing Corporation
224
12
BASF SE
20915
11
Kuraray Co., Ltd.
3503
11
Teijin Limited
1246
11
The Procter & Gamble Company
22035
10
E. I. du Pont de Nemours and Company
4058
10
Polytex Sportbeläge Produktions-GmbH
109
8
NatureWorks LLC
95
7
Trevira GmbH
48
7
3m Innovative Properties Company
17819
5
Jinan Shengquan Group Share-Holding Co., Ltd.
79
5
Teijin Fibers Limited
51
5
Denka Company Limited
2585
4
Fitesa Germany GmbH
39
4
Fitesa Simpsonville, Inc.
34
4
Other owners 287