Patent holdings for IPC class D01F 8/12

Total number of patents in this class: 287

10-year publication summary

12
25
25
28
25
23
42
29
16
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
6831
32
Kaneka Corporation
4501
16
Polytex Sportbeläge Produktions-GmbH
106
11
KB Seiren, Ltd.
98
8
Puritan Medical Products Company LLC
52
6
DuPont Safety & Construction, Inc.
670
6
BASF SE
20570
5
E. I. du Pont de Nemours and Company
4181
5
Brrr! Incorporated
25
5
QED Labs Inc.
20
5
Speed France SAS
79
5
Stratasys, Inc.
698
5
Teijin Frontier Co., Ltd.
203
5
Aderans Company Limited
230
4
Kuraray Co., Ltd.
3472
4
Kuraray Trading Co., Ltd.
33
4
Evonik Operations GmbH
3959
4
Dow Global Technologies LLC
10226
3
The United States of America as represented by the Secretary of the Army
1190
3
Arkema France
3892
3
Other owners 148