Patent holdings for IPC class D01F 8/12

Total number of patents in this class: 315

10-year publication summary

25
25
28
26
23
42
29
18
20
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7067
37
Kaneka Corporation
4654
16
Polytex Sportbeläge Produktions-GmbH
129
13
KB Seiren, Ltd.
102
8
Puritan Medical Products Company LLC
52
6
Stratasys, Inc.
844
6
DuPont Safety & Construction, Inc.
675
6
E. I. du Pont de Nemours and Company
3632
5
Brrr! Incorporated
23
5
QED Labs Inc.
19
5
Teijin Frontier Co., Ltd.
246
5
BASF SE
21165
4
Nike, Inc.
14720
4
Aderans Company Limited
236
4
Ascend Performance Materials Operations LLC
264
4
Kuraray Trading Co., Ltd.
38
4
Speed France SAS
77
4
Evonik Operations GmbH
4283
4
Dow Global Technologies LLC
10845
3
The United States of America as represented by the Secretary of the Army
1252
3
Other owners 169