Patent holdings for IPC class D01F 8/04

Total number of patents in this class: 383

10-year publication summary

20
35
22
34
39
21
30
21
15
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
6834
36
3m Innovative Properties Company
17857
9
BASF SE
20595
8
Stratasys, Inc.
698
8
Aladdin Manufacturing Corporation
214
5
ES FiberVisions ApS
37
5
ES FiberVisions Co., Ltd.
39
5
ES FiberVisions LP
41
5
Technion Research & Development Foundation Ltd.
1205
5
Octet Medical, Inc.
29
5
The Procter & Gamble Company
22036
4
The United States of America as represented by the Secretary of the Army
1195
4
e Ink Corporation
1458
4
INVISTA Technologies S.a.r.l.
417
4
Teijin Fibers Limited
55
4
Toray Fibers & Textiles Research Laboratories (China) Co., Ltd.
84
4
Toray Monofilament Co., Ltd.
17
4
U.S. Bank National Association
730
4
Evonik Operations GmbH
3968
4
E. I. du Pont de Nemours and Company
4170
3
Other owners 253