Patent holdings for IPC class D01F 8/04

Total number of patents in this class: 384

10-year publication summary

20
30
20
33
34
21
26
18
16
14
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7015
37
Stratasys, Inc.
843
11
3m Innovative Properties Company
17719
9
BASF SE
21098
7
Technion Research & Development Foundation Ltd.
1243
6
The Procter & Gamble Company
22015
5
Aladdin Manufacturing Corporation
228
5
ES FiberVisions ApS
37
5
ES FiberVisions Co., Ltd.
39
5
ES FiberVisions LP
40
5
Octet Medical, Inc.
32
5
The United States of America as represented by the Secretary of the Army
1226
4
e Ink Corporation
1524
4
INVISTA Technologies S.a.r.l.
406
4
Toray Fibers & Textiles Research Laboratories (China) Co., Ltd.
92
4
Toray Monofilament Co., Ltd.
17
4
U.S. Bank National Association
725
4
Evonik Operations GmbH
4181
4
E. I. du Pont de Nemours and Company
3885
3
The Boeing Company
20186
3
Other owners 250