Patent holdings for IPC class D01F 8/04

Total number of patents in this class: 389

10-year publication summary

20
30
20
33
34
21
26
18
16
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7000
37
Stratasys, Inc.
813
11
3m Innovative Properties Company
17755
9
BASF SE
21053
7
Technion Research & Development Foundation Ltd.
1233
6
The Procter & Gamble Company
21996
5
Aladdin Manufacturing Corporation
225
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
1224
4
e Ink Corporation
1513
4
INVISTA Technologies S.a.r.l.
410
4
Toray Fibers & Textiles Research Laboratories (China) Co., Ltd.
90
4
Toray Monofilament Co., Ltd.
17
4
U.S. Bank National Association
726
4
Evonik Operations GmbH
4183
4
E. I. du Pont de Nemours and Company
3967
3
The Boeing Company
20157
3
Other owners 255