Patent holdings for IPC class D01F 8/04

Total number of patents in this class: 388

10-year publication summary

20
30
20
33
34
21
26
18
16
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7006
37
Stratasys, Inc.
807
11
3m Innovative Properties Company
17762
9
BASF SE
21036
7
Technion Research & Development Foundation Ltd.
1231
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
1221
4
e Ink Corporation
1515
4
INVISTA Technologies S.a.r.l.
411
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
4178
4
E. I. du Pont de Nemours and Company
3973
3
The Boeing Company
20139
3
Other owners 254