Patent holdings for IPC class D01F 8/04

Total number of patents in this class: 379

10-year publication summary

30
20
33
35
21
26
18
16
14
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7028
37
Stratasys, Inc.
847
11
3m Innovative Properties Company
17565
9
BASF SE
21135
7
Technion Research & Development Foundation Ltd.
1253
6
The Procter & Gamble Company
21969
5
Aladdin Manufacturing Corporation
238
5
ES FiberVisions ApS
37
5
ES FiberVisions Co., Ltd.
39
5
ES FiberVisions LP
40
5
Octet Medical, Inc.
33
5
The United States of America as represented by the Secretary of the Army
1236
4
e Ink Corporation
1541
4
INVISTA Technologies S.a.r.l.
401
4
Toray Fibers & Textiles Research Laboratories (China) Co., Ltd.
97
4
Toray Monofilament Co., Ltd.
17
4
U.S. Bank National Association
743
4
Evonik Operations GmbH
4231
4
E. I. du Pont de Nemours and Company
3738
3
The Boeing Company
20113
3
Other owners 245