Patent holdings for IPC class D01F 8/04

Total number of patents in this class: 381

10-year publication summary

35
22
34
40
21
30
22
17
14
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7093
37
Stratasys, Inc.
843
11
3m Innovative Properties Company
17485
9
BASF SE
21294
7
Octet Medical, Inc.
37
6
The Procter & Gamble Company
21867
5
Aladdin Manufacturing Corporation
244
5
ES FiberVisions ApS
37
5
ES FiberVisions Co., Ltd.
39
5
ES FiberVisions LP
40
5
Technion Research & Development Foundation Ltd.
1257
5
The United States of America as represented by the Secretary of the Army
1252
4
e Ink Corporation
1550
4
INVISTA Technologies S.a.r.l.
398
4
Toray Fibers & Textiles Research Laboratories (China) Co., Ltd.
102
4
Toray Monofilament Co., Ltd.
17
4
U.S. Bank National Association
765
4
Evonik Operations GmbH
4320
4
E. I. du Pont de Nemours and Company
3575
3
The Boeing Company
20145
3
Other owners 247