Patent holdings for IPC class D21F 1/10

Total number of patents in this class: 195

10-year publication summary

13
12
11
7
7
6
8
2
3
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Albany International Corp.
232
36
Nippon Filcon Co., Ltd.
114
34
Voith Patent GmbH
2746
20
The Procter & Gamble Company
21856
17
AstenJohnson, Inc.
121
13
Weavexx, LLC
18
9
Huyck Licensco, Inc.,
47
6
GPCP IP Holdings LLC
1531
6
Structured I, LLC
62
4
Feltri Marone S.p.A.
14
3
Valmet Technologies Oy
288
3
Weavexx Corporation
5
3
Andritz Technology & Asset Management GmbH
2
2
Heimbach GmbH & Co. KG
9
2
Metso Fabrics Inc.
11
2
Oji Holdings Corporation
797
2
Stora Enso Oyj
1650
2
Weavexx, LLC
3
2
Kimberly-clark Worldwide, Inc.
5304
1
Murata Manufacturing Co., Ltd.
25776
1
Other owners 27