Patent holdings for IPC class D01F 8/16

Total number of patents in this class: 159

10-year publication summary

9
13
14
17
13
17
19
16
6
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
3m Innovative Properties Company
17820
8
Mitsubishi Gas Chemical Company, Inc.
3470
7
Donaldson Company, Inc.
1605
6
Toray Industries, Inc.
6950
5
The Lycra Company LLC
129
5
Kimberly-clark Worldwide, Inc.
5499
4
The United States of America as represented by the Secretary of the Army
1214
3
Polytex Sportbeläge Produktions-GmbH
110
3
Soochow University
1739
3
BASF SE
20945
2
E. I. du Pont de Nemours and Company
4041
2
Uop LLC
4240
2
Covestro Deutschland AG
2767
2
Gunze Limited
352
2
Kuraray Co., Ltd.
3507
2
Lubrizol Advanced Materials, Inc.
951
2
The Secant Group, LLC
106
2
South China University of Technology
1791
2
Rheon Labs Ltd
32
2
DuPont Safety & Construction, Inc.
705
2
Other owners 93