Patent holdings for IPC class D01F 6/86

Total number of patents in this class: 50

10-year publication summary

5
3
4
2
2
6
2
1
4
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Toray Industries, Inc.
7113
5
Parkdale Incorporated
25
4
Mitsubishi Chemical Corporation
4724
3
Sofradim Production
289
3
Tyco Healthcare Group LP
196
2
E. I. du Pont de Nemours and Company
3534
2
Decathlon
878
2
Kuraray Co., Ltd.
3589
2
Toyobo MC Corporation
532
2
Covidien LP
10649
1
Toyota Motor Corporation
35772
1
Centre National de La Recherche Scientifique
11023
1
Arkema France
4242
1
Asahi Kasei Kabushiki Kaisha
2833
1
Ems-patent AG
172
1
Golden Lady Company S.p.A.
200
1
Institut National des Sciences Appliquees de Lyon
308
1
KB Seiren, Ltd.
102
1
Kolon Industries, Inc.
1844
1
Lubrizol Advanced Materials, Inc.
955
1
Other owners 14