Patent holdings for IPC class D01F 9/00

Total number of patents in this class: 240

10-year publication summary

18
15
22
21
13
11
8
8
20
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
The Procter & Gamble Company
22178
26
Nutrition & Biosciences USA 4, Inc.
188
16
E. I. du Pont de Nemours and Company
4345
7
Lenzing Aktiengesellschaft
529
6
Contipro Biotech s.r.o.
20
5
Centre National de La Recherche Scientifique
9632
4
National Institute of Advanced Industrial Science and Technology
3677
4
The Board of Trustees of the University of Alabama
327
4
Universite Claude Bernard Lyon I
198
4
President and Fellows of Harvard College
5792
3
Bakel S.r.l.
37
3
The University of Tokyo
3903
3
Jinwoo Bio Co., Ltd.
16
3
DuPont Industrial Biosciences USA, LLC
43
3
Galderma Holding S.A.
711
3
Cytec Industries Inc.
407
2
Eastman Chemical Company
2239
2
Extenday IP Limited
18
2
Fiber Tech Co., Ltd.
6
2
Foss, Stephen W.
5
2
Other owners 136