Patent holdings for IPC class D01F 9/00

Total number of patents in this class: 256

10-year publication summary

22
21
14
11
9
8
20
8
19
8
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
The Procter & Gamble Company
21859
19
Nutrition & Biosciences USA 4, Inc.
243
17
E. I. du Pont de Nemours and Company
3473
7
Lenzing Aktiengesellschaft
499
6
President and Fellows of Harvard College
6110
5
Contipro Biotech s.r.o.
20
5
Jinwoo Bio Co., Ltd.
20
5
Centre National de La Recherche Scientifique
11077
4
National Institute of Advanced Industrial Science and Technology
3791
4
Bakel S.r.l.
27
4
The Board of Trustees of the University of Alabama
439
4
Imperial College Innovations Limited
692
4
Stora Enso Oyj
1660
4
Universite Claude Bernard Lyon I
187
4
The University of Tokyo
4380
3
DuPont Industrial Biosciences USA, LLC
24
3
Galderma Holding S.A.
699
3
Société des Produits Nestlé S.A.
10041
2
BiologiQ, Inc.
50
2
Cytec Industries Inc.
410
2
Other owners 149