Patent holdings for IPC class B01D 15/32

Total number of patents in this class: 439

10-year publication summary

34
52
33
47
43
45
45
47
35
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Waters Technologies Corporation
1691
41
Cytiva BioProcess R&D AB
303
18
Regeneron Pharmaceuticals, Inc.
4238
16
Genzyme Corporation
1242
10
Genentech, Inc.
3976
9
Bio-Rad Laboratories, Inc.
1609
6
GE Healthcare Limited
676
5
Nippon Suisan Kaisha, Ltd.
197
5
F. Hoffmann-La Roche AG
7932
4
EMD Millipore Corporation
649
4
Merck Patent GmbH
5861
4
Agilent Technologies, Inc.
2634
4
Shimadzu Corporation
6150
4
Cytune Pharma
39
4
Dionex Corporation
329
4
GE Healthcare Bio-Sciences AB
544
4
Hanmi Pharm. Co., Ltd.
571
4
Modernatx, Inc.
1261
4
Orochem Technologies, Inc.
28
4
Xellia Pharmaceuticals ApS
91
4
Other owners 281