Patent holdings for IPC class B01D 15/22

Total number of patents in this class: 578

10-year publication summary

57
53
52
58
51
50
58
41
56
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Waters Technologies Corporation
1689
49
Cytiva Sweden AB
757
36
Agilent Technologies, Inc.
2642
33
Cytiva BioProcess R&D AB
302
26
GE Healthcare Bio-Sciences AB
547
19
W. L. Gore & Associates, Inc.
2662
14
IDEX Health & Science LLC
207
11
Biotage AB
91
9
Tosoh Bioscience LLC
40
9
Pharmafluidics NV
29
7
SPF Technologies LLC
20
7
Bio-Rad Laboratories, Inc.
1609
6
Douglas T. Gjerde
11
6
Regeneron Pharmaceuticals, Inc.
4223
6
Shimadzu Corporation
6132
5
Sartorius Stedim Biotech GmbH
824
5
F. Hoffmann-La Roche AG
7920
4
Merck Patent GmbH
5840
4
Uop LLC
4207
4
Altria Client Services LLC
2171
4
Other owners 314