Patent holdings for IPC class B01D 46/00

Total number of patents in this class: 7587

10-year publication summary

412
500
637
677
849
776
779
808
912
804
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Principal owners for this class

Owner
All patents
This class
MANN+HUMMEL GmbH
1609
496
Donaldson Company, Inc.
1452
491
Cummins Filtration IP, Inc.
835
160
NGK Insulators, Ltd.
4413
156
3m Innovative Properties Company
20910
149
LG Electronics Inc.
66125
149
Ibiden Co., Ltd.
1731
124
Samsung Electronics Co., Ltd.
118560
79
Corning Incorporated
9631
75
MAHLE International GmbH
2722
73
Caterpillar Inc.
8071
70
K&N Engineering, Inc.
400
62
Parker Intangibles LLC
1321
61
Baldwin Filters, Inc.
251
59
Sumitomo Chemical Company, Limited
8533
54
Camfil AB
203
54
Ford Global Technologies, LLC
19284
44
Carl Freudenberg KG
1346
40
Honda Motor Co., Ltd.
24633
38
Coway Co., Ltd.
569
37
Other owners 5116