Patent holdings for IPC class B01D 47/16

Total number of patents in this class: 57

10-year publication summary

6
5
4
4
2
9
11
2
2
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Qwtip LLC
64
12
Edwards Limited
793
3
Midea Group Co., Ltd.
4517
3
Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd.
324
3
Chevron U.S.A. Inc.
3947
2
China Petroleum & Chemical Corporation
1882
2
I2m Co., Ltd.
9
2
Innsep AS
5
2
Senju Metal Industry Co., Ltd.
679
2
National Disaster Management Research Institute
17
2
Starion Co., Ltd.
6
2
Vortx Kleanair Systems
4
2
Sinopec (Shanghai) Research Institute of Petrochemical Technology Co., Ltd.
43
2
LG Electronics Inc.
72737
1
LG Chem, Ltd.
17594
1
S. C. Johnson & Son, Inc.
2789
1
Columbus Industries, Inc.
64
1
DAS Environmental Expert GmbH
23
1
GEA Westfalia Separator Group GmbH
99
1
Hindustan Petroleum Corporation Limited
209
1
Other owners 11