Patent holdings for IPC class B01D 45/02

Total number of patents in this class: 169

10-year publication summary

9
12
18
11
22
12
16
13
11
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Specialized Desanders Inc.
45
8
Atlas Copco Airpower, naamloze vennootschap
1031
5
eigen Systems Limited
26
3
Filtration Technology Corporation
48
3
Nabtesco Automotive Corporation
128
3
Denso Corporation
24282
2
Hamilton Sundstrand Corporation
4868
2
Daqing Oilfield Co., Ltd.
8
2
Herding GmbH Filtertechnik
30
2
HTE GmbH The High Throughput Experimentation Company
58
2
IFP Energies Nouvelles
2933
2
Kinetic Separation Technologies LLC
3
2
Nano Control AB
2
2
PetroChina Company Limited
708
2
Valmet AB
505
2
Centriclean Systems AB
2
2
NOV Process and Flow Technologies US, Inc.
3
2
Industrial Machine Service, Inc.
5
2
Sierra Space Corporation
127
2
Oilify New-tech Solutions Inc.
23
2
Other owners 117