- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 39/12 - Filter screens essentially made of metal of expanded metal
Patent holdings for IPC class B01D 39/12
Total number of patents in this class: 155
10-year publication summary
11
|
10
|
8
|
21
|
21
|
14
|
13
|
28
|
13
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ACS Industries, Inc. | 34 |
7 |
Fuji Filter Manufacturing Co., Ltd. | 53 |
5 |
Emitec Gesellschaft für Emissionstechnologie mbH | 375 |
4 |
NV Bekaert SA | 750 |
4 |
Schlumberger Technology Corporation | 9690 |
3 |
Murata Manufacturing Co., Ltd. | 22355 |
3 |
Aqseptence Group, Inc. | 103 |
3 |
Continental Wire Cloth, LLC | 7 |
3 |
Luigi Lavazza S.p.A. | 610 |
3 |
General Electric Company | 18133 |
2 |
Albany International Corp. | 311 |
2 |
Autoliv ASP, Inc. | 772 |
2 |
Cummins Filtration IP, Inc. | 812 |
2 |
Daicel Chemical Industries, Ltd. | 288 |
2 |
MANN+HUMMEL GmbH | 1682 |
2 |
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1657 |
2 |
Metal Textiles Corporation | 5 |
2 |
Southern Felt Company, Inc. | 16 |
2 |
TRW Vehicle Safety Systems Inc. | 123 |
2 |
Yara International ASA | 753 |
2 |
Other owners | 98 |