- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 35/58 - Fabrics or filaments
Patent holdings for IPC class B01J 35/58
Total number of patents in this class: 67
10-year publication summary
|
0
|
0
|
0
|
1
|
2
|
2
|
11
|
5
|
13
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Donaldson Company, Inc. | 1603 |
4 |
| Ebara Corporation | 2199 |
3 |
| Heraeus Deutschland GmbH & Co. KG | 417 |
3 |
| King Fahd University of Petroleum and Minerals | 1305 |
3 |
| Umicore AG & Co. KG | 862 |
3 |
| BASF SE | 21039 |
2 |
| Heraeus Precious Metals GmbH & Co. KG | 81 |
2 |
| Johnson Matthey Public Limited Company | 1875 |
2 |
| The Regents of the University of California | 20137 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
1 |
| NGK Insulators, Ltd. | 5107 |
1 |
| The Regents of the University of Michigan | 4753 |
1 |
| Toray Industries, Inc. | 7002 |
1 |
| Nippon Telegraph and Telephone Corporation | 16975 |
1 |
| The United States of America as represented by the Secretary of the Army | 1220 |
1 |
| W. L. Gore & Associates, Inc. | 2731 |
1 |
| Korea Advanced Institute of Science and Technology | 4417 |
1 |
| Cormetech, Inc. | 39 |
1 |
| Drexel University | 1005 |
1 |
| East China Normal University | 185 |
1 |
| Other owners | 33 |