- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/70 - Filters with filtering elements which move during the filtering operation having feed or discharge devices
Patent holdings for IPC class B01D 33/70
Total number of patents in this class: 63
10-year publication summary
|
4
|
2
|
2
|
0
|
2
|
5
|
0
|
0
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16331 |
4 |
| Evoqua Water Technologies LLC | 930 |
4 |
| Chongqing University | 305 |
2 |
| Purestream Services, LLC | 19 |
2 |
| Essa corp. | 3 |
2 |
| Sustainable Water Infrastructure Group, LLC | 7 |
2 |
| Ovivo Water Inc. | 99 |
2 |
| Honda Motor Co., Ltd. | 26025 |
1 |
| Xerox Corporation | 4391 |
1 |
| Hitachi, Ltd. | 16094 |
1 |
| Caterpillar Inc. | 10267 |
1 |
| Warsaw Orthopedic, Inc. | 2778 |
1 |
| Shimadzu Corporation | 6340 |
1 |
| 1934612 Ontario Inc. | 22 |
1 |
| A.k. Industries, Inc. | 12 |
1 |
| Blue Water Technologies, Inc. | 3 |
1 |
| California Polytechnic Corporation | 3 |
1 |
| Cummins Filtration IP, Inc. | 590 |
1 |
| Duplo Seiko Corporation | 88 |
1 |
| Ecolab USA Inc. | 5796 |
1 |
| Other owners | 32 |