- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
Patent holdings for IPC class B01D 35/02
Total number of patents in this class: 1319
10-year publication summary
|
110
|
136
|
118
|
102
|
107
|
77
|
100
|
95
|
111
|
70
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147622 |
33 |
| LG Electronics Inc. | 73578 |
29 |
| Yamashin-filter Corp. | 128 |
19 |
| Cummins Filtration IP, Inc. | 806 |
14 |
| Nifco Inc. | 1111 |
14 |
| Haier US Appliance Solutions, Inc. | 3699 |
13 |
| Komatsu Ltd. | 4576 |
9 |
| Amogreentech Co., Ltd. | 617 |
9 |
| Microfilter Co., Ltd. | 41 |
9 |
| Whirlpool Corporation | 4441 |
8 |
| Halliburton Energy Services, Inc. | 20946 |
7 |
| Robert Bosch GmbH | 42824 |
7 |
| Denso Corporation | 24480 |
7 |
| Caterpillar Inc. | 9647 |
7 |
| Kyosan Denki Co., Ltd. | 52 |
7 |
| Illinois Tool Works Inc. | 11503 |
6 |
| Aisan Kogyo Kabushiki Kaisha | 743 |
6 |
| Aqseptence Group, Inc. | 87 |
6 |
| Flo Water LLC | 6 |
6 |
| Hayward Industries, Inc. | 667 |
6 |
| Other owners | 1097 |