- 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: 1363
10-year publication summary
|
156
|
131
|
126
|
120
|
95
|
112
|
101
|
121
|
105
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157946 |
34 |
| LG Electronics Inc. | 75818 |
34 |
| Yamashin-filter Corp. | 131 |
19 |
| Nifco Inc. | 1097 |
14 |
| Haier US Appliance Solutions, Inc. | 4041 |
13 |
| Cummins Filtration IP, Inc. | 587 |
12 |
| Whirlpool Corporation | 4643 |
9 |
| Komatsu Ltd. | 4733 |
9 |
| Amogreentech Co., Ltd. | 647 |
9 |
| Microfilter Co., Ltd. | 41 |
9 |
| Halliburton Energy Services, Inc. | 21320 |
7 |
| Illinois Tool Works Inc. | 11866 |
7 |
| Robert Bosch GmbH | 44176 |
7 |
| Denso Corporation | 25579 |
7 |
| Hayward Industries, Inc. | 679 |
7 |
| Kyosan Denki Co., Ltd. | 52 |
7 |
| Caterpillar Inc. | 10281 |
6 |
| Aisan Kogyo Kabushiki Kaisha | 770 |
6 |
| Aqseptence Group, Inc. | 79 |
6 |
| Flo Water LLC | 6 |
6 |
| Other owners | 1135 |