- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 24/48 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
Patent holdings for IPC class B01D 24/48
Total number of patents in this class: 90
10-year publication summary
|
13
|
3
|
9
|
9
|
10
|
7
|
12
|
7
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Philip Morris USA Inc. | 707 |
4 |
| Siemens Energy, Inc. | 1693 |
4 |
| DEKA Products Limited Partnership | 1757 |
4 |
| Fuji Filter Manufacturing Co., Ltd. | 55 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
3 |
| Evoqua Water Technologies LLC | 914 |
3 |
| Hitachi Zosen Corporation | 621 |
3 |
| Conopco, Inc. | 4952 |
2 |
| Degremont | 91 |
2 |
| Doosan Heavy Industries & Construction Co., Ltd. | 581 |
2 |
| Kanagawa Kiki Kogyo Co., Ltd. | 9 |
2 |
| Lyco Manufacturing, Inc. | 57 |
2 |
| Saudi Arabian Oil Company | 12858 |
2 |
| Zero Technologies, LLC | 31 |
2 |
| Mitsubishi Kakoki Kaisha, Ltd. | 62 |
2 |
| Unilever PLC | 3226 |
1 |
| Unilever N.V. | 3126 |
1 |
| Murata Manufacturing Co., Ltd. | 24342 |
1 |
| AquaStar Pool Products, Inc. | 80 |
1 |
| Basic Co., Ltd. | 14 |
1 |
| Other owners | 44 |