- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 24/00 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
Patent holdings for IPC class B01D 24/00
Total number of patents in this class: 743
10-year publication summary
|
46
|
53
|
45
|
53
|
44
|
42
|
34
|
28
|
23
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5232 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
21 |
| Yamashin-filter Corp. | 131 |
17 |
| Advanced Drainage Systems, Inc. | 401 |
13 |
| Donaldson Company, Inc. | 1600 |
12 |
| Corning Incorporated | 10500 |
11 |
| Ibiden Co., Ltd. | 1661 |
10 |
| Cummins Filtration IP, Inc. | 590 |
10 |
| Saudi Arabian Oil Company | 14207 |
8 |
| Solventum Intellectual Properties Company | 3415 |
8 |
| Xylem Water Solutions Zelienople LLC | 82 |
7 |
| Hitachi Metals, Ltd. | 1900 |
6 |
| Evoqua Water Technologies LLC | 931 |
6 |
| Hitachi Zosen Corporation | 602 |
6 |
| Hollingsworth & Vose Company | 301 |
6 |
| Kurita Water Industries Ltd. | 1283 |
6 |
| Nihon Genryo Co., Ltd. | 13 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
5 |
| Sumitomo Electric Industries, Ltd. | 16305 |
5 |
| Siemens Energy, Inc. | 1685 |
5 |
| Other owners | 540 |