- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 24/44 - Feed or discharge devices for discharging filter cake, e.g. chutes
Patent holdings for IPC class B01D 24/44
Total number of patents in this class: 25
10-year publication summary
|
0
|
2
|
2
|
1
|
2
|
5
|
0
|
2
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Philip Morris USA Inc. | 653 |
5 |
| Nissin Manufacturing Co., Ltd. | 23 |
2 |
| Tsukishima Kikai Co., Ltd. | 114 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6656 |
1 |
| Bunri Incorporation | 25 |
1 |
| C. Crane Company, Inc. | 8 |
1 |
| Fujita Corporation | 39 |
1 |
| Kanagawa Kiki Kogyo Co., Ltd. | 9 |
1 |
| Kuraray Co., Ltd. | 3591 |
1 |
| Mitsui O.S.K. Lines, Ltd. | 60 |
1 |
| Miura Co., Ltd. | 285 |
1 |
| Putsch GmbH & Co.KG | 5 |
1 |
| Satake Corporation | 296 |
1 |
| Seoul Metropolitan Government | 27 |
1 |
| Tevet Water Technologies Ltd. | 3 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6177 |
1 |
| AGUA JAPAN Co., Ltd. | 2 |
1 |
| MOL Engineering Co., Ltd. | 2 |
1 |
| Tanigaki Shokai Co., Ltd. | 1 |
1 |
| Other owners | 0 |