- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/37 - Self-supporting filtering elements open-ended
Patent holdings for IPC class B01D 29/37
Total number of patents in this class: 36
10-year publication summary
|
1
|
1
|
2
|
6
|
0
|
1
|
0
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tsukishima Kikai Co., Ltd. | 113 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9041 |
3 |
| Metawater Co., Ltd. | 201 |
3 |
| Progressive International Corporation | 233 |
3 |
| Amukon Kabushiki Kaisha | 9 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3599 |
2 |
| NEC Corporation | 36631 |
1 |
| Pratt & Whitney Canada Corp. | 5356 |
1 |
| Sumitomo Chemical Company, Limited | 9015 |
1 |
| Mitsubishi Chemical Corporation | 4665 |
1 |
| Kaneka Corporation | 4654 |
1 |
| Aisin AI Co., Ltd. | 121 |
1 |
| Cleanflow AB | 3 |
1 |
| Dowa Electronics Materials Co., Ltd. | 636 |
1 |
| Metso Paper, Inc. | 353 |
1 |
| Mizushima Aroma Company, Ltd. | 4 |
1 |
| Osaka University | 3289 |
1 |
| Swing Corporation | 30 |
1 |
| Tokuyama Corporation | 1464 |
1 |
| Toyobo Co., Ltd. | 2525 |
1 |
| Other owners | 2 |