- 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. | 115 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
3 |
| Metawater Co., Ltd. | 200 |
3 |
| Progressive International Corporation | 226 |
3 |
| Amukon Kabushiki Kaisha | 9 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3640 |
2 |
| NEC Corporation | 37312 |
1 |
| Pratt & Whitney Canada Corp. | 5528 |
1 |
| Sumitomo Chemical Company, Limited | 8967 |
1 |
| Mitsubishi Chemical Corporation | 4742 |
1 |
| Kaneka Corporation | 4768 |
1 |
| Aisin AI Co., Ltd. | 121 |
1 |
| Cleanflow AB | 3 |
1 |
| Dowa Electronics Materials Co., Ltd. | 635 |
1 |
| Metso Paper, Inc. | 331 |
1 |
| Mizushima Aroma Company, Ltd. | 3 |
1 |
| Osaka University | 3258 |
1 |
| Swing Corporation | 31 |
1 |
| Tokuyama Corporation | 1488 |
1 |
| Toyobo Co., Ltd. | 2541 |
1 |
| Other owners | 2 |