- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 29/27 - Filter bags
Patent holdings for IPC class B01D 29/27
Total number of patents in this class: 176
10-year publication summary
|
22
|
12
|
19
|
27
|
15
|
14
|
13
|
14
|
17
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThermoChem Recovery International, Inc. | 99 |
14 |
| Life Technologies Corporation | 3298 |
9 |
| Frog Creek Partners, LLC | 9 |
7 |
| Flo Water LLC | 6 |
6 |
| Pentair Water Pool and Spa, Inc. | 440 |
4 |
| Precision Dewatering, LLC | 5 |
4 |
| Caterpillar Inc. | 9548 |
3 |
| Hayward Industries, Inc. | 670 |
3 |
| Concept Matrix Solutions | 16 |
3 |
| Day Enterprises LLC | 4 |
3 |
| Plenty Company, LLC | 12 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 745 |
2 |
| ANKOM Technology Corporation | 9 |
2 |
| China Petroleum & Chemical Corporation | 1903 |
2 |
| Clarus Fluid Intelligence, LLC | 9 |
2 |
| Clean Way Services, Inc. | 9 |
2 |
| Enpac, L.L.C. | 25 |
2 |
| Festool GmbH | 371 |
2 |
| Maytronics Ltd. | 173 |
2 |
| Quill International Group Limited | 4 |
2 |
| Other owners | 99 |