- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 29/86 - Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
Patent holdings for IPC class B01D 29/86
Total number of patents in this class: 39
10-year publication summary
|
1
|
1
|
1
|
5
|
2
|
3
|
10
|
3
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 9795 |
4 |
| Dnae Diagnostics Limited | 24 |
3 |
| ICM, Inc. | 69 |
2 |
| Nippon Oil Pump Co., Ltd. | 28 |
2 |
| Prime Services Trustee Limited | 9 |
2 |
| Smith & Nephew plc | 779 |
2 |
| Wamgroup S.p.A. | 93 |
2 |
| Kadant Black Clawson LLC | 31 |
2 |
| BASF SE | 19740 |
1 |
| Uop LLC | 4083 |
1 |
| Dow Global Technologies LLC | 10147 |
1 |
| ANDREAS STIHL AG & Co. KG | 818 |
1 |
| Direction et Priorites | 3 |
1 |
| Haier US Appliance Solutions, Inc. | 3178 |
1 |
| Husqvarna Belgium S.A. | 7 |
1 |
| INEOS Europe AG | 188 |
1 |
| Joint Stock Company "atomenergoproekt" | 78 |
1 |
| NanoIVD, Inc. | 1 |
1 |
| National Oilwell Varco, L.P. | 1604 |
1 |
| Pall Corporation | 392 |
1 |
| Other owners | 8 |