B01D 2315/20
Operation control schemes defined by a periodically repeated sequence comprising filtration cycles
Official title: Operation control schemes defined by a periodically repeated sequence comprising filtration cycles combined with cleaning or gas supply, e.g. aeration
B01D2315/20 (Operation control schemes defined by a periodically repeated sequence comprising filtration cycles) appears on 36 US grants and 82 published applications in this corpus.
Search patents in B01D- Granted patents
- 36
- Published applications
- 82
- Assignees
- 56
- Inventors
- 207
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 3 | 5 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 0 | 3 |
| 2018 | 4 | 12 |
| 2019 | 1 | 5 |
| 2020 | 4 | 9 |
| 2021 | 6 | 4 |
| 2022 | 4 | 5 |
| 2023 | 3 | 8 |
| 2024 | 2 | 6 |
| 2025 | 4 | 7 |
| 2026 | 3 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Techniques for managing scale formation in reverse osmosis (RO) and nanofiltration (NF) systems and a hybrid filtration architecture implementing the same12 May 2026US 12,623,921 B2Clean H2O Technologies, LLC
- Transmembrane pressure difference inference device and diffused air amount control device17 Mar 2026US 12,577,131 B2Kubota Corporation
- Method and program for determining cleaning trouble in fresh water generator10 Mar 2026US 12,569,813 B2Toray Industries, Inc.
- Digital seawater processing11 Nov 2025US 12,465,890 B2Cameron International Corporation
- Filter structure having function of selectively collecting water through opposite ends thereof and filtering method using same23 Sep 2025US 12,420,237 B2Toray Advanced Materials Korea Inc.
- Membrane scouring airflow control system, membrane scouring airflow control method, and membrane scouring airflow control program23 Jul 2026US 2026/0208115 A1Kubota Corporation
- Filtration system, method for predicting a maintenance condition of the filtration system and method for predicting a recovery condition of the filtration system4 Jun 2026US 2026/0151740 A1Roche Diagnostics Operations, Inc.
- Water treatment systems14 May 2026US 2026/0131286 A1Pacific Advanced Civil Engineering, Inc.
- Method for predicting a maintenance operation and recommending maintenance for water treatment equipment1 Jan 2026US 2026/0001042 A1
- Method of filtering solids from a solution derived from plasma27 Nov 2025US 2025/0360464 A1Csl Behring (Australia) Pty Ltd
Most cited
By later US patents
- Intelligent fluid filtration management system7US 10,562,787 B2Water Planet, Inc. · 2020
- Method and production plant for producing sterile water4US 8,852,437 B2Krones AG · 2014
- System for purifying a liquid3US 11,439,955 B2Electrophor, Inc. · 2022
- Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor2US 10,160,679 B2Bl Technologies, Inc. · 2018
- Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor2US 11,850,554 B2Bl Technologies, Inc. · 2023