B03D 2203/008
Water purification
Official title: Water purification, e.g. for process water recycling
B03D2203/008 (Water purification) appears on 27 US grants and 44 published applications in this corpus.
Search patents in B03D- Granted patents
- 27
- Published applications
- 44
- Assignees
- 34
- Inventors
- 93
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 5 |
| 2021 | 4 | 5 |
| 2022 | 4 | 11 |
| 2023 | 4 | 5 |
| 2024 | 2 | 5 |
| 2025 | 7 | 8 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for process water treatment14 Jul 2026US 12,679,754 B2Metso Finland Oy
- Method and arrangement for process water treatment17 Feb 2026US 12,551,903 B2Metso Finland Oy
- Fluid treatment system, separator and method using a magnetic field30 Sep 2025US 12,427,440 B2RJ Enterprises, Inc.
- System for establishing a digital interconnection between vessels for collection of micro-plastics in a secured way30 Sep 2025US 12,428,315 B2
- Cellulose-based derivatives as chemical aids for mineral enrichment in froth flotation22 Jul 2025US 12,364,992 B2Aalto University Foundation sr
- A system and a method for collection of micro-plastics13 Aug 2026US 2026/0234886 A1
- Method, apparatus and system for removal of pfas from an aqueous source and production of concentrated pfas product15 Jan 2026US 2026/0015258 A1
- Fluid treatment system, separator and method using a magnetic field25 Dec 2025US 2025/0387732 A1RJ Enterprises, Inc.
- Systems, articles, and methods related to foam fractionation of fluids13 Nov 2025US 2025/0346501 A1Gradiant Corporation
- Treating per- and poly-fluoroalkyl substances in landfill leachate21 Aug 2025US 2025/0263310 A1
Most cited
By later US patents
- Water treatment for removing PFAS14US 11,780,746 B2The Water & Carbon Group Pty, Ltd. · 2023
- Separation columns for per- and polyfluoroalkyl substances (PFAS) remediation7US 11,447,401 B1Arrowhead Center, Inc. · 2022
- Method for removing per- and polyfluoroalkyl substances (PFAS) from waste water7US 11,840,471 B1Republic Services, Inc. · 2023
- Enchanced system and method for treatment of soil and groundwater contaminated with PFAS6US 11,643,339 B2Eminus, LLC · 2023
- Pharmaionizer system4US 11,097,961 B1John D. Jones Engineering, Inc. · 2021