C02F 2201/4611
Fluid flow
C02F2201/4611 (Fluid flow) appears on 507 US grants and 449 published applications in this corpus.
Search patents in C02F- Granted patents
- 507
- Published applications
- 449
- Assignees
- 380
- Inventors
- 1,151
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 10 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 19 | 0 |
| 1999 | 24 | 0 |
| 2000 | 13 | 0 |
| 2001 | 25 | 2 |
| 2002 | 13 | 13 |
| 2003 | 10 | 27 |
| 2004 | 11 | 15 |
| 2005 | 10 | 8 |
| 2006 | 7 | 9 |
| 2007 | 6 | 14 |
| 2008 | 3 | 8 |
| 2009 | 3 | 11 |
| 2010 | 3 | 9 |
| 2011 | 4 | 22 |
| 2012 | 12 | 12 |
| 2013 | 11 | 16 |
| 2014 | 9 | 31 |
| 2015 | 18 | 23 |
| 2016 | 14 | 27 |
| 2017 | 17 | 12 |
| 2018 | 14 | 32 |
| 2019 | 21 | 26 |
| 2020 | 21 | 19 |
| 2021 | 12 | 26 |
| 2022 | 13 | 13 |
| 2023 | 23 | 19 |
| 2024 | 8 | 16 |
| 2025 | 15 | 19 |
| 2026 | 10 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Waste water treatment process6 Oct 2026US 12,753,095 B2U.S. Clean Water Technology, Inc.
- Flow features for self-cleaning concentric tubular electrochemical cells6 Oct 2026US 12,753,096 B2Evoqua Water Technologies LLC
- Water treatment device18 Aug 2026US 12,709,559 B2LG Electronics Inc.
- High recovery electrodialysis method16 Jun 2026US 12,655,046 B2Evoqua Water Technologies LLC
- Method and device for preparing slightly acidic electrolyzed water with controllable and stable concentration9 Jun 2026US 12,649,674 B2Ningbo C.F Electronic Tech Co., Ltd
- Method and apparatus for electrochemical ion exchange13 Aug 2026US 2026/0234032 A1Lithios Inc.
- Dialysis water purification13 Aug 2026US 2026/0234043 A1Mozarc Medical US LLC
- Electrode composites for electrochemical ion separation from aqueous solutions, and methods thereof13 Aug 2026US 2026/0234825 A1Lithios Inc.
- Methods and apparatuses for galvanic ion extraction6 Aug 2026US 2026/0225924 A1Lithios Inc.
- Water care system, device, and method23 Jul 2026US 2026/0209088 A1Masterspas, LLC
Most cited
By later US patents
- Method and apparatus for capacitive deionization, electrochemical purification, and regeneration of electrodes157US 5,425,858 AThe Regents of the University of California · 1995
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes139US 6,309,532 B1The Regents of the University of California · 2001
- Implantable bone lengthening apparatus using a drive gear mechanism129US 5,704,938 AVolunteers for Medical Engineering · 1998
- Electrochemically assisted ion exchange123US 5,788,826 APionetics Corporation · 1998
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes117US 5,954,937 AThe Regents of the University of California · 1999