C02F 2301/02
Fluid flow conditions
C02F2301/02 (Fluid flow conditions) appears on 1,019 US grants and 1,316 published applications in this corpus.
Search patents in C02F- Granted patents
- 1,019
- Published applications
- 1,316
- Assignees
- 793
- Inventors
- 2,443
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 21 | 0 |
| 2001 | 16 | 2 |
| 2002 | 20 | 23 |
| 2003 | 17 | 39 |
| 2004 | 27 | 39 |
| 2005 | 23 | 29 |
| 2006 | 16 | 74 |
| 2007 | 23 | 41 |
| 2008 | 14 | 34 |
| 2009 | 21 | 31 |
| 2010 | 27 | 36 |
| 2011 | 16 | 47 |
| 2012 | 23 | 45 |
| 2013 | 25 | 47 |
| 2014 | 45 | 51 |
| 2015 | 30 | 51 |
| 2016 | 35 | 54 |
| 2017 | 35 | 55 |
| 2018 | 35 | 69 |
| 2019 | 45 | 66 |
| 2020 | 69 | 75 |
| 2021 | 63 | 88 |
| 2022 | 49 | 69 |
| 2023 | 50 | 68 |
| 2024 | 49 | 67 |
| 2025 | 53 | 74 |
| 2026 | 36 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pool skimmer6 Oct 2026US 12,753,619 B1Sichuan Cootway Technology Co., Ltd.
- Method and apparatus for water processing29 Sep 2026US 12,746,520 B2
- Oil-water mixture treatment device and method15 Sep 2026US 12,735,334 B2China Petroleum & Chemical Corporation
- Pool skimmer1 Sep 2026US 12,723,423 B1Sichuan Cootway Technology Co., Ltd.
- Method and apparatus for removing contaminants from a fluid stream25 Aug 2026US 12,715,004 B2Mage LLC
- Methods and systems for continuous pfas destruction1 Oct 2026US 2026/0296928 A1Claros Technologies Inc.
- Assembly providing gravity fed or pump fed curvilinear motion for polymer release and mixing, including centrally mounting multi-outlet nozzle, overflow rim discharge system, and method for passive stormwater treatment using controlled rotational flow17 Sep 2026US 2026/0274719 A1
- Magnetic molecular resonator for water and other fluids20 Aug 2026US 2026/0242259 A1
- Method and apparatus for electrochemical ion exchange13 Aug 2026US 2026/0234032 A1Lithios Inc.
- Electrode composites for electrochemical ion separation from aqueous solutions, and methods thereof13 Aug 2026US 2026/0234825 A1Lithios Inc.
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 treating cooling tower water124US 4,764,283 A1988
- Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes117US 5,954,937 AThe Regents of the University of California · 1999
- Non-fouling flow through capacitor system115US 5,779,891 A1998
- Ozone/ultraviolet water purification111US 4,230,571 A1980