C02F 2301/043
Treatment of partial or bypass streams
C02F2301/043 (Treatment of partial or bypass streams) appears on 549 US grants and 810 published applications in this corpus.
Search patents in C02F- Granted patents
- 549
- Published applications
- 810
- Assignees
- 472
- Inventors
- 1,727
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 3 |
| 2002 | 4 | 6 |
| 2003 | 4 | 16 |
| 2004 | 7 | 11 |
| 2005 | 7 | 22 |
| 2006 | 6 | 24 |
| 2007 | 16 | 21 |
| 2008 | 17 | 22 |
| 2009 | 6 | 22 |
| 2010 | 9 | 21 |
| 2011 | 14 | 32 |
| 2012 | 18 | 21 |
| 2013 | 11 | 37 |
| 2014 | 17 | 24 |
| 2015 | 20 | 36 |
| 2016 | 20 | 45 |
| 2017 | 23 | 36 |
| 2018 | 28 | 48 |
| 2019 | 27 | 35 |
| 2020 | 48 | 44 |
| 2021 | 35 | 50 |
| 2022 | 30 | 44 |
| 2023 | 29 | 50 |
| 2024 | 28 | 53 |
| 2025 | 41 | 48 |
| 2026 | 28 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Methods and systems for improved dosing of a chemical treatment, such as chlorine dioxide, into a fluid stream, such as a wastewater stream595US 6,949,196 B2Fkos, LLC · 2005
- Method and apparatus for controlling microorganisms112US 5,424,032 ADiversey, Inc. · 1995
- Electrolytic method and cell for sterilizing water101US 4,761,208 ALos Alamos Technical Associates, Inc. · 1988
- Method and system for purifying liquid88US 3,985,648 AAlmag Pollution Control Corporation · 1976
- Water processor having automatic shutoff and bypass means87US 4,681,677 AOlin Corporation · 1987