B01D 21/2444
Discharge mechanisms for the classified liquid
Official title: {Discharge mechanisms for the classified liquid}
B01D21/2444 (Discharge mechanisms for the classified liquid) appears on 555 US grants and 411 published applications in this corpus.
Search patents in B01D- Granted patents
- 555
- Published applications
- 411
- Assignees
- 324
- Inventors
- 945
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 16 | 0 |
| 1997 | 24 | 0 |
| 1998 | 25 | 0 |
| 1999 | 20 | 0 |
| 2000 | 21 | 0 |
| 2001 | 21 | 2 |
| 2002 | 12 | 13 |
| 2003 | 16 | 17 |
| 2004 | 10 | 14 |
| 2005 | 12 | 19 |
| 2006 | 14 | 12 |
| 2007 | 11 | 16 |
| 2008 | 8 | 10 |
| 2009 | 13 | 16 |
| 2010 | 14 | 10 |
| 2011 | 11 | 14 |
| 2012 | 8 | 5 |
| 2013 | 9 | 12 |
| 2014 | 7 | 18 |
| 2015 | 3 | 18 |
| 2016 | 6 | 25 |
| 2017 | 18 | 18 |
| 2018 | 17 | 24 |
| 2019 | 18 | 21 |
| 2020 | 21 | 25 |
| 2021 | 28 | 27 |
| 2022 | 23 | 17 |
| 2023 | 23 | 22 |
| 2024 | 13 | 14 |
| 2025 | 12 | 11 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Blood processing systems and methods with sensors to detect contamination due to presence of cellular components or dilution due to presence of plasma158US 6,348,156 B1Baxter International Inc. · 2002
- Swimming pool control system134US 5,730,861 A1998
- Apparatus and method for receiving, draining and disposing of dredged material109US 4,975,205 ASubaqueous Services, Inc. · 1990
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