A01G 31/065
With means for recycling the nutritive solution
Official title: {with means for recycling the nutritive solution}
A01G31/065 (With means for recycling the nutritive solution) appears on 205 US grants and 377 published applications in this corpus.
Search patents in A01G- Granted patents
- 205
- Published applications
- 377
- Assignees
- 200
- Inventors
- 618
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 2 | 21 |
| 2017 | 9 | 28 |
| 2018 | 14 | 33 |
| 2019 | 16 | 47 |
| 2020 | 20 | 43 |
| 2021 | 17 | 49 |
| 2022 | 25 | 38 |
| 2023 | 25 | 41 |
| 2024 | 15 | 33 |
| 2025 | 21 | 20 |
| 2026 | 15 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents