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A01G 2/20

Layering

A01G2/20 (Layering) appears on 21 US grants and 21 published applications in this corpus.

Search patents in A01G

Granted patents: 21
Published applications: 21
Assignees: 7
Inventors: 59
Latest grant: 12 Aug 2025

Filings by year

A01G 2/20: granted patents and published applications per publication year
Year	Granted patents	Published applications
1979	1	0
1980	2	0
1981	0	0
1982	0	0
1983	1	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	1	0
1991	0	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	0	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	0
2010	0	1
2011	0	0
2012	3	0
2013	0	2
2014	1	0
2015	2	1
2016	0	0
2017	0	3
2018	1	8
2019	2	1
2020	2	0
2021	2	2
2022	0	0
2023	0	0
2024	2	3
2025	1	0

By publication year. Applications have been published since 2001.

Recent patents

Tree rooting enclosure apparatus12 Aug 2025US 12,382,876 B2
Plant cutting and clone-growth device and related methods22 Oct 2024US 12,120,988 B2
Tree rooting enclosure apparatus11 Jun 2024US 12,004,455 B2
Control and sensor systems for an environmentally controlled vertical farming system13 Apr 2021US 10,973,185 B2
Aeroponics system with rack and tray13 Apr 2021US 10,973,186 B2EZ-Clone Enterprises, Inc.

Most cited

By later US patents