A01G 9/20
Forcing-frames
Official title: Forcing-frames; Lights {, i.e. glass panels covering the forcing-frames}
A01G9/20 (Forcing-frames) appears on 229 US grants and 328 published applications in this corpus.
Search patents in A01G- Granted patents
- 229
- Published applications
- 328
- Assignees
- 153
- Inventors
- 452
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 7 |
| 2012 | 0 | 2 |
| 2013 | 1 | 6 |
| 2014 | 3 | 6 |
| 2015 | 2 | 6 |
| 2016 | 8 | 29 |
| 2017 | 11 | 37 |
| 2018 | 32 | 69 |
| 2019 | 38 | 53 |
| 2020 | 36 | 31 |
| 2021 | 32 | 17 |
| 2022 | 17 | 19 |
| 2023 | 12 | 14 |
| 2024 | 15 | 13 |
| 2025 | 9 | 6 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for high-density indoor farming12 May 2026US 12,622,366 B280 Acres Urban Agriculture, Inc.
- Plant growing apparatus24 Mar 2026US 12,582,051 B2BG Technologies Inc
- Pod and plant cultivation apparatus having same17 Feb 2026US 12,550,829 B2LG Electronics Inc.
- Light source for plant cultivation6 Jan 2026US 12,514,170 B2Seoul Semiconductor Co., Ltd.
- Method and apparatus for a horticultural light fixture6 Jan 2026US 12,520,399 B2Scynce LED LLC
- Method and apparatus for an adaptable vehicle light fixture8 Oct 2026US 2026/0313768 A1Nacho LED LLC
- Raised bed structure improvements16 Jul 2026US 2026/0198431 A1
- Stacked raised bed structure2 Jul 2026US 2026/0182503 A1
- Plant growing apparatus21 May 2026US 2026/0137036 A1BG Technologies Inc
- Light-transmitting panel for buildings and method of using same21 May 2026US 2026/0139484 A1
Most cited
By later US patents
- Rotating induction grow light system38US 9,451,743 B2GGT Holdings Las Vegas Inc. · 2016
- Grow light fan33US 9,901,039 B12018
- Agricultural apparatus and method26US 10,136,587 B12018
- Photon modulation management system23US 9,526,215 B2Xiant Technologies, Inc. · 2016
- Shading unit for plant propagation22US 4,099,344 A1978