A01C 15/124
With adjustable shutters or slits
Official title: {with adjustable shutters or slits}
A01C15/124 (With adjustable shutters or slits) appears on 18 US grants and 14 published applications in this corpus.
Search patents in A01C- Granted patents
- 18
- Published applications
- 14
- Assignees
- 15
- Inventors
- 43
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Agricultural machines having sectional control, and related systems and methods31 Mar 2026US 12,588,583 B2Precision Planting LLC
- Sectional control funnel box23 Jul 2024US 12,041,868 B2Intelligent Agricultural Solutions LLC
- Variable-size and variable-amount topdressing device21 May 2024US 11,985,916 B2Qingdao Agricultural University
- System for unloading particulate material from an agricultural machine8 Nov 2022US 11,490,567 B2CNH Industrial America LLC
- Walk-behind power seeder26 Jul 2022US 11,395,453 B1Stinger Equipment, Inc.
- Agricultural Machines Having Sectional Control, and Related Systems and Methods10 Oct 2024US 2024/0334865 A1Intelligent Agricultural Solutions LLC
- Method And Device For Creating A Polysystem For Mixing Seeds And Fertilizers8 Aug 2024US 2024/0261740 A1Obschestvo s Ogranichennoi otvetstvennostyu "LILIANI" (OOO "LILIANI")
- Variable-size and variable-amount topdressing device28 Mar 2024US 2024/0099183 A1Qingdao Agricultural University
- Walk-Behind Power Seeder10 Nov 2022US 2022/0354045 A1Stinger Equipment, Inc.
- Tow-Behind Rotary Spreader Driver Seat Operated Discharge Chute Control5 Aug 2021US 2021/0239237 A1
Most cited
By later US patents
- Ground control system51US 4,422,562 ARawson Control Systems, Inc. · 1983
- Method and apparatus for placing dry or liquid materials into the soil subsurface without tillage tools29US 5,605,105 AGreat Plains Manufacturing, Inc. · 1997
- Vehicle-mountable particle spreader10US 6,752,328 B22004
- Fine material distributor8US 5,170,948 AMillcreek Manufacturing · 1992
- Agricultural spreader8US 6,905,077 B22005