A01C 23/04
Distributing under pressure
Official title: Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
A01C23/04 (Distributing under pressure) appears on 736 US grants and 862 published applications in this corpus.
Search patents in A01C- Granted patents
- 736
- Published applications
- 862
- Assignees
- 343
- Inventors
- 1,451
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 11 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 13 |
| 2003 | 8 | 4 |
| 2004 | 11 | 16 |
| 2005 | 10 | 12 |
| 2006 | 11 | 10 |
| 2007 | 5 | 11 |
| 2008 | 1 | 7 |
| 2009 | 4 | 7 |
| 2010 | 6 | 12 |
| 2011 | 6 | 19 |
| 2012 | 5 | 14 |
| 2013 | 6 | 10 |
| 2014 | 13 | 23 |
| 2015 | 27 | 32 |
| 2016 | 33 | 39 |
| 2017 | 20 | 49 |
| 2018 | 37 | 47 |
| 2019 | 52 | 72 |
| 2020 | 54 | 69 |
| 2021 | 36 | 63 |
| 2022 | 42 | 85 |
| 2023 | 51 | 72 |
| 2024 | 57 | 71 |
| 2025 | 59 | 61 |
| 2026 | 42 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid additive controller system and method for horticultural watering systems22 Sep 2026US 12,740,518 B2
- Sub-surface soil irrigation8 Sep 2026US 12,727,556 B2Irrovate (Pty) Ltd
- System and method for an agricultural applicator8 Sep 2026US 12,728,436 B2CNH Industrial America LLC
- Methods of communicating aspects of AG based operations25 Aug 2026US 12,713,994 B2Kinze Manufacturing, Inc.
- Spraying machine25 Aug 2026US 12,714,087 B2
- Method for reducing nitrogen and phosphorus emission in strawberry cultivation to mitigate continuous cropping obstacles in greenhouse8 Oct 2026US 2026/0305524 A1Shandong Academy of Agricultural Sciences
- On-Boom Sectional Recirculating Injection System8 Oct 2026US 2026/0305596 A1Latitude Limited
- Aerial vehicle management system and aerial vehicle8 Oct 2026US 2026/0310223 A1Kubota Corporation
- A sprayer1 Oct 2026US 2026/0295612 A1IVM IP Pty Ltd
- Liquid distribution systems, crop sprayers, and related methods1 Oct 2026US 2026/0295613 A1Precision Planting LLC
Most cited
By later US patents
- Flow control and operation monitoring system for individual spray nozzles119US 7,311,004 B2Capstan Ag Systems, Inc. · 2007
- Suspension system for a work vehicle93US 6,343,661 B12002
- Self-contained apparatus for admixing a plurality of liquids81US 4,790,454 AS. C. Johnson & Son, Inc. · 1988
- Agricultural product application tracking and control81US 6,522,948 B1Flexi-Coil Ltd. · 2003
- Control system for an agricultural implement72US 6,678,580 B2Case Corporation · 2004