A01D 34/24
Lifting devices for the cutter-bar
A01D34/24 (Lifting devices for the cutter-bar) appears on 49 US grants and 52 published applications in this corpus.
Search patents in A01D- Granted patents
- 49
- Published applications
- 52
- Assignees
- 26
- Inventors
- 106
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 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 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 4 |
| 2020 | 4 | 9 |
| 2021 | 2 | 7 |
| 2022 | 7 | 5 |
| 2023 | 3 | 10 |
| 2024 | 8 | 5 |
| 2025 | 6 | 6 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ground pressure feedback sensor system for controlling header float1 Sep 2026US 12,721,255 B2CNH Industrial America LLC
- Independent front platform for agricultural machines and agricultural harvester26 May 2026US 12,635,600 B2CNH Industrial Brasil Ltda.
- Electric mower31 Mar 2026US 12,588,599 B2Kubota Corporation
- Calibration of harvesting head having a ground force sensing system3 Feb 2026US 12,538,865 B2CNH Industrial America LLC
- Lawn mower and machine apparatus and method with storage features13 Jan 2026US 12,520,752 B2Honda Motor Co., Ltd.
- Lawn mower17 Sep 2026US 2026/0271827 A1Changzhou Lymow Technology Co., Ltd.
- Lifting system for an agricultural implement20 Nov 2025US 2025/0351772 A1MacDon Industries Ltd.
- Adjustable link for a flex wing cutter30 Oct 2025US 2025/0331450 A1Oregon Tool, Inc.
- Agricultural header float arm position and pressure control system16 Oct 2025US 2025/0318462 A1
- Agricultural header float arm position and pressure control system16 Oct 2025US 2025/0318463 A1
Most cited
By later US patents
- Header suspension and lift means36US 4,137,696 ASperry Rand Corporation · 1979
- Mounting apparatus for offset mower36US 4,183,195 ATerrain King Corporation · 1980
- Rotary mower with automatic engine cut off33US 5,435,117 A1995
- Rotary mower having ground supported frames27US 4,538,400 AAllied Products Corporation · 1985
- Motorized lawn mower system with a belt driven raiseable and lowerable trimming cord device which is raiseable from an extended horizontal operating position to a raised inboard position27US 5,040,360 A1991