A01F 15/04
Plunger presses
A01F15/04 (Plunger presses) appears on 303 US grants and 302 published applications in this corpus.
Search patents in A01F- Granted patents
- 303
- Published applications
- 302
- Assignees
- 63
- Inventors
- 332
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 0 |
| 2005 | 2 | 5 |
| 2006 | 3 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 6 |
| 2011 | 4 | 2 |
| 2012 | 3 | 3 |
| 2013 | 0 | 7 |
| 2014 | 5 | 5 |
| 2015 | 4 | 23 |
| 2016 | 15 | 33 |
| 2017 | 16 | 30 |
| 2018 | 30 | 29 |
| 2019 | 30 | 23 |
| 2020 | 25 | 28 |
| 2021 | 29 | 36 |
| 2022 | 18 | 10 |
| 2023 | 17 | 15 |
| 2024 | 24 | 19 |
| 2025 | 13 | 6 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Square baler implement with two speed drivetrain28 Jul 2026US 12,690,524 B2Deere & Company
- Bale handling system for high capacity baler14 Jul 2026US 12,677,752 B2Great Plains Manufacturing, Inc.
- Agricultural baler with flake prediction for bale length control7 Jul 2026US 12,674,654 B2CNH Industrial America LLC
- Square baler23 Jun 2026US 12,660,760 B2Kuhn-Geldrop BV
- Gear assembly for a square baler12 May 2026US 12,622,360 B2Usines CLAAS France S.A.S
- Large square baler drivetrain health monitoring system10 Sep 2026US 2026/0262575 A1Deere & Company
- Double Baler Having Bale Chamber Center Flow Restrictors30 Jul 2026US 2026/0215370 A1AGCO Corporation
- Agricultural Baler30 Jul 2026US 2026/0215372 A1AGCO Corporation
- Baler Gearbox Output Shaft Flywheels30 Jul 2026US 2026/0215373 A1AGCO Corporation
- Double Baler Chamber Divider2 Jul 2026US 2026/0182500 A1AGCO Corporation
Most cited
By later US patents
- Mobile apparatus for the infield handling of fibrous material40US 4,548,131 A1985
- Agricultural machine, in particular self-propelled large baler38US 5,752,374 ASAME S.p.A. · 1998
- Large bale hay baler36US 4,951,452 AEzra C. Lundahl, Inc. · 1990
- Plunger hay baler35US 4,569,282 ARegie Nationale des Usines Renault · 1986
- Baler display device35US 6,474,228 B1New Holland North America, Inc. · 2002