A01D 87/00
Loaders for hay or like field crops
Official title: Loaders for hay or like field crops (combined with mowers A01D43/06)
A01D87/00 (Loaders for hay or like field crops) appears on 553 US grants and 299 published applications in this corpus.
Search patents in A01D- Granted patents
- 553
- Published applications
- 299
- Assignees
- 163
- Inventors
- 836
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 28 | 0 |
| 1978 | 24 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 23 | 0 |
| 1982 | 14 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 21 | 0 |
| 1986 | 20 | 0 |
| 1987 | 12 | 0 |
| 1988 | 15 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 16 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 5 | 3 |
| 2002 | 2 | 9 |
| 2003 | 5 | 7 |
| 2004 | 5 | 11 |
| 2005 | 7 | 14 |
| 2006 | 9 | 8 |
| 2007 | 4 | 6 |
| 2008 | 7 | 9 |
| 2009 | 4 | 19 |
| 2010 | 5 | 11 |
| 2011 | 12 | 15 |
| 2012 | 7 | 16 |
| 2013 | 15 | 14 |
| 2014 | 8 | 12 |
| 2015 | 9 | 9 |
| 2016 | 10 | 11 |
| 2017 | 8 | 15 |
| 2018 | 11 | 14 |
| 2019 | 8 | 12 |
| 2020 | 14 | 20 |
| 2021 | 18 | 18 |
| 2022 | 17 | 16 |
| 2023 | 11 | 5 |
| 2024 | 7 | 10 |
| 2025 | 6 | 8 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A01D 87/12Loaders for sheaves, stacks or bales410
- A01D 87/0053Tractor-mounted loaders80
- A01D 87/10Loaders for hay or like field crops: with blowers27
- A01D 87/02Loaders for hay or like field crops: with conveyor belts or conveyor20
- A01D 87/003Loaders for hay or like field crops: with gripping or clamping devices19
- A01D 87/0046Distributing devices at the delivery side of loaders11
- A01D 87/0007Loaders for hay or like field crops: with chopping devices10
- A01D 87/0038Dumpboxes or metering devices for loading or unloading7
All 12 subgroupsShow fewer
Recent patents
- Bale feeder with elevator platform25 Aug 2026US 12,714,026 B2Profile Products L.L.C.
- Bale slicer bucket, mounting method, and assembly9 Jun 2026US 12,648,524 B1Russell Creek Engineering, LLC
- Side loading a hay bale2 Jun 2026US 12,642,182 B2Pomme de Terre River Valley Products and Consulting, LLC
- Truck bed loader21 Apr 2026US 12,604,811 B1
- Method and apparatus for loader positioning and load handling using vision system21 Apr 2026US 12,606,089 B2Deere & Company
- Method for picking up crop bales23 Jul 2026US 2026/0206669 A1Maschinenfabrik Bernard Krone GmbH
- Utility Vehicle Hay Fork Attachment Device23 Jul 2026US 2026/0206684 A1
- Method of controlling the movement of a bale mover in a working area16 Jul 2026US 2026/0198399 A1Vermeer Manufacturing Company
- Bale movers16 Jul 2026US 2026/0198426 A1Vermeer Manufacturing Company
- Hay Bale RFID Reader Antenna Configuration19 Feb 2026US 2026/0047529 A1AGCO Corporation
Most cited
By later US patents
- Knock-down construction for front end loader66US 4,576,543 AKMW Products Limited · 1986
- Spear-type tractor-attached hay bale pickup device54US 4,120,405 AFour Star Corporation · 1978
- Bale loader and shredder51US 3,999,674 AInternational Harvester Company · 1976
- Dispersing machine for large bales46US 4,524,916 AFinn Corporation · 1985
- Bale loader, handler and feeder44US 4,789,289 A1988