A01D 33/04
Stone-separating mechanisms
A01D33/04 (Stone-separating mechanisms) appears on 29 US grants and 14 published applications in this corpus.
Search patents in A01D- Granted patents
- 29
- Published applications
- 14
- Assignees
- 23
- Inventors
- 43
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for cleaning narrow root crops, a corresponding cleaning apparatus, a harvesting and cleaning machine and a method28 Apr 2026US 12,610,881 B2Exel Industries
- Root crop harvester30 Dec 2025US 12,507,616 B2Grimme Landmaschinenfabrik GmbH & Co. KG
- Method for operating a machine for harvesting and/or separating root crops, associated machine and associated computer program product7 Oct 2025US 12,433,190 B2Grimme Landmaschinenfabrik GmbH & Co. KG
- Method for controlling the operation of a machine for harvesting root crop20 May 2025US 12,302,781 B2Grimme Landmaschinenfabrik GmbH & Co. KG
- Root crop washer2 Apr 2019US 10,244,784 B2
- Device for separating crops from debris9 Jul 2026US 2026/0192335 A1Agec AB
- Root crop harvester8 Jun 2023US 2023/0172099 A1Grimme Landmaschinenfabrik GmbH & Co. KG
- Method for operating a machine for harvesting and/or separating root crops, associated machine and associated computer program product16 Mar 2023US 2023/0080863 A1Grimme Landmaschinenfabrik GmbH & Co. KG
- An apparatus for cleaning narrow root crops, a corresponding cleaning apparatus, a harvesting and cleaing machine and a method4 Aug 2022US 2022/0240443 A1Exel Industries
- Method for controlling the operation of a machine for harvesting root crop9 Dec 2021US 2021/0378170 A1Grimme Landmaschinenfabrik GmbH & Co. KG
Most cited
By later US patents
- Method and apparatus for examining objects49US 4,351,437 ALockwood Graders (UK) Limited · 1982
- Load sensitive, variable speed mechanical dynamics adjusting system24US 6,621,014 B1E. M. Tanner & Sons, Inc. · 2003
- Apparatus and method for improving density uniformity of a fluidized bed medium, and/or for improved material fluidized bed sorting23US 5,244,099 ACamas International, Inc. · 1993
- Sorting apparatus for potatoes and the like21US 4,281,764 AFMC Corporation · 1981
- Sorting system and apparatus12US 4,176,750 AOhio Agricultural Research and Development Center · 1979