A01D 19/04
Digging machines with centrifugal wheels, drums or spinners: with working tools rotating
Official title: with working tools rotating around a horizontal axis arranged parallel to the direction of travel
A01D19/04 (Digging machines with centrifugal wheels, drums or spinners: with working tools rotating) appears on 3 US grants and 3 published applications in this corpus.
Search patents in A01D- Granted patents
- 3
- Published applications
- 3
- Assignees
- 1
- Inventors
- 4
- Latest grant
- 13 Dec 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Continuous longitudinal flow root crop harvesting13 Dec 2011US 8,074,434 B2Art's-Way Manufacturing Co., Inc.
- Continuous longitudinal flow root crop harvesting23 Jan 2007US 7,165,628 B2Art's-Way Manufacturing Co., Inc.
- Apparatus for collecting potatoes and other root vegetables30 Jan 1990US 4,896,729 A
Most cited
By later US patents