F41A 23/46
Trail spades
F41A23/46 (Trail spades) appears on 8 US grants and 3 published applications in this corpus.
Search patents in F41A- Granted patents
- 8
- Published applications
- 3
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 20 May 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Field gun aim20 May 2014US 8,726,784 B2BAE SYSTEMS plc
- Field howitzers22 Nov 2011US 8,061,259 B1BAE SYSTEMS plc
- Field gun tow20 Sep 2011US 8,020,484 B2BAE SYSTEMS plc
- Field gun aim6 Sep 2011US 8,011,286 B2BAE SYSTEMS plc
- Self-compensating spade assembly6 Jan 2004US 6,672,196 B1Ordinance Development and Engineering Company of Singapore (1996) Pte Ltd.
Most cited
By later US patents
- Field howitzers16US 6,024,007 AVickers Shipbuilding & Engineering Limited · 2000
- Field howitzers11US 6,178,866 B2Vickers Shipbuilding & Engineering Limited · 2001
- Cable tension sensing apparatus6US 4,679,771 AHarsco Corporation · 1987
- Field howitzers3US 8,061,259 B1BAE SYSTEMS plc · 2011
- Self-compensating spade assembly2US 6,672,196 B1Ordinance Development and Engineering Company of Singapore (1996) Pte Ltd. · 2004