F41A 9/77
Magazines having a screw conveyor
F41A9/77 (Magazines having a screw conveyor) appears on 15 US grants and 4 published applications in this corpus.
Search patents in F41A- Granted patents
- 15
- Published applications
- 4
- Assignees
- 9
- Inventors
- 17
- Latest grant
- 21 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Magazine21 Nov 2023US 11,821,706 B2Krauss-Maffei Wegmann GmbH & Co. KG
- High capacity projectile loader27 Aug 2019US 10,393,474 B2United Tactical Systems, LLC
- Paintball loader12 Apr 2011US 7,921,834 B2Ancient Innovations Corp.
- Multiple column helical feeder27 Dec 2005US 6,978,776 B2Ancient Innovations Corp.
- Magazine for firearms5 Aug 2003US 6,601,496 B1Otkry{acute over (t)}oe Aktsionernoe Obschestvo “Izltmash”
- Magazine2 Mar 2023US 2023/0065927 A1Krauss-Maffei Wegmann GmbH & Co. KG
- High capacity projectile loader19 Jul 2018US 2018/0202749 A1United Tactical Systems, LLC
- Paintball loader22 Jun 2006US 2006/0130821 A1Ancient Innovations Corp.
- Multiple column helical feeder7 Oct 2004US 2004/0194772 A1Ancient Innovations Corp.
Most cited
By later US patents
- Gun and magazine system83US 4,766,800 A1988
- Large capacity ammunition magazine63US 4,965,951 A1990
- Indexing helical magazine54US 5,520,171 AHelitek · 1996
- Weapon firearm with magazine46US 4,676,137 AKern Instrument & Tooling, Inc. · 1987
- Multiple column helical feeder46US 6,978,776 B2Ancient Innovations Corp. · 2005