B21D 51/54
Cartridge cases
Official title: cartridge cases, e.g. for ammunition, for letter carriers in pneumatic-tube plants
B21D51/54 (Cartridge cases) appears on 29 US grants and 20 published applications in this corpus.
Search patents in B21D- Granted patents
- 29
- Published applications
- 20
- Assignees
- 20
- Inventors
- 57
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 3 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Press with micrometer adjustable ram15 Oct 2024US 12,117,278 B1
- Method for producing multi-component cases25 Oct 2022US 11,480,416 B2Rabuffo SA
- Processes for producing a sleeve for an electrode for medical applications2 Nov 2021US 11,161,165 B2Heraeus Deutschland GmbH & Co. KG
- Adjustable case resizing20 Jul 2021US 11,067,375 B1
- Method for producing multi-component cases15 Dec 2020US 10,866,073 B2
- Method for producing multi-component cases18 Feb 2021US 2021/0048279 A1Rabuffo SA
- Method for producing multi-component cases13 Jun 2019US 2019/0178615 A1
- Ammunition production6 Sep 2018US 2018/0250731 A1BAE SYSTEMS plc
- Electrochemical cell and manufacturing method of the electrochemical cell24 May 2018US 2018/0145284 A1Seiko Instruments Inc.
- Processes for producing a sleeve for an electrode for medical applications25 May 2017US 2017/0143220 A1Heraeus Deutschland GmbH & Co. KG
Most cited
By later US patents
- Method of and apparatus for fabricating spiral wrapped cartridge cases25US 4,183,124 AKisco · 1980
- Apparatus for making cups18US 5,243,743 A1993
- Method for drawing heavy wall shells with a multi-step inside edge12US 4,562,719 AVerson Allsteel Press Company · 1986
- Device for reducing the eccentricity and non-uniformities among cartridge cases11US 6,397,718 B22002
- Process for producing tubular articles10US 4,198,843 A1980