B29L 2031/7772
Cartridges
Official title: {Cartridges}
B29L2031/7772 (Cartridges) appears on 28 US grants and 21 published applications in this corpus.
Search patents in B29L- Granted patents
- 28
- Published applications
- 21
- Assignees
- 23
- Inventors
- 55
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 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 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing an ammunition cartridge and ammunition cartridge5 Aug 2025US 12,379,195 B2Companhia Brasileira De Cartuchos
- Method for uniformly sizing polymer cartridge neck11 Mar 2025US 12,247,814 B1True Velocity IP Holdings, LLC
- Magazine with embedded metal insert21 Jan 2025US 12,203,720 B2IMI Defense LTD
- Prefragmented warheads with enhanced performance27 Aug 2024US 12,072,171 B1Northrop Grumman Systems Corporation
- Thermoplastic canister2 Jul 2024US 12,025,405 B2Rafael Advanced Defense Systems Ltd.
- Polymer ammunition casing mold and manufacturing method16 Jul 2026US 2026/0200148 A1Innovative Performance Applications, LLC
- Method for manufacturing an ammunition cartridge and ammunition cartridge30 Oct 2025US 2025/0334387 A1Companhia Brasileira De Cartuchos
- Method for uniformly sizing polymer cartridge neck26 Jun 2025US 2025/0207897 A1True Velocity IP Holdings, LLC
- Magazine with Embedded Metal Insert3 Apr 2025US 2025/0109920 A1IMI Defense LTD
- Magazine with Embedded Metal Insert4 Jul 2024US 2024/0219134 A1IMI Defense LTD
Most cited
By later US patents
- Lead free, composite polymer based bullet and method of manufacturing288US 7,204,191 B2Polytech Ammunition Company · 2007
- Composite polymer based cartridge case having an overmolded metal cup, polymer plug base assembly282US 7,213,519 B2Polytech Ammunition Company · 2007
- High strength polymer-based cartridge casing and manufacturing method256US 8,443,730 B2PCP Tactical, LLC · 2013
- Adhesive lip for a high strength polymer-based cartridge casing and manufacturing method224US 8,875,633 B2PCP Tactical, LLC · 2014
- Method of molding a dual plastic shotshell casing186US 5,021,206 AOlin Corporation · 1991