F42D 1/20
Tamping cartridges, i.e. cartridges containing tamping material
Official title: Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F42B3/087)
F42D1/20 (Tamping cartridges, i.e. cartridges containing tamping material) appears on 24 US grants and 25 published applications in this corpus.
Search patents in F42D- Granted patents
- 24
- Published applications
- 25
- Assignees
- 20
- Inventors
- 36
- Latest grant
- 5 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 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 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 3 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Breaching device with tamping gel5 Nov 2024US 12,135,199 B2Esoteric, LLC
- Tamp for explosive material7 Nov 2023US 11,808,559 B2River Front Services, Inc.
- Compact energetic-breaching apparatus8 Aug 2023US 11,719,517 B2P3D Solutions, Inc.
- Fluid release mechanism for a chemically-inflatable bag23 Aug 2022US 11,421,495 B2Stemlock, Incorporated
- Compact energetic-breaching apparatus22 Feb 2022US 11,255,646 B2P3D Solutions, Inc.
- Breaching Device with Tamping Gel14 May 2026US 2026/0133020 A1Esoteric, LLC
- Breaching Device with Tamping Gel1 Sep 2022US 2022/0276036 A1Esoteric, LLC
- Compact energetic-breaching apparatus2 Jun 2022US 2022/0170721 A1P3D Solutions, Inc.
- Tamp for explosive material2 Sep 2021US 2021/0270589 A1River Front Services, Inc.
- Compact energetic-breaching apparatus29 Jul 2021US 2021/0231416 A1P3D Solutions, Inc.
Most cited
By later US patents
- Process for use in blasting in situ retorts and the like20US 4,464,993 AGulf Oil Corporation · 1984
- Blasting method and blasting accessory20US 7,387,071 B2International Technologies, LLC · 2008
- Inflatable rubber blasting hole plug19US 4,660,644 A1987
- Cartridge for bulling mine holes17US 4,470,352 ASociete Bourguignonne d'Applications Plastiques (Societe Anonyme) · 1984
- Breaching apparatus for use with explosive charges13US 8,267,013 B2New World Manufacturing, Inc. · 2012