F42D 1/02
Arranging blasting cartridges to form an assembly
Official title: Arranging blasting cartridges to form an assembly (adaptation of blasting cartridges therefor F42B3/02)
F42D1/02 (Arranging blasting cartridges to form an assembly) appears on 109 US grants and 105 published applications in this corpus.
Search patents in F42D- Granted patents
- 109
- Published applications
- 105
- Assignees
- 39
- Inventors
- 147
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 3 |
| 2011 | 4 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 5 |
| 2015 | 4 | 3 |
| 2016 | 10 | 9 |
| 2017 | 6 | 10 |
| 2018 | 3 | 4 |
| 2019 | 12 | 6 |
| 2020 | 1 | 8 |
| 2021 | 3 | 13 |
| 2022 | 11 | 11 |
| 2023 | 9 | 6 |
| 2024 | 11 | 10 |
| 2025 | 6 | 3 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Triggering explosives in holes9 Jun 2026US 12,650,284 B2Olitek Pty Ltd
- Explosive material charging device for charging a borehole method of positioning an explosive material charging device explosive material charging vehicle and data medium5 May 2026US 12,618,657 B2Luossavaara-Kiirunavaara AB
- Perforating jet shaping systems and methods14 Apr 2026US 12,601,572 B2Schlumberger Technology Corporation
- Perforating gun with detonation module24 Mar 2026US 12,584,386 B2Owen Oil Tools LP
- Explosive downhole tools having improved wellbore conveyance and debris properties, methods of using the explosive downhole tools in a wellbore, and explosive units for explosive column tools13 Jan 2026US 12,523,107 B2W.T. Bell International, Inc.
- Triggering explosives in holes17 Sep 2026US 2026/0276352 A1Olitek Pty Ltd
- Systems and methods for using explosive expansion downhole tools to reduce amount of undesirable fluids in hydrocarbons produced via a wellbore14 May 2026US 2026/0132693 A1
- Modular breaching device and kit5 Feb 2026US 2026/0036413 A1
- Perforating jet shaping systems and methods21 Aug 2025US 2025/0264310 A1Schlumberger Technology Corporation
- Downhole system for conveying an explosive tool within a wellbore and reducing damage to other tools of the downhole system12 Jun 2025US 2025/0188810 A1
Most cited
By later US patents
- Firing system for a perforating gun including an exploding foil initiator and an outer housing for conducting wireline current and EFI current131US 5,347,929 ASchlumberger Technology Corporation · 1994
- Detonation command and control92US 9,181,790 B2Los Alamos National Security, LLC · 2015
- Explosive device booster assembly and method of use86US 8,985,023 B2Halliburton Energy Services.Inc. · 2015
- Perforation gun components and system84US 9,702,680 B2DynaEnergetics GmbH & Co. KG · 2017
- Shaped charge mounting system81US 4,312,273 AShaped Charge Specialist, Inc. · 1982