F42D 1/06
Relative timing of multiple charges
Official title: Relative timing of multiple charges ({F42D1/043 and } F42D1/055 take precedence)
F42D1/06 (Relative timing of multiple charges) appears on 53 US grants and 40 published applications in this corpus.
Search patents in F42D- Granted patents
- 53
- Published applications
- 40
- Assignees
- 27
- Inventors
- 72
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 4 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 5 |
| 2017 | 7 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 4 |
| 2020 | 2 | 3 |
| 2021 | 2 | 5 |
| 2022 | 4 | 1 |
| 2023 | 1 | 1 |
| 2024 | 4 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Connector for use with detonation devices23 Jun 2026US 12,663,247 B1Breacher's Hardware LLC
- Method for reducing blasting vibration of tunneling29 Apr 2025US 12,287,187 B2China Mcc5 Group Corp. Ltd
- Device and method thereof for operating stemming rod used for blasting and configured to include information collection function26 Nov 2024US 12,152,868 B2Hanwha Corporation
- Blasting plan logger, related methods and computer program products18 Jun 2024US 12,013,222 B2Pyylahti Oy
- Apparatus and method for controlling detonator blasting based on danger radius18 Jun 2024US 12,013,223 B2Hanwha Corporation
- Device and method thereof for operating stemming rod used for blasting and configured to include information collection function11 Jul 2024US 2024/0230301 A1Hanwha Corporation
- Apparatus and method for controlling detonator blasting based on danger radius8 Feb 2024US 2024/0044631 A1Hanwha Corporation
- Method for Reducing Blasting Vibration of Tunneling28 Sep 2023US 2023/0304888 A1China Mcc5 Group Corp. Ltd
- Detonator, method of operating same, and communication system for same3 Feb 2022US 2022/0034640 A1Hanwha Corporation
- Device and method for providing converted blasting pattern coordinate2 Dec 2021US 2021/0372758 A1Hanwha Corporation
Most cited
By later US patents
- Wellbore gun perforating system and method124US 9,194,219 B1Geodynamics, Inc. · 2015
- Well bore perforating apparatus92US 4,191,265 ASchlumberger Technology Corporation · 1980
- Nonelectric blasting initiation signal control system, method and transmission device therefor47US 4,757,764 AThe Ensign-Bickford Company · 1988
- Modular time delay for actuating wellbore devices and methods for using same39US 7,721,650 B2Owen Oil Tools LP · 2010
- Method and apparatus for firing multisection perforating guns35US 4,598,776 ABaker Oil Tools, Inc. · 1986