F42D 3/04
Particular applications of blasting techniques: for rock blasting
Official title: for rock blasting
F42D3/04 (Particular applications of blasting techniques: for rock blasting) appears on 230 US grants and 286 published applications in this corpus.
Search patents in F42D- Granted patents
- 230
- Published applications
- 286
- Assignees
- 132
- Inventors
- 534
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 6 |
| 2005 | 2 | 4 |
| 2006 | 3 | 6 |
| 2007 | 1 | 8 |
| 2008 | 4 | 9 |
| 2009 | 1 | 6 |
| 2010 | 5 | 15 |
| 2011 | 6 | 6 |
| 2012 | 6 | 10 |
| 2013 | 11 | 14 |
| 2014 | 11 | 16 |
| 2015 | 10 | 9 |
| 2016 | 11 | 14 |
| 2017 | 12 | 8 |
| 2018 | 3 | 9 |
| 2019 | 13 | 14 |
| 2020 | 10 | 16 |
| 2021 | 10 | 24 |
| 2022 | 23 | 12 |
| 2023 | 10 | 24 |
| 2024 | 25 | 28 |
| 2025 | 24 | 17 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for managing blasting design on basis of GNSS15 Sep 2026US 12,736,319 B2Hanwha Corporation
- Blast determination system21 Jul 2026US 12,687,379 B2Dyno Nobel Inc.
- Method for evaluating deep-buried tunnel blasting parameters23 Jun 2026US 12,663,248 B2Sichuan University
- Apparatus and method for operating blasting management application2 Jun 2026US 12,646,019 B2Hanwha Corporation
- 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
- Systems for delivering explosives and methods related thereto17 Sep 2026US 2026/0276360 A1Dyno Nobel Inc.
- Mechanically gassed emulsion explosives and related methods and systems13 Aug 2026US 2026/0234078 A1Dyno Nobel Inc.
- Rockburst control method for advanced blasting pressure relief of tunnel face under asymmetric high stress30 Jul 2026US 2026/0218613 A1Northeastern University
- Wireless detonator consolidation30 Jul 2026US 2026/0219017 A1
- Apparatus for drilling and positioning a collar support sleeve into a blast hole16 Jul 2026US 2026/0201778 A1
Most cited
By later US patents
- Wireless detonator assemblies, and corresponding networks108US 7,929,270 B2Orica Explosives Technology Pty Ltd · 2011
- Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof98US 8,395,878 B2Orica Explosives Technology Pty Ltd · 2013
- Wireless electronic booster, and methods of blasting97US 7,778,006 B2Orica Explosives Technology Pty Ltd · 2010
- Device for verifying detonator connection95US 8,695,506 B2Baker Hughes Incorporated · 2014
- Detonation command and control92US 9,181,790 B2Los Alamos National Security, LLC · 2015