F42D 3/00
Particular applications of blasting techniques
Official title: Particular applications of blasting techniques {(explosive welding B23K20/08; explosive bolts or actuators F42B3/006; explosive valves F16K13/06; cutting devices actuated by explosion B23D15/145; pyrotechnical actuators F15B15/19; switching devices actuated by explosion H01H39/00)}
F42D3/00 (Particular applications of blasting techniques) appears on 473 US grants and 474 published applications in this corpus.
Search patents in F42D- Granted patents
- 473
- Published applications
- 474
- Assignees
- 242
- Inventors
- 934
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 14 | 2 |
| 2002 | 13 | 5 |
| 2003 | 6 | 5 |
| 2004 | 3 | 11 |
| 2005 | 3 | 8 |
| 2006 | 6 | 12 |
| 2007 | 2 | 11 |
| 2008 | 7 | 12 |
| 2009 | 6 | 14 |
| 2010 | 10 | 23 |
| 2011 | 16 | 21 |
| 2012 | 17 | 28 |
| 2013 | 27 | 24 |
| 2014 | 20 | 23 |
| 2015 | 19 | 18 |
| 2016 | 22 | 32 |
| 2017 | 24 | 17 |
| 2018 | 11 | 13 |
| 2019 | 24 | 25 |
| 2020 | 16 | 28 |
| 2021 | 21 | 29 |
| 2022 | 32 | 21 |
| 2023 | 13 | 27 |
| 2024 | 38 | 32 |
| 2025 | 28 | 20 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Avalanche triggering apparatus15 Sep 2026US 12,736,318 B2
- Apparatus and method for managing blasting design on basis of GNSS15 Sep 2026US 12,736,319 B2Hanwha Corporation
- Workpiece processing apparatus and method for processing workpiece11 Aug 2026US 12,705,727 B2Sintokogio, Ltd.
- 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
- 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
- Avalanche triggering apparatus23 Jul 2026US 2026/0210685 A1Alpine Infrastructure Inc.
Most cited
By later US patents
- Debris-free perforating apparatus and technique110US 7,775,279 B2Schlumberger Technology Corporation · 2010
- 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