F42D 1/12
Feeding tamping material by pneumatic or hydraulic pressure
F42D1/12 (Feeding tamping material by pneumatic or hydraulic pressure) appears on 9 US grants and 11 published applications in this corpus.
Search patents in F42D- Granted patents
- 9
- Published applications
- 11
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Breaching apparatus for use with explosive charges13US 8,267,013 B2New World Manufacturing, Inc. · 2012
- Hot hole charge system13US 8,820,242 B22014
- Method and apparatus for charging an upwardly oriented hole with a pumpable material10US 8,381,653 B2Maxam Dantex South Africa (Propietary) Limited · 2013
- Method of stemming a blast hole6US 5,253,586 AThe Curators of the University of Missouri · 1993
- Blasting systems and methods1US 10,030,959 B22018