F42D 1/28
Tamping with gelling agents
F42D1/28 (Tamping with gelling agents) appears on 8 US grants and 8 published applications in this corpus.
Search patents in F42D- Granted patents
- 8
- Published applications
- 8
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gel stemming delivery system3 Jun 2025US 12,320,626 B2PWS - Stemsafe JV Pty Ltd
- Breaching device with tamping gel5 Nov 2024US 12,135,199 B2Esoteric, LLC
- Breaching device with tamping gel21 Dec 2021US 11,204,227 B2Esoteric, LLC
- Blasting method and system13 Jul 2021US 11,060,832 B2Pws Systems Pty Ltd
- Composition and method for blast hole loading5 Mar 2019US 10,222,191 B2Blast Boss PTY LTD
- Breaching Device with Tamping Gel14 May 2026US 2026/0133020 A1Esoteric, LLC
- Blasthole stemming based on formaldehyde resins, system and charging method20 Nov 2025US 2025/0354790 A1Oxiquim S.A.
- Gel stemming delivery system1 Dec 2022US 2022/0381544 A1PWS - Stemsafe JV Pty Ltd
- Breaching Device with Tamping Gel1 Sep 2022US 2022/0276036 A1Esoteric, LLC
- Breaching device with tamping gel22 Apr 2021US 2021/0116225 A1Esoteric, LLC
Most cited
By later US patents
- Method of breaking slabs and explosive shock transmitting and moderating composition for use therein9US 5,900,578 A1999
- Method of breaking slabs and blocks of rock from rock formations and explosive shock transmitting and moderating composition for use therein7US 5,810,098 A1998
- Blasting systems and methods1US 10,030,959 B22018
- Composition and method for blast hole loading1US 10,222,191 B2Blast Boss PTY LTD · 2019
- Breaching device with tamping gel1US 11,204,227 B2Esoteric, LLC · 2021