E21C 37/005
Mining or quarrying: other methods or devices for dislodging with or without
Official title: {by projectiles}
E21C37/005 (Mining or quarrying: other methods or devices for dislodging with or without) appears on 10 US grants and 7 published applications in this corpus.
Search patents in E21C- Granted patents
- 10
- Published applications
- 7
- Assignees
- 3
- Inventors
- 13
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Projectile augmented boring system30 Jul 2024US 12,049,825 B2Hypersciences, Inc.
- Projectile drilling system21 May 2024US 11,988,072 B1Hypersciences, Inc.
- Tunneling and mining method using pre-conditioned hole pattern7 May 2024US 11,976,556 B2Hypersciences, Inc.
- Ram accelerator augmented drilling system11 Apr 2023US 11,624,235 B2Hypersciences, Inc.
- Projectile drilling system11 Feb 2020US 10,557,308 B2Hypersciences, Inc.
- Tunneling and mining method using pre-conditioned hole pattern12 May 2022US 2022/0145759 A1Hypersciences, Inc.
- Ram accelerator augmented drilling system24 Feb 2022US 2022/0056763 A1Hypersciences, Inc.
- Projectile augmented boring system20 May 2021US 2021/0148229 A1Hypersciences, Inc.
- Projectile drilling system11 May 2017US 2017/0130531 A1Hypersciences, Inc.
- Ram accelerator system2 Feb 2017US 2017/0030143 A1Hypersciences, Inc.
Most cited
By later US patents
- Method of breaking free-standing rock boulders6US 3,963,275 APhysics International Company · 1976
- Ram accelerator system6US 9,500,419 B2Hypersciences, Inc. · 2016
- Projectile drilling system5US 10,557,308 B2Hypersciences, Inc. · 2020
- Ram accelerator augmented drilling system3US 11,624,235 B2Hypersciences, Inc. · 2023
- Arrangement for orienting rockets moving in liquids1US 4,601,251 ABASF SE · 1986