E21D 9/126
Loading devices or installations
Official title: {Loading devices or installations (loading platforms E21D9/122; soil-shifting machines E02F3/00)}
E21D9/126 (Loading devices or installations) appears on 45 US grants and 20 published applications in this corpus.
Search patents in E21D- Granted patents
- 45
- Published applications
- 20
- Assignees
- 27
- Inventors
- 82
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 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 | 1 |
| 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 5 |
| 2018 | 2 | 3 |
| 2019 | 5 | 1 |
| 2020 | 4 | 0 |
| 2021 | 0 | 3 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 3 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Mining machine with articulating boom and independent material handling system19 Jul 2022US 11,391,149 B2Joy Global Underground Mining LLC
- Tunnel construction method and machine9 Apr 2026US 2026/0098474 A1MACCAFERRI TUNNELING S.r.l.
- 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.
- Material handling apparatus for a mining machine22 Apr 2021US 2021/0115791 A1Sandvik Mining and Construction Oy
Most cited
By later US patents
- Cutting machine for cutting and carrying away material from a work face18US 4,878,714 AVoest-Alpine Aktiengesellschaft · 1989
- Gathering head17US 4,159,055 ADresser Industries, Inc. · 1979
- Chain conveyor for miner13US 4,919,252 AJoy Technologies Inc. · 1990
- Chain conveyor for miner12US 5,072,826 AJoy Technologies Inc. · 1991
- Low profile mining machine11US 4,133,582 A1979