E21D 9/128
Loader-conveyors with gathering arms
Official title: {Loader-conveyors with gathering arms}
E21D9/128 (Loader-conveyors with gathering arms) appears on 22 US grants and 8 published applications in this corpus.
Search patents in E21D- Granted patents
- 22
- Published applications
- 8
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 3 |
| 2022 | 2 | 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.
- Mining machine with articulating boom and independent material handling system19 Jul 2022US 11,391,149 B2Joy Global Underground Mining LLC
- 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
- Mining machine with articulating boom and independent material handling system8 Apr 2021US 2021/0102463 A1Joy Global Underground Mining LLC
Most cited
By later US patents
- Gathering head17US 4,159,055 ADresser Industries, Inc. · 1979
- Low profile mining machine11US 4,133,582 A1979
- Material gathering device for a mining machine9US 4,056,189 ANational Mine Service Company · 1977
- Gathering arms for a mining machine6US 4,047,762 ADosco Overseas Engineering Ltd. · 1977
- Tramming mobile mining machine6US 5,192,115 AThe Robbins Company · 1993