E21D 9/1026
The tool-carrier being rotated about a transverse axis
Official title: {the tool-carrier being rotated about a transverse axis}
E21D9/1026 (The tool-carrier being rotated about a transverse axis) appears on 65 US grants and 37 published applications in this corpus.
Search patents in E21D- Granted patents
- 65
- Published applications
- 37
- Assignees
- 27
- Inventors
- 113
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 4 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 6 |
| 2018 | 2 | 12 |
| 2019 | 8 | 0 |
| 2020 | 5 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cutting device and support for same3 Feb 2026US 12,540,548 B2Joy Global Underground Mining LLC
- Rock cutting device19 Dec 2023US 11,846,190 B2Joy Global Underground Mining LLC
- Hydraulic system, mining machine and method of controlling hydraulic actuator7 Nov 2023US 11,808,012 B2Sandvik Mining and Construction Oy
- Machine supporting rock cutting device7 Mar 2023US 11,598,208 B2Joy Global Underground Mining LLC
- Mining machine with articulating boom and independent material handling system19 Jul 2022US 11,391,149 B2Joy Global Underground Mining LLC
- Cutting device and support for same16 Jul 2026US 2026/0201800 A1Joy Global Underground Mining LLC
- Method and material removal system14 May 2026US 2026/0132715 A1Rockfeel GmbH
- Cutting device and support for same25 Jul 2024US 2024/0247587 A1Joy Global Underground Mining LLC
- Hydraulic system, mining machine and method of controlling hydraulic actuator15 Sep 2022US 2022/0290407 A1Sandvik Mining and Construction Oy
- Machine supporting rock cutting device17 Feb 2022US 2022/0049605 A1Joy Global Underground Mining LLC
Most cited
By later US patents
- Rotary cutter for gouging out ore from mine faces25US 4,647,112 ACharbonnages de France · 1987
- Method of excavation and apparatus therefor25US 4,838,614 ADosco Overseas Engineering Ltd. · 1989
- Cutting machine22US 4,108,494 AVereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan Aktiengesellschaft · 1978
- Shearing machine with roof-bolt drilling and setting devices21US 5,050,934 AVoest-Alpine Zeltweg Gesellschaft m.b.H. · 1991
- Cutting machine for cutting and carrying away material from a work face18US 4,878,714 AVoest-Alpine Aktiengesellschaft · 1989