E21C 35/06
Equipment for positioning the whole machine in relation to its sub-structure
E21C35/06 (Equipment for positioning the whole machine in relation to its sub-structure) appears on 35 US grants and 35 published applications in this corpus.
Search patents in E21C- Granted patents
- 35
- Published applications
- 35
- Assignees
- 17
- Inventors
- 63
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 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 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 6 |
| 2014 | 4 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 7 |
| 2018 | 1 | 8 |
| 2019 | 7 | 0 |
| 2020 | 5 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fragmentation georeferencing20 Jan 2026US 12,529,313 B2Orica International Pte Ltd
- Rock cutting device19 Dec 2023US 11,846,190 B2Joy Global Underground Mining LLC
- Machine supporting rock cutting device7 Mar 2023US 11,598,208 B2Joy Global Underground Mining LLC
- Machine supporting rock cutting device21 Dec 2021US 11,203,930 B2Joy Global Underground Mining LLC
- Shearing system for longwall mining24 Nov 2020US 10,844,713 B2Caterpillar Global Mining Europe GmbH
- Providing control information4 Dec 2025US 2025/0369336 A1Sandvik Mining and Construction Oy
- Method For Controlling A Shearer In Three Dimensions And System13 Mar 2025US 2025/0084763 A1Caterpillar Inc.
- Longwall Shearer Positioning Method, Pan for Panline, Longwall Shearer System13 Mar 2025US 2025/0084764 A1Caterpillar Inc.
- Providing control information21 Nov 2024US 2024/0384601 A1Sandvik Mining and Construction Oy
- Fragmentation georeferencing20 Jun 2024US 2024/0200446 A1Orica International Pte Ltd
Most cited
By later US patents
- Geosteering detectors for boring-type continuous miners13US 7,360,844 B2The Mosaic Company · 2008
- Mining machine steering equipment9US 4,371,209 ACoal Industry (Patents) Limited · 1983
- Longwall mining machine with pivotal body adjustment7US 3,954,299 ACoal Industry (Patents) Limited · 1976
- Rock cutting device4US 10,533,416 B2Joy Global Underground Mining LLC · 2020
- Track-mounted shoe-supported inclining mining machine4US 4,054,321 ACoal Industry (Patents) Limited · 1977