E21C 35/046
Protection of cables or pipes for supplying power
Official title: {Protection of cables or pipes for supplying power}
E21C35/046 (Protection of cables or pipes for supplying power) appears on 19 US grants and 8 published applications in this corpus.
Search patents in E21C- Granted patents
- 19
- Published applications
- 8
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 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 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cable handling system for longwall mining machines12 Mar 2024US 11,927,097 B2Caterpillar Inc.
- Hose retention system for drilling machine3 May 2022US 11,319,808 B2Caterpillar Global Mining Equipment LLC
- Cable handling system for longwall mining machines19 Oct 2021US 11,149,546 B2Caterpillar Global Mining Europe GmbH
- Fiber optic cable protection in a mining system10 Feb 2015US 8,950,822 B2Joy MM Delaware, Inc.
- Fiber optic cable protection in a mining system7 Jan 2014US 8,622,481 B2Joy MM Delaware, Inc.
- Cable handling system for longwall mining machines22 Dec 2022US 2022/0403738 A1Caterpillar Inc.
- Hose retention system for drilling machine16 Apr 2020US 2020/0116020 A1Caterpillar Global Mining Equipment LLC
- Cable handling system for longwall mining machines23 Jan 2020US 2020/0024943 A1Caterpillar Global Mining Europe GmbH
- Valve assembly5 Mar 2015US 2015/0059885 A1Caterpillar Global Mining Europe GmbH
- Fiber optic cable protection in a mining system20 Mar 2014US 2014/0077042 A1Joy MM Delaware, Inc.
Most cited
By later US patents
- Fiber optic cable protection in a mining system17US 8,622,481 B2Joy MM Delaware, Inc. · 2014
- Permissible controller cover resistant to fastener breakage13US 7,005,576 B2Joy MM Delaware, Inc. · 2006
- Cable carriage and spill-plate housing assembly for a mining machine8US 4,103,974 AGebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H. · 1978
- Apparatus for lifting a flexible cable7US 4,423,852 AThe United States of America as represented by the Secretary of the Interior · 1984
- Cable protection equipment6US 4,186,553 ACoal Industry (Patents) Limited · 1980