Patent | Date |
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Device and method for protecting the rock drilling machine from corrosion Grant 9,352,461 - Rodert , et al. May 31, 2 | 2016-05-31 |
Percussion device and rock drilling machine Grant 9,016,396 - Andersson April 28, 2 | 2015-04-28 |
Percussion device Grant 8,739,896 - Andersson , et al. June 3, 2 | 2014-06-03 |
Rock drilling equipment and a method in association with same Grant 8,453,756 - Andersson June 4, 2 | 2013-06-04 |
Device And Method For Protecting The Rock Drilling Machine From Corrosion App 20120152620 - Rodert; Jorgen ;   et al. | 2012-06-21 |
Method in respect of a percussive device, percussive device and rock drilling machine Grant 8,201,640 - Andersson June 19, 2 | 2012-06-19 |
Valve device for a percussion device and a percussion device for a rock drilling machine Grant 7,896,100 - Andersson March 1, 2 | 2011-03-01 |
Rock Drilling Equipment And A Method In Association With Same App 20100051348 - Andersson; Kurt | 2010-03-04 |
Method In Respect Of A Percussive Device, Percussive Device And Rock Drilling Machine App 20090321100 - Andersson; Kurt | 2009-12-31 |
Percussion device and rock drilling machine App 20090308627 - Andersson; Kurt | 2009-12-17 |
Rock drilling device Grant 7,628,223 - Andersson , et al. December 8, 2 | 2009-12-08 |
Mixing device for mixing air and water in a water purifier Grant 7,618,025 - Andersson November 17, 2 | 2009-11-17 |
Valve device for a percussion device and a percussion device for a rock drilling machine App 20090229843 - Andersson; Kurt | 2009-09-17 |
Percussive device for a rock drilling machine, method for achieving a reciprocating piston movement and rock drilling machine Grant 7,581,599 - Andersson September 1, 2 | 2009-09-01 |
Percussive Device for a Rock Drilling Machine, Method for Achieving a Reciprocating Piston Movement and Rock Drilling Machine App 20090095498 - Andersson; Kurt | 2009-04-16 |
Percussion device Grant 7,484,570 - Andersson , et al. February 3, 2 | 2009-02-03 |
Sheet metal section App 20080276774 - Andersson; Kurt | 2008-11-13 |
Impact adapter for transfer of impacts and rotation from an impact rock drilling machine to a drill string Grant 7,438,138 - Andersson , et al. October 21, 2 | 2008-10-21 |
Rock Drilling Device App 20080115953 - Andersson; Kurt ;   et al. | 2008-05-22 |
Percussion Device App 20070277991 - Andersson; Kurt ;   et al. | 2007-12-06 |
Percussion Device App 20070267223 - Andersson; Kurt ;   et al. | 2007-11-22 |
Mixing device for mixing air and water in a water purifier App 20070164460 - Andersson; Kurt | 2007-07-19 |
Impact adapter for transfer of impacts and rotation from an impact rock drilling machine to a drill string App 20050236167 - Andersson, Kurt ;   et al. | 2005-10-27 |
Sheet metal section App 20050183487 - Andersson, Kurt | 2005-08-25 |
Drill string component for drilling with a liquid driven drilling machine Grant 5,375,670 - Ekwall , et al. December 27, 1 | 1994-12-27 |
Projectile, adapted to be given a rotation on firing, which makes the projectile spin-stabilized Grant 4,546,940 - Andersson , et al. October 15, 1 | 1985-10-15 |