Inventor
LUNDELL LARS-GUNNAR
SE12 patents
Patents
12 patentsUS5064004ANov 12, 1991
Drill rod for percussion drilling
SANDVIK AB174 citations98
US4951762AAug 28, 1990
Drill bit with cemented carbide inserts
SANDVIK AB205 citations98
US6547891B2Apr 15, 2003
Elongated percussive rock drilling element
SANDVIK AB92 citations97
US5947215ASep 7, 1999
Diamond enhanced rock drill bit for percussive drilling
SANDVIK AB127 citations97
US6508318B1Jan 21, 2003
Percussive rock drill bit and buttons therefor and method for manufacturing drill bit
SANDVIK AB46 citations95
US6220376B1Apr 24, 2001
Drill bit and button
SANDVIK AB70 citations95
US6658968B2Dec 9, 2003
Percussive rock drill bit and buttons therefor and method for manufacturing drill bit
SANDVIK AB29 citations92
US6095266AAug 1, 2000
Drill rod and method for its manufacturer
SANDVIK AB20 citations92
US5919578AJul 6, 1999
Friction welded product and method for manufacturing thereof
SANDVIK AB22 citations92
US4872515AOct 10, 1989
Drill rod for percussion drilling
SANDVIK AB29 citations92
US5988301ANov 23, 1999
Drill rod and method for its manufacture
SANDVIK AB19 citations83
US6238489B1May 29, 2001
Methods and apparatus for masking a percussive drill member prior to a surface treatment thereof
SANDVIK AB11 citations73