Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7624822 | Thread joint | Urban Olsson | 2009-12-01 |
| 7185721 | Male portion, drill bit and threaded joint for percussive rock drilling | Bo Carlstrom, Anders Brungs, Christer Lundberg | 2007-03-06 |
| 6293360 | Thread joint percussive drilling equipment | Urban Olsson | 2001-09-25 |
| 6202768 | Rock drilling tool and reamer for percussive drilling | Daniel Lindgren, Hakan Lindstrom | 2001-03-20 |
| 6021855 | Method, drilling tool and rock drill bit for transferring impact energy from a top hammer unit | Rainer Beccu, Urban Olsson, Jan-Erik Sundstrom | 2000-02-08 |
| 5890551 | Rock drilling tool including a drill bit having a recess in a front surface thereof | Orban Olsson | 1999-04-06 |