Liljebrand; Per-Olof
Patent Applications and Registrations
Patent applications and USPTO patent grants for Liljebrand; Per-Olof.The latest application filed is for "thread joint".
- Liljebrand; Per-Olof - Sandviken SE
| Patent | Date |
|---|---|
| Thread joint Grant 7,624,822 - Olsson , et al. December 1, 2 | 2009-12-01 |
| Thread Joint App 20080304904 - Olsson; Urban ; et al. | 2008-12-11 |
| Male portion, drill bit and threaded joint for percussive rock drilling Grant 7,185,721 - Carlstrom , et al. March 6, 2 | 2007-03-06 |
| Male portion, drill bit and threaded joint for percussive rock drilling App 20040050592 - Carlstrom, Bo ; et al. | 2004-03-18 |
| Thread joint for percussive drilling and parts therefor App 20020074797 - Liljebrand, Per-Olof ; et al. | 2002-06-20 |
| Rock drilling tool and reamer for percussive drilling Grant 6,202,768 - Lindgren , et al. March 20, 2 | 2001-03-20 |
| Rock drilling tool including a drill bit having a recess in a front surface thereof Grant 5,890,551 - Liljebrand , et al. April 6, 1 | 1999-04-06 |
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