Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8726944 | Positioning of dispensing means in fraction collector | Johan L. Carlsson, Hakan Frojdh, Pia Liljedahl, Lars Rosengren, Johan Svensson +1 more | 2014-05-20 |
| 8137549 | Automated packing system and method for chromatography columns | Torvald Andersson, Mats Olsson, Lars Andersson | 2012-03-20 |
| 7419599 | Automated packing system and method for chromatography columns | Torvald Andersson, Mats Olsson, Lars Andersson | 2008-09-02 |
| 6494275 | Rock drill bit having retrac teeth and method for its manufacturing | Kenneth Larsson, Bertil Ederyd | 2002-12-17 |
| D454143 | Drill bit | — | 2002-03-05 |
| 6209666 | Percussive down-the-hole hammer and a piston and drill bit therefor | Rainer Beccu | 2001-04-03 |
| 6182776 | Overburden drilling apparatus having a down-the-hole hammer separatable from an outer casing/drill bit unit | — | 2001-02-06 |
| 6076618 | Rock drilling tool with radially extendable two-piece reamer | — | 2000-06-20 |
| 5645132 | Drill bit having springless check valve and method of blocking backflow during drilling | — | 1997-07-08 |
| 5358063 | Drill bit | Jan-Gunnar Hedlund | 1994-10-25 |
| 5333520 | Method of making a cemented carbide body for tools and wear parts | Udo Fischer, Jan Akerman, Stig Lagerberg | 1994-08-02 |
| 5284216 | Down-the-hole drill tool for drilling in advance of a casing tube | Anders Brungs, Jan-Gunnar Hedlund, Kjell Jansson | 1994-02-08 |
| 5134571 | Controlled cable transport installation | Alain FALQUE, Christophe Bottollier | 1992-07-28 |
| 5112165 | Tool for cutting solid material | Jan-Gunnar Hedlund | 1992-05-12 |
| 5074623 | Tool for cutting solid material | Jan-Gunnar Hedlund, Jan Akerman | 1991-12-24 |
| 4976496 | Valve openable in response to displacement of a cutting tool | Jan-Gunnar Hedlund | 1990-12-11 |
| 4782761 | Cable tensioning device for ski lifts or aerial cableways | — | 1988-11-08 |