Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926676 | Press with pressure vessel supporting cover for movement between a first position and a second position | Carl Bergman | 2011-04-19 |
| 7739779 | Method for opening a cylindrical pressure vessel | Carl Bergman | 2010-06-22 |
| 7427176 | Vibratory plate | Gunnar Hedlund | 2008-09-23 |
| 6659685 | Arrangement for cooling a hydraulic fluid in a hydraulic-powered vibrating compactor | — | 2003-12-09 |
| 6267532 | Handle assembly for a vibrating compactor | — | 2001-07-31 |
| 4775263 | Arrangement for operating a self-propelled vibratory plate device and method for using said arrangement | Gunnar Grane | 1988-10-04 |
| 4771645 | Vibrating plate compactor | — | 1988-09-20 |
| 4727686 | Apparatus for finishing flat surfaces | — | 1988-03-01 |
| 4634188 | Rotary tool | — | 1987-01-06 |
| 4370880 | Method and apparatus for bending sheet-plate blanks to form shells having cylindrical curvature | Rune Adolfsson, Hans Persson | 1983-02-01 |
| 4317314 | Surface finishing machine | Per Carlstrom | 1982-03-02 |
| 4198178 | Concrete floor finisher | Per Carlstrom, Bo Lundberg | 1980-04-15 |