Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8844977 | Suction connection for connecting a suction pipe to a dry installed centrifugal pump | — | 2014-09-30 |
| 8366384 | Pump assembly and method | — | 2013-02-05 |
| D633530 | Pump | — | 2011-03-01 |
| D621419 | Pump | — | 2010-08-10 |
| D466182 | Waste water pump station cover | — | 2002-11-26 |
| D461828 | Cover for pump station | — | 2002-08-20 |
| D461829 | Pump station cover | — | 2002-08-20 |
| D443281 | Impeller for a pump | — | 2001-06-05 |
| D424073 | Cutter for a pump | — | 2000-05-02 |
| 5824980 | Switch-actuating, liquid-level sensor | — | 1998-10-20 |
| 5658135 | Waste water pump station | — | 1997-08-19 |
| 5601111 | Method for automatically circulating and then halting circulation of wastewater in a wastewater pump station, and a valving device therefore | — | 1997-02-11 |
| D342307 | Valve | Thomas Bartholf, Folke Landquist | 1993-12-14 |
| 5011370 | Centrifugal pump | — | 1991-04-30 |
| 4640666 | Centrifugal pump | — | 1987-02-03 |
| D284380 | Pump | Kurt Berg, Boris Fredriksson, Bengt Ramstrom | 1986-06-24 |
| 4503942 | Device for guiding a submersible pump unit | Bengt Anden, Bengt Ramstrom | 1985-03-12 |