Birger Laing
7Patents
0Active
7Granted
25Portfolio score
Filing activity: May 20, 2002 → Feb 9, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6824354B2 | Pump with selectable suction ports | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6897596B2 | Electric motor | Electricity | 10 | Expired |
| US6736616B2 | Centrifugal pump with integrated motor | Electricity | 3 | Expired |
| US7484941B2 | Electric motor with circulator pump | Electricity | 2 | Expired |
| US6986640B2 | Motor pump with expansion tank | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6713918B2 | Spherical bearing for electrical machines with permanent magnetic rotors | Electricity | 2 | Expired |
| US7382070B2 | Spherical bearing, electric motor and circulation pump | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.