Sulzer Electronics AG
15Patents
0Active
15Granted
32Portfolio score
Filing activity: Jun 11, 1996 → Dec 16, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6053705A | Rotary pump and process to operate it | Mechanical Engineering; Lighting; Heating | 208 | Expired |
| US6100618A | Rotary machine with an electromagnetic rotary drive | Mechanical Engineering; Lighting; Heating | 202 | Expired |
| US6171078A | Centrifugal pump | Human Necessities | 113 | Expired |
| US5708346A | Method and control apparatus for controlling an AC-machine | Mechanical Engineering; Lighting; Heating | 103 | Expired |
| US6249067A | Method and sensor arrangement for the determination of the radial position of a permanent magnetic rotor | Electricity | 92 | Expired |
| US6222290A | Sensor arrangement in an electromagnetic rotary drive and a method for the operation of a rotary drive of this kind | Electricity | 83 | Expired |
| US6278251A | Permanent magnetically excited electrical rotary drive | Mechanical Engineering; Lighting; Heating | 79 | Expired |
| US5939813A | Gap tube motor | Electricity | 61 | Expired |
| US5917297A | Arrangement and method for operating a magnetically suspended, electromotoric drive apparatus in the event of a mains disturbance | Electricity | 52 | Expired |
| US6220832A | Centrifugal pump and centrifugal pump system | Human Necessities | 47 | Expired |
| US6181040A | Magnetically journalled rotational arrangement | Electricity | 32 | Expired |
| US6268675A | Magnetically journalled electrical drive | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5808437A | Method for compensation of periodic shaking forces in an electrical rotating field machine | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6465923B2 | Magnetically journalled electrical drive | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6236130A | Method and arrangement for the excitation of the journalling winding and the drive winding systems in electrical machines with magnetic journalling, and an electrical drive | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.