Danfoss Compressors GmbH
52Patents
15Active
52Granted
42Portfolio score
Filing activity: Feb 12, 1996 → Mar 11, 2009 · 15 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6380707B1 | Method and device for controlling a brushless electric motor | Electricity | 88 | Expired |
| US6483278B2 | Method and power supply device for generating regulated D.C. voltage from A.C. voltage | Electricity | 67 | Expired |
| US6134901A | Method of speed control of compressor and control arrangement using the method | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7269962B2 | Cooling medium compressor arrangement | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US7316291B2 | Suction muffler for a hermetic refrigerant compressor | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6305912A | Refrigerant compressor and method for assembling | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6017197A | Suction sound damper for a refrigerant compressor | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7365466B2 | Rotor for an electrical motor | Electricity | 15 | Expired |
| US6358019B1 | Suction sound damper for a hermetically encapsulated compressor | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7935888B2 | Protective cover arrangement for an electrical unit | Electricity | 12 | Active |
| US7100494B2 | Piston arrangement | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6702067B2 | Piston compressor, particularly hermetically enclosed refrigerant compressor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6280153A | Suction gas conduit for a refrigeration compressor | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| USD625692S1 | Application module for a compressor | General | 9 | Expired |
| US7183685B2 | Rotor for an electric motor | Electricity | 6 | Expired |
| US7247965B2 | Rotor for an electric motor | Electricity | 5 | Expired |
| US5803717A | Refrigerant compressor arrangement | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6845843B2 | Suction muffler for a refrigerating machine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7214040B2 | Cylinder head arrangement for a piston compressor | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7777438B2 | Motor start circuit | Electricity | 4 | Active |
| US7886553B2 | Method and a control unit for controlling a power level | Electricity | 4 | Active |
| US6402484B1 | Refrigerant compressor and method for assembling | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7630180B2 | Motor starter circuit | Electricity | 4 | Active |
| US7134383B2 | Piston arrangement | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6006785A | Suction valve for an axial piston compressor | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.