DANFOSS A/S
🏢 View company profile →954Patents
342Active
954Granted
51Portfolio score
Filing activity: May 24, 1972 → Jun 5, 2024 · 77 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD756929S1 | Electrical connector for refrigeration valve | General | 387 | Active |
| US5452878A | Miniature actuating device | Electricity | 292 | Expired |
| US6091604A | Power module for a frequency converter | Electricity | 161 | Expired |
| USD614976S1 | Wireless thermostat with dial and display | General | 141 | Expired |
| US4388941A | Apparatus for producing a rotary speed-dependent control pressure | Emerging Cross-Sectional Technologies | 126 | Expired |
| US7248906B2 | Method and device for monitoring analyte concentration by optical detection | Physics | 121 | Expired |
| US6354805B1 | Method for regulating a delivery variable of a pump | Emerging Cross-Sectional Technologies | 115 | Expired |
| US6041609A | Compressor with control electronics | Mechanical Engineering; Lighting; Heating | 103 | Expired |
| US5131237A | Control arrangement for a refrigeration apparatus | Mechanical Engineering; Lighting; Heating | 98 | Expired |
| US5471125A | AC/DC unity power-factor DC power supply for operating an electric motor | Emerging Cross-Sectional Technologies | 90 | Expired |
| US5909372A | User interface for programming a motor controller | Emerging Cross-Sectional Technologies | 90 | Expired |
| USD603277S1 | Thermostat with display | General | 83 | Expired |
| US6037742A | Method for the field-oriented control of an induction motor | Electricity | 77 | Expired |
| US6351359B1 | Circuit for blocking a semiconductor switching device on overcurrent | Electricity | 76 | Expired |
| US6072291A | Frequency converter for an electromotor | Emerging Cross-Sectional Technologies | 76 | Expired |
| US6028406A | Method for commutating a brushless motor and power supply for a brushless motor | Electricity | 76 | Expired |
| US7005818B2 | Motor actuator with torque control | Electricity | 71 | Expired |
| USD424516S | Hydraulic motor | General | 63 | Expired |
| US4845956A | Regulating device for the superheat temperature of the evaporator of a refrigeration or heat pump installation | Emerging Cross-Sectional Technologies | 63 | Expired |
| USD292914S | Casing for a speed control device or the like | General | 59 | Expired |
| US6461730B1 | Lubricant for wire used for forming the stator windings of an electrical refrigerating compressor | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5773298A | Successive samples analysis method and analysis apparatus | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6259617A | Electric bus arrangement and method for minimizing the inductance in an electric bus arrangement | Electricity | 58 | Expired |
| US4966006A | Refrigeration plant and method of controlling a refrigeration plant | Emerging Cross-Sectional Technologies | 55 | Expired |
| USD281315S | Casing for electrical equipment | General | 55 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.