Patent assignee · FR · COMPANY

Valeo Climatisation

150Patents
9Active
150Granted
43Portfolio score

Filing activity: Oct 25, 1993 → Nov 4, 2010 · 9 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7119289B2 Push button keypad and knob for motor vehicle control panel Electricity 103 Expired
US7244927B2 Control panel for a motor vehicle fascia, having at least one optically controlled rotary adjustment knob Electricity 90 Expired
US5896750A Device for the air conditioning of a vehicle when running and parked Emerging Cross-Sectional Technologies 81 Expired
US5983146A Electronic control system for a heating, ventilating and/or air conditioning installation for a motor vehicle Performing Operations; Transporting 74 Expired
US5860677A Rapid connection device for connecting a tube member with a pipe connector, especially for a heat exchanger; and a heat exchanger equipped with such a device Emerging Cross-Sectional Technologies 68 Expired
US6411059B1 Device for control of an electric compressor for an air-conditioning circuit Emerging Cross-Sectional Technologies 53 Expired
US6497275B1 Installation for heating and/or ventilating the passenger compartment of a vehicle employing selective extraction of air Performing Operations; Transporting 51 Expired
US6289982A Heat exchanger, heating and/or air conditioning apparatus and vehicle including such a heat exchanger Mechanical Engineering; Lighting; Heating 45 Expired
US5507529A Rapid coupling device for tube members of a heat exchanger Mechanical Engineering; Lighting; Heating 35 Expired
US5720181A Air conditioning installation, especially for a motor vehicle Performing Operations; Transporting 34 Expired
US6749015B2 Multichannel tube heat exchanger, in particular for motor vehicle Mechanical Engineering; Lighting; Heating 31 Expired
US6422309B1 Motor vehicle heating and/or air conditioning device, with improved heat exchange management Performing Operations; Transporting 29 Expired
US5884696A Heat exchanger of reduced size for heat transfer between three fluids Mechanical Engineering; Lighting; Heating 29 Expired
US7156156B2 Heat exchanger with thermal inertia for a heat transfer fluid circuit, particularly of a motor vehicle Emerging Cross-Sectional Technologies 26 Expired
US6582295B1 Method of detecting clogging of an air filter and ventilation system employing such a method Performing Operations; Transporting 25 Expired
US5505251A Cooling and air conditioning apparatus for an electric vehicle Performing Operations; Transporting 24 Expired
US6178761A Air conditioning circuit using a refrigerant fluid in the supercritical state, in particular for a vehicle Mechanical Engineering; Lighting; Heating 24 Expired
US6071591A Method for making a motor vehicle dashboard with built-in air ducts, and resulting dashboard Emerging Cross-Sectional Technologies 23 Expired
US6607029B2 Heating and ventilating apparatus for a motor vehicle with selective control in different zones of the cabin Performing Operations; Transporting 22 Expired
US6206775A Motor vehicle heating and/or air conditioning device comprising a pollution sensor Performing Operations; Transporting 20 Expired
US6607026B1 Heating, ventilation and/or air-conditioning device including a thermal loop equipped with an evaporator Emerging Cross-Sectional Technologies 19 Expired
US6007421A Temperature control device Emerging Cross-Sectional Technologies 19 Expired
US6041849A Heating device for vehicle using the coolant fluid circuit Performing Operations; Transporting 17 Expired
US6332330A Device for motor-vehicle heating and/or air conditioning with improved blower Performing Operations; Transporting 16 Expired
US5740681A Method and apparatus for controlling the temperature of air delivered to the cabin of a motor vehicle Mechanical Engineering; Lighting; Heating 16 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.