Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7222666 | Vehicle air-conditioning apparatus that can surely defog window A vehicle air-conditioning apparatus includes a dehumidification means, which has a compressor and dehumidifies inside of the vehicle, a humidity calculation means, which calculates humidity in the vicinity of an inside surface of the windshield, and a determination... | 05/29/2007 |
| 6859687 | Technique for temporal climate control in a vehicle In a multimedia information and control system for use in an automobile, at least one interface is employed which enables a user to access information concerning the automobile and control vehicle functions in an efficient manner. The user may select one of a plural... | 02/22/2005 |
| 6843312 | Air conditioning system and operating method for a motor vehicle with heat pump and/or reheat operating mode An air conditioning system has a refrigerant cycle, a coolant cycle, a refrigerant/coolant heat exchanger, coupling these cycles so as to transfer heat, and a valve for operating mode-dependent control of the refrigerant flow, whereby the air conditioning system can... | 01/18/2005 |
| 6115657 | Control device with a single manual control member for a motor vehicle installation, in particular a heating ventilating and/or air conditioning installation A motor vehicle heating, ventilating and/or air conditioning installation has air distribution, air mass flow and air temperature functions, each of which is adjustable between several different states. Control of these functions is exercised, by a contro... | 09/05/2000 |
| 6078107 | Process and device for shutting off a motor vehicle heating device A process and a device for shutting off of a motor vehicle heating device in which a liquid heat exchange medium is heated by a heating device and is delivered to a heat exchanger of the heating device by means of a circulating pump driven by an electric ... | 06/20/2000 |
| 5467006 | Energy transfer device and method A method for providing energy from a stationary energy source to an electric vehicle having the steps of: determining an energy requirement of the electric vehicle; deriving an energy transfer rate; and transferring energy from the source to the electric ... | 11/14/1995 |
| 5440486 | Predictive electric motor positioning device, normal operating system therefor A method and firmware motor control and fault operation system for positioning motors of a Heater-Ventilation-Air Conditioner Unit in response to request of chosen comfort levels in the interior of a motor vehicle. The positioning being accomplished by mo... | 08/08/1995 |
| 5174254 | Coolant circuit with a heater for a vehicle engine Coolant circuit of an internal combustion engine for a motor vehicle, which connects the internal combustion engine, a coolant/air heat exchanger for an interior space of the vehicle, and a combustion gas/coolant heat exchanger of a heater generating heat... | 12/29/1992 |
| 4974667 | Thermal actuated switchable heat pipe A thermal actuated switchable heat pipe 10 for use in a passenger compartment heating system of an automotive vehicle. The invention 10 includes a condenser 12, an evaporator, 14 vapor and fluid flow paths 16 and 18 therebetween and a working fluid 20 dis... | 12/04/1990 |
| 4899809 | Automotive air conditioner system with automatic adjustment of discharge air temperature A system for controlling temperature of air to be discharged into a cabin of a vehicle in an automatically controlled air conditioner system of an automotive vehicle. The air conditioner system is provided with a cooling unit and a heating unit for coolin... | 02/13/1990 |
| 4794537 | Scheduled comfort control system with adaptive compensation for stall and overshoot An automatic HVAC control system having a scheduled control in which the HVAC control variables are regulated in accordance with an empirically determined schedule to provide a desired comfort level in the vehicle, and an adaptive control which modifies t... | 12/27/1988 |
| 4733635 | Heat generator for automobile vehicles A heat generator suitable for heating the cab or passenger compartment of a motorized automobile vehicle comprises an enclosure inside which are mechanical friction means adapted to be driven by the motor of the vehicle. These friction means are operable ... | 03/29/1988 |
| 4575002 | Steam heating apparatus Steam heating apparatus for heating air introduced into a building in which the heat of condensate under pressure which otherwise would be wasted is converted into flash steam and is used in auxiliary heating means to supplement the heat of the primary he... | 03/11/1986 |
| 4516207 | Apparatus for controlling air conditioner by voice In an apparatus for controlling an air conditioner through a computer, various controls are automatically effected by voice command as well as by manual operation. Specific voice commands are predetermined in accordance with the control objectives. The vo... | 05/07/1985 |
| 4473109 | Air conditioning control apparatus for automotive vehicles A control apparatus has input devices, actuators and a single chip microcomputer and is applied to control air conditioning units carried in a cab-over wagon or a one-box car. The thermal loads of the compartment sections to be air conditioned are determi... | 09/25/1984 |
| 4463801 | Air induction control system for vehicle air conditioners A vehicle air conditioner control apparatus for supplying into the passenger compartment of a vehicle a flow of air which is temperature controlled in accordance with air conditioner control conditions, automatically controls an air change-over damper in ... | 08/07/1984 |
| 4418743 | Electronic circuit for controlling a heating or air-conditioning apparatus in a motor vehicle An electronic circuit for controlling the heating or air conditioning apparatus in an automobile permits the capability of heating the vehicle without the heat surges which can occur after short periods of ignition turn off and permitting manual on-off co... | 12/06/1983 |
| 4417618 | Air-conditioner control system for vehicles An air-conditioner control system for vehicles which is responsive to a condition in the compartment of a vehicle to move an air-flow controlling damper in an air duct. When the supply mode of conditioned air is a heater supply mode and when it is detecte... | 11/29/1983 |
| 4408278 | Electric control method for automobile air conditioner In an electric control method for an automobile air conditioner, a digital computer is utilized to calculate a function required to direct the actual in-car temperature toward a desired value in consideration with various changes of ambient temperature an... | 10/04/1983 |
| 4381480 | Apparatus for controlling a blower motor In an apparatus for controlling the speed of the blower motor in response to the difference between the temperature setting and the temperature inside the vehicle, the maximum speed of the blower motor is limited in accordance with the temperature of engi... | 04/26/1983 |
| 4316251 | Electric control method for automobile air conditioner In an electric control method for an automobile air conditioner, a digital computer is utilized to calculate a function required to direct the actual in-car temperature toward a desired value in consideration with various changes of ambient temperature an... | 02/16/1982 |
| 4260103 | Heating system for a railway car for utilizing waste heat from an engine A water cooling loop is connected to cool an engine of a railway car or the like and includes a heat exchanger. A system for heating a compartment includes a pump for pumping water to heating elements. The water from the pump is selectively pumped through... | 04/07/1981 |
| 4259722 | Electric control method and apparatus for automobile air conditioner An electric control method and apparatus for an automobile air conditioner which is capable of conducting recirculation of inside air from a passenger compartment into an air duct under undesired outside air conditions caused by noxious gases, dust and th... | 03/31/1981 |
