In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 8136740 | Thermodynamic cycles using thermal diluent A thermodynamic system that produces mechanical, electrical power, and/or fluid streams for heating or cooling. The cycle contains a combustion system that produces an energetic fluid by combustion of a fuel with an oxidant. A thermal diluent may be used in the cycl... | 03/20/2012 |
| 7316501 | Apparatus and method for mixing dissimilar fluids An apparatus and method for fluid mixing comprising a housing having an internal chamber and a rotatable unit disposed in the chamber. Sufficient clearance is provided between the rotatable unit and the housing to create space for the mixing of the two or more dissi... | 01/08/2008 |
| 7238904 | Automotive air conditioning switch system When a dial is operated to rotate forward to a DEF position with a knob 52 staying in a depressed state, a cam portion 12 operates a key operating portion 56 to move in an approaching direction in which the key operating portion 56 approa... | 07/03/2007 |
| 7060936 | Heating system for a vehicle A heating system for a vehicle includes a heater (12) with a first electric heating device (24), which can be operated to ignite an air/fuel mixture present in a combustion chamber (16), and with a second electric heating device (22) for ... | 06/13/2006 |
| 7055760 | Temperature maintaining apparatus and temperature control apparatus and method therefor A method and apparatus are provided for maintaining a temperature between a first value and a second value. The method and apparatus utilize a heat transfer device capable of cycling through a series of cycles, the device being capable of changing the temperature fr... | 06/06/2006 |
| 7021553 | Space heating system with fuel cells and a connection to a public electrical network The space heating system with fuel cells (11) has a connection to a public electrical network (50). In this system a fuel (B) can be supplied to the fuel cells in gaseous form through a main gas valve (200) for the production of thermal and elec... | 04/04/2006 |
| 6963049 | Snow removal system A snow removal system for melting snow from the body of a vehicle is disclosed. The snow removal system includes a control assembly being designed for operationally coupling to a power supply of the vehicle. A plurality of conducting strips are operationally coupled... | 11/08/2005 |
| 6644398 | Advanced starting control for multiple zone system A system and method for controlling delivery of conditioned water to a plurality of heat exchangers includes a system controller which gathers information as to the current and future demands for conditioned water by a plurality of zone controllers associ... | 11/11/2003 |
| 6591901 | Advanced starting control for heating/cooling systems A system and method for controlling delivery of either heated or cooled water to a plurality of heat exchangers includes a system controller which gathers information as to the current and future heating or cooling demands of a plurality of zone controlle... | 07/15/2003 |
| 6470837 | Method for servicing and maintaining heat supply equipment In heat supply equipment provided with a plurality of maintenance object units, secure and prompt servicing and maintenance is implemented and a burden on a person in charge of managing the heat supply equipment is decreased. In a method for servicing and... | 10/29/2002 |
| 6312886 | Reaction vessels Apparatus for effecting reactions comprising a plurality of reaction vessels for holding reagents, an electrically conducting polymer which emits heat when an electric current is passed through it, and control device for controlling supply of current to t... | 11/06/2001 |
| 5369597 | System for controlling heating or cooling capacity in heating or air conditioning systems A heat pump or air conditioning system includes a process for calculating on a real time basis the capacity contribution of each of a number of heating or cooling stages. The calculated contribution is utilized to determine the number of stages that need ... | 11/29/1994 |
| 5121880 | Mode selector for a heating system controller A heating system controller is suitable for controlling a heating system based on a plurality of sensed control signals representing control parameters. The heating system controller has a first input suitable for being coupled to provide a control signal... | 06/16/1992 |
| 4696427 | Method of transforming a pre-existing heat installation, and control device for implementing the method The present invention relates to transforming a pre-existing heating installation comprising a main heat generator such as a boiler which is associated with a modulating mixer valve controlled by a P or PD type regulator which is responsive to outside tem... | 09/29/1987 |
| 4685616 | Process and switching means for controlling heat performance in a heating device A process for controlling heat output of a heating device, such as an auxiliary heating device for a vehicle, and a switching arrangement for performing such process. The governing value in controlling the heat output is the temperature gradient with resp... | 08/11/1987 |
| 4645125 | Heat transport method A transport mechanism for heat in housing includes the use of liquid media such as warm water and gaseous media such as heated air. For either of these heat transport media, a circulation pump or a blower is necessary with the exception of special cases. ... | 02/24/1987 |
| 4357931 | Flameless heat source The present invention comprises a heat source wherein a vaned rotor (2) is rotatably supported within a cavity (18) formed in a casing (16). Inlet (42) and outlet (54) ports in the casing (16) respectively conduct heat transfer fluid to and from the cavit... | 11/09/1982 |