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 |
| 7171821 | Temperature control unit having a vent arrangement Some constructions of the present invention provide a vent arrangement for a transport temperature control unit including a refrigeration circuit and being mountable on a transport container having a load space. The vent arrangement can include a duct communicating ... | 02/06/2007 |
| 6318096 | Single sensor mixing box and methodology for preventing air handling unit coil freeze-up A method of controlling the mixing of outside air and return air, entering an air handling unit, through inlets having dampers, the air handling unit having a coil for conditioning the incoming air and a fan for blowing the conditioned air into a conditio... | 11/20/2001 |
| 5899080 | Air conditioning method and system An air conditioning installation designed with regard to achieving a comfort temperature as well as meeting heat load requirements for a conditional space. The comfort temperature being dependent upon the velocity of the air flow in the space and the desi... | 05/04/1999 |
| 5440886 | Method of gas generation and plant for effecting same A method of gas generation resides in transformation of a cryogenic agent, capable of passing to the supercritical state, from the liquid state to the gaseous state thereof by way of thermoinversion in an isochoric process with enhancement of the potentia... | 08/15/1995 |
| 5408838 | Method and apparatus for conditioning unrecycled ambient air A method and apparatus for conditioning the temperature and humidity of unrecycled ambient air within a certain climatic window of parameters to a desired point within a certain conditioned window of parameters is provided that comprise directing part of ... | 04/25/1995 |
| 5394704 | Alternate method for achieving temperature control in the -160 to +90 degrees Celcius range A single-pass method for accurate and precise temperature control in the -160° to +90° C. range, and which exhibited minimal set-point overshoot during temperature transitions. Control to b1;2° C. with transitions between set-points of 7° C. per ... | 03/07/1995 |
| 5271243 | Device for cooling hot gases A device for cooling hot gases deriving from incomplete oxidation in a reactor and loaded with solids. A pressurized vessel (2) accommodates a refrigerator (1) made of cooled pipe-slab walls at the top and a water bath (6) for quench cooling at the bottom... | 12/21/1993 |
| 4982572 | Vapor injection system for refrigeration units The present invention relates to a method for combining at least two discrete flows of a refrigerant in respective substantially dissimilar thermodynamic states in a vapor compression cycle refrigeration system, including the step of imparting substantial... | 01/08/1991 |
| 4482465 | Hydrocarbon-halocarbon refrigerant blends A refrigeration process is conducted by employing as the refrigerant a mixture of one or more hydrocarbons and one or more halocarbons. The boiling points of the components of the mixture are bracketed in such a manner that the flammability of the mixture... | 11/13/1984 |
| 4448030 | Combined staged air conditioner and heat store Apparatus for carrying out a combined absorption and adsorption process comprising an adsorber (1) housing adsorbent (30) (e.g. 13× zeolite molecular sieve) and having means (2) for supplying heat to the adsorbent (30) from an external source, a vapor ou... | 05/15/1984 |
| 4048809 | Air conditioning A method of cooling air in a space and air conditioning apparatus for carrying out this method. Primary air at a temperature much below the temperatures used in conventional systems, is mixed with secondary drawn from the space, the mixture then being int... | 09/20/1977 |
| 3938348 | Ventilating and/or cooling dehumidifier A simple climate control device is disclosed which can independently, or jointly, to the degree desired, ventilate and/or dehumidify and/or cool a dwelling. The device provides a way of supplying fresh outside air to a building or other space at a preferr... | 02/17/1976 |