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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 |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 6952917 | Dual liquid engine and rocket using the same The engine for a rocket is suitable for using for an educational program. The engine uses a liquid phase propellant having a predetermined boiling point and a heating substance having a temperature higher than the boiling point. The engine has an inner wall having a... | 10/11/2005 |
| 6918243 | Bi-propellant injector with flame-holding zone igniter A bi-propellant injector (66) includes a first injector element (68) and a second injector element (70) injecting a first propellant (69) and a second propellant (71), respectively, into a combustion chamber (53). A flame-ho... | 07/19/2005 |
| 5747665 | Tungsten as a hypergolic fuel gel additive Tungsten is added to fuel gels to increase the density specific impulse. l gels contain monomethylhydrazine or other hypergolic liquids well known in the art. The quantity of tungsten employed can vary from 10%-98% weight percent depending on the specifi... | 05/05/1998 |
| 4663933 | Combustion independent from ambient air A drive aggregate is operated independently from the availability of external air, by using a fuel being composed of a blend of hydrocarbons and metal, e.g. lithium hydrides in a pasty, pumpable, i.e., fluidized, condition, and a metal chlorate, e.g., lit... | 05/12/1987 |
| 4214439 | Multi component propulsion system and method A multi component propulsion system utilizing metallic fuel particles and a carrier gas as a propellant medium. The metallic particles and some of the carrier gas are carried from a fluidization chamber to the combustion chamber to be combusted with a liq... | 07/29/1980 |
| 4133173 | Ducted rockets The overall efficiency of a reaction engine having primary and secondary combustion chambers is greatly improved by reducing the primary exhaust velocity to subsonic speed. This is accomplished in a preferred embodiment by using an exhaust tube downstream... | 01/09/1979 |
| 4090895 | High energy fuel slurry A fuel for rocket motors is provided in the form of a slurry of particulate metal or metalloid particles having a particle size of about 0.1 to 10 microns suspended in an alcohol having from 1 to 3 carbon atoms in the presence of a non-thixotropic amount ... | 05/23/1978 |
| 3993431 | Apparatus for generating high-pressure gas High-pressure gas generating apparatus includes a combustion chamber and a water jacket surrounding the combustion chamber. A metal fuel injecting nozzle is disposed in the center of one end of the combustion chamber. The water in the jacket is injected i... | 11/23/1976 |
