Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7930875 | Jet-type steam engine In an engine, a rotor having a folded jet pipe is rotatably supported in a sealed container filled with a liquid. A heating portion is inserted in a center cylinder at the center of the rotor, and a fluid of a high temperature is passed therethrough to vaporize the ... | 04/26/2011 |
| 7841166 | Jet-type steam engine A simply constituted steam engine efficiently obtains mechanical energy not only from a heat source of a high temperature but also from the exhaust heat of an internal combustion engine and various kinds of heat sources of a low-temperature state such as the solar h... | 11/30/2010 |
| 7228223 | Method for monitoring an exhaust gas system of a motor vehicle A method for monitoring a vehicle exhaust system may include (1) measuring exhaust-gas temperature at an outlet side of an exhaust pipe section which is intended to accommodate a component with a purifying activity, (2) measuring exhaust-gas temperature at an inlet ... | 06/05/2007 |
| 7163666 | Thermally tolerant support structure for a catalytic combustion catalyst The present invention provides a support structure for a catalyst disposed within an outer containment. Several unique arrangements and connections of supporting struts that form the structure provide a number of significant advantages and improvements. The support ... | 01/16/2007 |
| 7104507 | Very safe manned rocket and method of entertaining A rocket includes: 1) an air-breathing external combustion rocket engine including: a fuel tank configured to contain a fuel combustible with air; a working medium tank configured to contain a working medium; a combustor connected to the fuel tank and configured to ... | 09/12/2006 |
| 7043147 | Superheated vapor generator system and method A superheated vapor generation system includes at least one vapor generator with a vapor generation space in its interior for generation of superheated vapor upon entry thereinto of liquid. At least one thermal element is disposed within the interior vapor generatio... | 05/09/2006 |
| 6834494 | Design and assembly of a catalyst bed gas generator for the catalytic decomposition of high concentration hydrogen peroxide propellants and the catalytic combustion of hydrocarbon/air mixtures A method for designing and assembling a high performance catalyst bed gas generator for use in decomposing propellants, particularly hydrogen peroxide propellants, for use in target, space, and on-orbit propulsion systems and low-emission terrestrial power and gas g... | 12/28/2004 |
| 6290184 | Flying craft with water and air propulsion source A propulsion system for a flying craft uses an air and water fuel source to provide propulsion thrust. The system includes two steam generating units, one attached directly to a compact turbine and the other connected to a compressor. The compressor compr... | 09/18/2001 |
| 6250978 | Steam phase change waterjet drive A waterjet drive engine for the propulsion of large ships includes an elongated water conduit having a rearwardly directed exhaust portal, a forward extremity having a water intake portal, and a middle portion of larger diameter than the diameter of the e... | 06/26/2001 |
| 5938975 | Method and apparatus for total energy fuel conversion systems Process of producing power comprising: providing a turbine adapted to generate shaft work, said turbine having a combustor; and a rocket engine having a nozzle and a compressor means; feeding fuel and oxidant to the rocket engine and the rocket engine compress... | 08/17/1999 |
| 5415036 | Automotive misfire cylinder identification system An automobile engine has a pressure transducer in its exhaust system, and misfires are identified by the pressure drop accompanying the misfire, and the timing of the pressure drop relative to the cylinder identification signal. This may be accomplished d... | 05/16/1995 |
| 5386687 | Method of operating a gas turbine group In a method for operating a gas turbine group (32) having an integrated steam process (33) and having an air storage installation (34), a partial mass flow (17) is extracted from a high-pressure turbine (15) of the gas turbine group (32) and passed throug... | 02/07/1995 |
| 4698965 | Hot gas source and fuel therefor A method, apparatus and the fuel therefor for creating a hot gas jet hydrogen peroxide in a maximum aqueous solution of 55% to which is added a burnable substance. The mixture is passed through a permeable mass of catalytic material such as manganese diox... | 10/13/1987 |
| 4640794 | Impulse rocket propellant An impulse rocket propellant is comprised of highly hydrated mineral salts such as boric acid hydrate HBO2.H.sub.2 O and a plaster forming agent comprising calcium oxide hydrate CaO.H2 O and sodium sulfate hydrate Na2 SO | 02/03/1987 |
