Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7371065 | Apparatus and method for the controlled production of nano-soot particles In order to provide an apparatus for the controlled production of nano-soot particles, a pore burner and a mixing device for the production of a pre-mixture of fuel and oxidizing agent are provided, wherein the mixing device is coupled to the pore burner so that the... | 05/13/2008 |
| 7312452 | Mobile remote detection device and remote detection method for methane gas accumulations The invention relates to a mobile remote detection device for accumulations of methane, comprising an emitter device having a light source in order to generate light, the wavelength of said light source being tuned with the spectral signature of methane, whereby the... | 12/25/2007 |
| 7105236 | Thermal-insulating material having an essentially magnetoplumbitic crystal structure The subject matter of the invention is a thermal-insulating material having an essentially magnetoplumbitic crystal structure, a metal substrate having a adhesive layer and a thermal-insulating layer made of the thermal-insulating material on its surface, and a proc... | 09/12/2006 |
| 7048836 | Thermal-insulating material having an essentially magnetoplumbitic crystal structure Thermal-insulating material provided on a metal substrate by means of an EB-PVD process includes a metal having a substantially magnetoplumbitic crystal structure and having a chemical composition according to general formula: Ln3+M2+1+x | 05/23/2006 |
| 6833163 | Calibrating body A calibrating consists at least in part of a carbon fiber composite body. The composite body is formed from a porous material from a carbon-containing matrix, into which carbon fibers are embedded, this matrix is thickened by fluid infiltration of Si, which is essen... | 12/21/2004 |
| 6818159 | Process for the production of a composite consisting of a fiber reinforced material In order to provide a process for the production of a component consisting of a fiber reinforced material, with which liquid resin is supplied to a semifinished fiber article by way of application by vacuum pressure, it is provided for a heat curing resin to be used... | 11/16/2004 |
| 6586169 | Lithography exposure device and lithography process In order to create a lithography exposure device for producing structures extending in a surface area in a light-sensitive layer, with which a radiation field can be generated in the light-sensitive layer and with a control for controlling the intensity a... | 07/01/2003 |
| 6570896 | Laser radiation source and process for generating a coherent total laser radiation field A laser radiation source is provided with an array of N individual slave laser diodes in a predetermined surface area. Adjustable power supply networks enable adjustment of the slave laser diodes relative to one another for operation in a stable manner. T... | 05/27/2003 |
| 6459205 | Propulsion device and method of generating shock waves For providing a propulsion device particularly for a spacecraft, comprising a plasma chamber in which a plasma can be produced in a propellant, and a focussing arrangement for focussing an electromagnetic radiation field into a focussing region in the pla... | 10/01/2002 |
| 6433815 | Method and device for imaging with high geometrical resolution on a microsatellite A method and a device for imaging with high geometrical resolution on a microsatellite. The device includes an objective and a focal plane on which an extended optical detector is fitted. The objective and the focal plane being fastened rigidly to the mic... | 08/13/2002 |
| 6412351 | Method and measuring apparatus for determining the volumetric gas content A method and apparatus for determining the volumetric gas content in a two-phase flow of a medium comprising a gas phase and a liquid phase which has an unknown flow shape are provided. Simple and reliable measurements are achieved by converting the two-p... | 07/02/2002 |
| 6408255 | Spacecraft A device for determining the operational condition of a mechanical apparatus (11-15) mounted in or to a spacecraft (10) which includes an acceleration pickup (20) attached to the spacecraft (10) for measuring the acceleration of the spacecraft (10), and a... | 06/18/2002 |
| 6388606 | Aircraft or spacecraft based synthetic aperture radar In the inventive aircraft based or spacecraft based radar system with synthetic antenna aperture (SAR=Synthetic Aperture Radar) a transmit antenna and a receive antenna are provided according to a bistatic radar, which are arranged above the earth's surfa... | 05/14/2002 |
| 6383422 | Porous member with penetrating channels for fluid flow therethrough and a method of producing the member According to the present invention, a porous member made of temperature-resistant material for filtering and/or mixing fluids comprises first channels (132) and second channels (138) respectively extending therethrough. The channels extend under an acute ... | 05/07/2002 |
| 6377714 | Method for archiving master images by digital image data processing A method for archiving a master image, including the steps of pre-detecting a resolution of a master image which is at least one of a geometric, a radiometric and a spectral resolution, adaptively matching a resolution of an optical device to the pre-dete... | 04/23/2002 |
| 6358565 | Method for making a protective coating containing silicon carbide The present invention relates to a method for making a protective coating containing silicon carbide on at least a portion of the surface of a substrate made from a material with a softening temperature that is above the temperature applied to make the pr... | 03/19/2002 |
| 6334515 | Brake disk A brake disk for disk brakes of vehicles is made of a material of the carbon group and the brake disk is formed as a ventilated brake disk made up of two individual friction rings which are undetachably connected with one another. The two friction rings a... | 01/01/2002 |
| 6279312 | Gas turbine with solar heated steam injection system The energy generating installation comprises a gas turbine (10) which is operated by steam injected via a steam line (16). The outlet (18) of the gas turbine (10) is connected with the heat exchanger (21) of a waste heat boiler (19). The waste heat boiler... | 08/28/2001 |
| 6279872 | Quick-acting valve A valve has a chamber (11) in a housing (10), in which the valve seat (17) is closed by a valve body (19). The valve seat (17) is supported by an actuator (15) which is capable of axially expanding and contracting. In response to an actuating signal the a... | 08/28/2001 |
| 6273924 | Tool for machining workpieces by cutting A tool for machining workpieces, specially metal workpieces, by cutting, e.g., grinding, polishing, milling, separating or honing, comprising at least one stock-removing tool portion and whose machining range consists of a composite material containing a ... | 08/14/2001 |
| 6236948 | Process and device for determining a measured value of a target measured variable of a multiphase flow In order to develop a method for determining a measured value of a target measured variable of a multiphase flow, in particular, of a two-phase flow, wherein a value of a pressure of the multiphase flow is measured as a primary measured variable by means ... | 05/22/2001 |
| 6219363 | Method of frequency conversion of the radiation of a pulsed optical parametric oscillator (OPO) and device for executing the method A method and device for frequency conversion of the radiation of a pulsed optical parametric oscillator (OPO) through sum or difference frequency mixing of a pulsed laser pump radiation with an OPO radiation, where the frequency mixing is integrated into ... | 04/17/2001 |
| 6193027 | Friction unit The friction unit, in particular brake disc, has at least one friction face, with a friction element and with at least one molded unit, the friction element being made from carbon fiber-reinforced composite material and joined permanently to the molded un... | 02/27/2001 |
| 6176454 | Apparatus for influencing the flow separation from a body immersed in the flow An apparatus serves for influencing the separation of a flow 2 from a body 1 immersed in the flow. The apparatus excites a shear layer 11 of the flow 2 at the immersed body 1 by periodic blowing and suction in order to act against further separation of th... | 01/23/2001 |
| 6164599 | Aerofoil profile with variable profile adaptation In an aerofoil profile with variable profile adaptation and rigid rib structure, the aerofoil profile has a flexible rib structure with rib elements, which are arranged in segments and are articulated to one another in the form of a kinematic chain in ord... | 12/26/2000 |
| 6157755 | Laser system In order to improve a laser system comprising a fiber bundle consisting of single mode fibers which form with a first end a fiber bundle end, at which a total radiation field, which can be imaged onto a target surface, is formed from laser radiation exiti... | 12/05/2000 |
| 6151887 | Combustion chamber for rocket engine In order to provide a combustion chamber, in particular for a rocket engine, comprising a combustion area, an inner shell surrounding the combustion area, an outer shell surrounding the inner shell and coolant passages formed between the inner shell and t... | 11/28/2000 |
| 6141949 | Process and apparatus using solar energy in a gas and steam power station In order to create a process for using solar energy in a gas and steam power station, which incorporates a gas turbine circuit and a steam turbine circuit for converting thermal energy into mechanical work, whereby a compressed gaseous heat carrier which ... | 11/07/2000 |
| 6138956 | Aerofoil profile with variable profile adaptation In an aerofoil profile with variable profile adaptation, a rib structure of the aerofoil profile is provided which has rigid regions and flexible regions. The flexible region of a rib has at least three rib elements. The rib elements are articulated to on... | 10/31/2000 |
| 6123293 | Engine mount, particularly for a propeller-driven aircraft, comprising a tubular frame structure An engine mount (1) is disclosed which is particularly suitable for a propeller-driven aircraft. The engine mount (1) comprises a tubular frame structure (3) for the attachment of an engine (4) to a supporting structure, particularly to a cowling box (2).... | 09/26/2000 |
| 6119046 | Method of controlling a chopper driver and a circuit arrangement for executing the method Depending on the desired direction of current flux through an electrical load such as a stepped motor, in a measuring bridge circuit provided with switchable semiconductors and recovery diodes the semiconductors through which the current direction is swit... | 09/12/2000 |
| 6105445 | Method of obtaining an error signal in a positioning device In a method of obtaining an error signal (15) in a positioning device (1), with which a tool (4) is positioned relative to target object (3), the tool's (4) acceleration in the direction of at least one of the tool's motion components is recorded with at ... | 08/22/2000 |
| 6099931 | Insulation system In order to provide an insulation system for internal thermal insulation of a pressure chamber which can be subjected to pressure by a gas flow, the system being constructed for arrangement at an inner surface of an outer jacket of the pressure chamber an... | 08/08/2000 |
| 6093903 | Plasma burner device with adjustable anode and fixed cathode A plasma burner is provided which includes a combustion chamber, in which an arc is generated between an adjustable anode and a fixed cathode. An operating gas is supplied to the combustion chamber for plasma formation. A positioning device enables the an... | 07/25/2000 |
| 6081754 | Method of command control for interactive path guidance of kinematically-redundant manipulator Beginning with a successive commanded end-effector destination shift, the method of the invention, which includes a calculation corresponding to a special algorithm of inverse kinematics using the Jacobi Matrix in the control of a manipulator, effects an ... | 06/27/2000 |
| 6076776 | Profile edge of an aerodynamic profile In the case of a profile edge of an aerodynamic profile the profile edge (1, 20) comprises multifunctional material on its outside (3, 23) and/or inside (2, 22) or within its structure (11).... | 06/20/2000 |
| 6050085 | Method of injecting a first and a second fuel component and injection head for a rocket In order to improve a method of injecting a first and a second fuel component into a combustion chamber, particularly of a rocket engine, wherein an injection element guides the first fuel component in an inner cylindrical stream and the injection element... | 04/18/2000 |
| 6045291 | Method and device for transmission of forces between two joined parts A method for transmitting forces between two joined parts. A connection element is introduced into two corresponding openings in the two joined parts. A first undercut on a connection head of the connection element extends obliquely to the direction of fo... | 04/04/2000 |
| 6036838 | Method for determining the substance conversion during electrochemical reactions and electrochemical unit In order to improve a method for determining the substance conversion during areal electrochemical reactions in at least one local surface area between a counterelectrode arrangement of an areal design and an electrode arrangement of an areal design, whic... | 03/14/2000 |
| 6035850 | Concentrator for focusing solar radiation A concentrator for focusing solar radiation onto an elongate absorber, comprising a plurality of transverse supports arranged one behind the other in the longitudinal direction, stabilizing the concentrator in the transverse direction and defining the sha... | 03/14/2000 |
