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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7323270 | Modular fuel-cell stack assembly A modular multi-stack fuel-cell assembly in which the fuel-cell stacks are situated within a containment structure and in which a gas distributor is provided in the structure and distributes received fuel and oxidant gases to the stacks and receives exhausted fuel a... | 01/29/2008 |
| 7197880 | Lean blowoff detection sensor Apparatus and method for detecting incipient lean blowoff conditions in a lean premixed combustion nozzle of a gas turbine. A sensor near the flame detects the concentration of hydrocarbon ions and/or electrons produced by combustion and the concentration monitored ... | 04/03/2007 |
| 5728953 | Cable load sensing device Apparatus for sensing the magnitude of a load on a cable as the cable is employed to support the load includes a beam structure clamped to the cable so that a length of the cable lies along the beam structure. A spacer associated with the beam structure f... | 03/17/1998 |
| 5703003 | Durable regenerable sorbent pellets for removal of hydrogen sulfide from coal gas Pellets for removing hydrogen sulfide from a coal gasification stream at an elevated temperature are prepared in durable form usable over repeated cycles of absorption and regeneration. The pellets include a material reactive with hydrogen sulfide, in par... | 12/30/1997 |
| 5702335 | Remote drill bit loader A drill bit loader for loading a tapered shank of a drill bit into a similarly tapered recess in the end of a drill spindle. The spindle has a transverse slot at the inner end of the recess. The end of the tapered shank of the drill bit has a transverse t... | 12/30/1997 |
| 5686365 | Method for dissolution and stabilization of silica-rich fibers A method for dissolving silica-rich fibers such as borosilicate fibers, fiberglass and asbestos to stabilize them for disposal. The method comprises (1) immersing the fibers in hot, five-weight-percent sodium hydroxide solution until the concentration of ... | 11/11/1997 |
| 5673331 | Method and apparatus for reading meters from a video image A method and system to enable acquisition of data about an environment from one or more meters using video images. One or more meters are imaged by a video camera and the video signal is digitized. Then, each region of the digital image which corresponds ... | 09/30/1997 |
| 5662052 | Method and system including a double rotary kiln pyrolysis or gasification of waste material A method of destructively distilling an organic material in particulate form wherein the particulates are introduced through an inlet into one end of an inner rotating kiln ganged to and coaxial with an outer rotating kiln. The inner and outer kilns defin... | 09/02/1997 |
| 5659915 | Off gas film cooler cleaner An apparatus for cleaning depositions of particulate matter from the inside of tubular piping while the piping is in use. The apparatus is remote controlled in order to operate in hazardous environments. A housing containing brush and shaft assemblies is ... | 08/26/1997 |
| 5597501 | Precision control of high temperature furnaces using an auxiliary power supply and charged practice current flow Two power supplies are combined to control a furnace. A main power supply heats the furnace in the traditional manner, while the power from the auxiliary supply is introduced as a current flow through charged particles existing due to ionized gas or therm... | 01/28/1997 |
| 5576561 | Radiation-tolerant imaging device A barrier at a uniform depth for an entire wafer is used to produce imaging devices less susceptible to noise pulses produced by the passage of ionizing radiation. The barrier prevents charge created in the bulk silicon of a CCD detector or a semiconducto... | 11/19/1996 |
| 5442158 | Heating element support clip An apparatus for supporting a heating element in a channel formed in a heater base is disclosed. A preferred embodiment includes a substantially U-shaped tantalum member. The U-shape is characterized by two substantially parallel portions of tantalum that... | 08/15/1995 |
| 5435942 | Process for treating alkaline wastes for vitrification A process for treating alkaline wastes for vitrification. The process involves acidifying the wastes with an oxidizing agent such as nitric acid, then adding formic acid as a reducing agent, and then mixing with glass formers to produce a melter feed. The... | 07/25/1995 |
| 5434770 | High voltage power supply with modular series resonant inverters A relatively small and compact high voltage, high current power supply for a laser utilizes a plurality of modules containing series resonant half bridge inverters. A pair of reverse conducting thyristors are incorporated in each series resonant inverter ... | 07/18/1995 |
| 5378631 | Separation of strontium from fecal matter A method of separating strontium from a sample of biomass potentially contaminated with various radionuclides. After the sample is reduced, dissociated, and carried on a first precipitate of actinides, the first precipitate is removed to leave a supernate... | 01/03/1995 |
| 5375321 | Method for fabricating fan-fold shielded electrical leads Fan-folded electrical leads made from copper cladded Kapton, for example, with the copper cladding on one side serving as a ground plane and the copper cladding on the other side being etched to form the leads. The Kapton is fan folded with the leads loca... | 12/27/1994 |
| 5361056 | Correction coil cable A wire cable assembly (10, 310) adapted for the winding of electrical coils is taught. A primary intended use is for use in particle tube assemblies (532) for the superconducting super collider. The correction coil cables (10, 310) have wires (14, 314) co... | 11/01/1994 |
| 5354438 | Separation of metal ions from aqueous solutions A process and apparatus for quantitatively and selectively separating metal ions from mixtures thereof in aqueous solution. The apparatus includes, in combination, a horizontal electrochemical flow cell containing flow bulk electrolyte solution and an aqu... | 10/11/1994 |
| 5319955 | Tritium monitor A system for continuously monitoring the concentration of tritium in an aqueous stream. The system pumps a sample of the stream to magnesium-filled combustion tube which reduces the sample to extract hydrogen gas. The hydrogen gas is then sent to an isoto... | 06/14/1994 |
| 5308808 | Organic or organometallic template mediated clay synthesis A method for incorporating diverse Varieties of intercalants or templates directly during hydrothermal synthesis of clays such as hectorite or montmorillonite-type layer-silicate clays. For a hectorite layer-silicate clay, refluxing a gel of silica sol, m... | 05/03/1994 |
| 5298428 | Self-referencing spectrophotometric measurements A method for measuring the concentration of a chemical substance by spectrophotometry comprising the steps of placing a sample of a photoreactive substance between the light source and a spectrophotometer, obtaining an absorption spectrum of the substance... | 03/29/1994 |
| 5222436 | Propulsion and stabilization system for magnetically levitated vehicles A propulsion and stabilization system for an inductive repulsion type magnetically levitated vehicle which is propelled and stabilized by a system which includes propulsion windings mounted above and parallel to vehicle-borne suspension magnets. A linear ... | 06/29/1993 |
| 5203378 | High-flexibility, noncollapsing lightweight hose A high-flexibility, noncollapsing, lightweight, large-bore, wire-reinforced hose is inside fiber-reinforced PVC tubing that is flexible, lightweight, and abrasion resistant. It provides a strong, kink- and collapse-free conduit for moving large quantities... | 04/20/1993 |
| 5175506 | Voltage regulation in linear induction accelerators Improvement in voltage regulation in a Linear Induction Accelerator wherein a varistor, such as a metal oxide varistor, is placed in parallel with the beam accelerating cavity and the magnetic core. The non-linear properties of the varistor result in a mo... | 12/29/1992 |
| 5167938 | Process for strontium-82 separation A process for selective separation of strontium-82 and strontium-85 from proton irradiated molybdenum targets comprises dissolving the molybdenum target in a hydrogen peroxide solution to form a first solution containing ions selected from a group consist... | 12/01/1992 |
| 5168393 | Copper vapor laser modular packaging assembly A modularized packaging arrangement for one or more copper vapor lasers and associated equipment is disclosed herein. This arrangement includes a single housing which contains the laser or lasers and all their associated equipment except power, water and ... | 12/01/1992 |
| 5168400 | Laser pulse stacking method A laser pulse stacking method is disclosed. A problem with the prior art has been the generation of a series of laser beam pulses where the outer and inner regions of the beams are generated so as to form radially non-synchronous pulses. Such pulses thus ... | 12/01/1992 |
| 5106105 | Rotary kiln seal A rotary seal used to prevent the escape of contaminates from a rotating kiln incinerator. The rotating seal combines a rotating disc plate which is attached to the rotating kiln shell and four sets of non-rotating carbon seal bars housed in a primary and... | 04/21/1992 |
| 5103186 | Tandem betatron Two betatrons are provided in tandem for alternately accelerating an electron beam to avoid the single flux swing limitation of conventional betatrons and to accelerate the electron beam to high energies. The electron beam is accelerated in a first betatr... | 04/07/1992 |
| 5100585 | Process for the recovery of strontium from acid solutions The invention is a process for selectively extracting strontium and technetium values from aqueous nitric acid waste solutions containing these and other fission product values. The extractant is a macrocyclic polyether in a diluent which is insoluble in ... | 03/31/1992 |
| 5084625 | Apparatus for transporting hazardous materials An apparatus and method are provided for selectively receiving, transporting, and releasing one or more radioactive or other hazardous samples for analysis on a differential thermal analysis (DTA) apparatus. The apparatus includes a portable sample transp... | 01/28/1992 |
| 5084312 | Molten metal containment vessel with rare earth oxysulfide protective coating thereon and method of making same An improved molten metal containment vessel is disclosed in which wetting of the vessel's inner wall surfaces by molten metal is inhibited by coating at least the inner surfaces of the containment vessel with one or more rare earth oxysulfide or rare eart... | 01/28/1992 |
| 5072094 | Tube furnace A vermiculite insulated tube furnace is heated by a helically-wound resistance wire positioned within a helical groove on the surface of a ceramic cylinder, that in turn is surroundingly disposed about a doubly slotted stainless steel cylindrical liner. F... | 12/10/1991 |
| 5055724 | Open-cycle magnetohydrodynamic power plant with CO2 recycling A method of converting the chemical energy of fossil fuel to electrical and mechanical energy with a MHD generator. The fossil fuel is mixed with preheated oxygen and carbon dioxide and a conducting seed of potassium carbonate to form a combustive and ele... | 10/08/1991 |
| 5052011 | Explosively pumped laser light A single shot laser pumped by detonation of an explosive in a shell casing. The shock wave from detonation of the explosive causes a rare gas to luminesce. The high intensity light from the gas enters a lasing medium, which thereafter outputs a pulse of l... | 09/24/1991 |
| 5047559 | Novel fluorinated laser dyes A novel class of dye is disclosed which is particularly efficient and stable for dye laser applications, lasing between 540 and 570 nm.... | 09/10/1991 |
| 5044911 | Apparatus for injection casting metallic nuclear energy fuel rods Molds for making metallic nuclear fuel rods are provided which present reduced risks to the environment by reducing radioactive waste. In one embodiment, the mold is consumable with the fuel rod, and in another embodiment, part of the mold can be re-used.... | 09/03/1991 |
| 5022892 | Fine coal cleaning via the micro-mag process A method of cleaning particulate coal which is fed with a dense medium slurry as an inlet feed to a cyclone separator. The coal particle size distribution is in the range of from about 37 microns to about 600 microns. The dense medium comprises water and ... | 06/11/1991 |
| 5023213 | Precursors in the preparation of transition metal nitrides and transition metal carbonitrides and their reaction intermediates A process for making ammonolytic precursors to nitride and carbonitride ceramics. Extreme reaction conditions are not required and the precursor is a powder-like substance that produces ceramics of improved purity and morphology upon pyrolysis.... | 06/11/1991 |
| 5021193 | Nonaqueous polypyrrole colloids Processable conductive polymers including an oxidized, polymerized aromatic heterocyclic monomer, e.g., pyrrole, an stabilizing effective amount of a poly(vinyl acetate) and dopant anions, and a process of preparing said processable conductive polymers di... | 06/04/1991 |
