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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 8110082 | Photoelectrochemical molecular comb A method, system, and apparatus are provided for separating molecules, such as biomolecules. The method, system, and apparatus utilize an electrochemical cell having at least two electrodes, one electrode comprising a photo-sensitive material capable of generating a... | 02/07/2012 |
| 7491934 | SEM technique for imaging and measuring electronic transport in nanocomposites based on electric field induced contrast Methods and apparatus are described for SEM imaging and measuring electronic transport in nanocomposites based on electric field induced contrast. A method includes mounting a sample onto a sample holder, the sample including a sample material; wire bonding leads fr... | 02/17/2009 |
| 7438004 | MgAl2O4 spinel refractory as containment liner for high-temperature alkali salt containing environments A method includes containing a high-temperature alkali salt containing environment using a refractory containment liner containing MgAl2O4 spinel. A method, includes forming a refractory brick containing MgAl2O4 spinel hav... | 10/21/2008 |
| 7255781 | Production of aligned microfibers and nanofibers and derived functional monoliths The present invention comprises a method for producing microfibers and nanofibers and further fabricating derived solid monolithic materials having aligned uniform micro- or nanofibrils. A method for producing fibers ranging in diameter from micrometer-sized to nano... | 08/14/2007 |
| 7105832 | Composite solid-state scintillators for neutron detection Applicant's present invention is a composite scintillator for neutron detection comprising a matrix material fabricated from an inorganic sol-gel precursor solution homogeneously doped with a liquid scintillating material and a neutron absorbing material. The neutro... | 09/12/2006 |
| 6972408 | Ultra high mass range mass spectrometer systems Applicant's present invention comprises mass spectrometer systems that operate in a mass range from 1 to 1016 DA. The mass spectrometer system comprising an inlet system comprising an aerodynamic lens system, a reverse jet being a gas flux generated in an... | 12/06/2005 |
| 4871527 | No-carrier-added [18 F]-N-fluoroalkylspiroperidols There is disclosed radioligands labeled with the position emitting radionuclide [18 F] suitable for dynamic study in living humans with position emission transaxial tomography. These new [18 F]-N-fluoroalkylspiroperidols, wherein the... | 10/03/1989 |
| 4870295 | Photoconductive circuit element pulse generator A pulse generator for characterizing semiconductor devices at millimeter wavelength frequencies where a photoconductive circuit element (PCE) is biased by a direct current voltage source and produces short electrical pulses when excited into conductance b... | 09/26/1989 |
| 4870648 | X-ray beamsplitter An x-ray beamsplitter which splits an x-ray beam into two coherent parts by reflecting and transmitting some fraction of an incident beam has applications for x-ray interferometry, x-ray holography, x-ray beam manipulation, and x-ray laser cavity output c... | 09/26/1989 |
| 4869625 | Combination drilling and skiving tool A combination drilling and skiving tool including a longitudinally extending hollow skiving sleeve slidably and concentrically mounted on a right-handed twist drill. Dogs or pawls provided on the internal periphery of the skiving sleeve engage with the he... | 09/26/1989 |
| 4867866 | Municipal waste processing apparatus Municipal waste materials are processed by crushing the materials so that pieces of noncombustible material are smaller than a selected size and pieces of combustible material are larger than the selected size. The crushed materials are placed on a vibrat... | 09/19/1989 |
| 4867951 | Separation of actinides from lanthanides An organic extracting solution and an extraction method useful for separating elements of the actinide series of the periodic table from elements of the lanthanide series, where both are in trivalent form. The extracting solution consists of a primary lig... | 09/19/1989 |
| 4867868 | Selective flotation of inorganic sulfides from coal Pyritic sulfur is removed from coal or other carbonaceous material through the use of humic acid as a coal flotation depressant. Following the removal of coarse pyrite, the carbonaceous material is blended with humic acid, a pyrite flotation collector and... | 09/19/1989 |
| 4866147 | Soluble silylated polyacetylene derivatives and their use as percursors to novel polyacetylene-type polymers Polymerization of acetylenic monomers is achieved by using a catalyst which is the reaction product of a tungsten compound and a reducing agent effective to reduce W(VI) to W(III and/or IV), e.g., WCl6.(organo-Li, organo-Mg or polysilane). The ... | 09/12/1989 |
| 4863198 | Split gland A split gland having only three parts is described. The gland has substantially the same stability to the relative motion of the constituent half-gland members during the attachment process to a female fitting as have more complicated designs. Ease of man... | 09/05/1989 |
| 4864652 | Method and apparatus for reducing radiation exposure through the use of infrared data transmission A method and apparatus is described for transmitting information, for exae, dosimetry data from a hazardous environment such as a radioactive area to a remote relatively safe location. A radiation detector senses the radiation and generates an electrical... | 09/05/1989 |
| 4864236 | Wire inhomogeneity detector having a core with opposing pole pieces and guide pieces adjacent the opposing pole pieces A device for uncovering imperfections in electrical conducting wire, particularly superconducting wire, by detecting variations in eddy currents. Eddy currents effect the magnetic field in a gap of an inductor, contained in a modified commercial ferrite c... | 09/05/1989 |
| 4861408 | Modification of polymeric surface for improved adhesion via electron beam exposure Treating polymer surfaces, e.g., Teflon, particularly very thin surfaces, e.g., 50-10,000 Å with low energy electron radiation, e.g., 100-1000 eV, in a high vacuum environment, e.g., less than 10-6 Torr, to enhance the ability of the surface t... | 08/29/1989 |
| 4858441 | Heat-driven acoustic cooling engine having no moving parts A heat-driven acoustic cooling engine having no moving parts receives heat from a heat source. The acoustic cooling engine comprises an elongated resonant pressure vessel having first and second ends. A compressible fluid having a substantial thermal expa... | 08/22/1989 |
| 4859054 | Proximity fuze A proximity fuze system includes an optical ranging apparatus, a detonation circuit controlled by the optical ranging apparatus, and an explosive charge detonated by the detonation cirtcuit. The optical ranging apparatus includes a pulsed laser light sour... | 08/22/1989 |
| 4858529 | Spark-safe low-voltage detonator A column of explosive in a low-voltage detonator which makes it spark-safe ncludes an organic secondary explosive charge of HMX in the form of a thin pad disposed in a bore of a housing of the detonator in an ignition region of the explosive column and adj... | 08/22/1989 |
| 4858476 | Breathing zone air sampler A sampling apparatus is provided which comprises a sampler for sampling air in the breathing zone of a wearer of the apparatus and a support for the sampler preferably in the form of a pair of eyeglasses. The sampler comprises a sampling assembly supporte... | 08/22/1989 |
| 4857740 | Wire chamber A wire chamber or proportional counter device, such as Geiger-Mueller tube or drift chamber, improved with a gas mixture providing a stable drift velocity while eliminating wire aging caused by prior art gas mixtures. The new gas mixture is comprised of e... | 08/15/1989 |
| 4857739 | Packet personal radiation monitor A personal radiation monitor of the chirper type is provided for detecting ionizing radiation. A battery powered high voltage power supply is used to generate and apply a high voltage bias to a G-M tube radiation sensor. The high voltage is monitored by a... | 08/15/1989 |
| 4857266 | Dispersion strengthened copper A composition of matter comprised of copper and particles which are dispersed throughout the copper, where the particles are comprised of copper oxide and copper having a coating of copper oxide, and a method for making this composition of matter.... | 08/15/1989 |
| 4855030 | Dendrite inhibitor An apparatus for removing dendrites or other crystalline matter from the surface of a liquid in a matter transport process, and an electrolytic cell including such an apparatus. A notch may be provided to allow continuous exposure of the liquid surface, a... | 08/08/1989 |
| 4854173 | Measurement of intergranular attack in stainless steel using ultrasonic energy Ultrasonic test methods are used to measure the depth of intergranular attack (IGA) in a stainless steel specimen. The ultrasonic test methods include a pitch-catch surface wave technique and a through-wall pulse-echo technique. When used in combination, ... | 08/08/1989 |
| 4851124 | Method of removing and detoxifying a phosphorus-based substance A method of removing organic phosphorus-based poisonous substances from water contaminated therewith and of subsequently destroying the toxicity of the substance is disclosed. Initially, a water-immiscible organic is immobilized on a supported liquid memb... | 07/25/1989 |
| 4851183 | Underground nuclear power station using self-regulating heat-pipe controlled reactors A nuclear reactor for generating electricity is disposed underground at the bottom of a vertical hole that can be drilled using conventional drilling technology. The primary coolant of the reactor core is the working fluid in a plurality of thermodynamica... | 07/25/1989 |
| 4850693 | Compact portable diffraction moire interferometer A compact and portable moire interferometer used to determine surface deformations of an object. The improved interferometer is comprised of a laser beam, optical and fiber optics devices coupling the beam to one or more evanescent wave splitters, and col... | 07/25/1989 |
| 4849309 | Overcharge tolerant high-temperature cells and batteries In a lithium-alloy/metal sulfide high temperature electrochemical cell, cell damage caused by overcharging is avoided by providing excess lithium in a high-lithium solubility phase alloy in the negative electrode and a specified ratio maximum of the capac... | 07/18/1989 |
| 4849169 | High temperature creep resistant austenitic alloy An improved austenitic alloy having in wt % 19-21 Cr, 30-35 Ni, 1.5-2.5 Mn, 2-3 Mo, 0.1-0.4 Si, 0.3-0.5 Ti, 0.1-0.3 Nb, 0.1-0.5 V, 0.001-0.005 P, 0.08-0.12 C, 0.01-0.03 N, 0.005-0.01 B and the balance iron that is further improved by annealing for up to 1... | 07/18/1989 |
| 4847008 | Lead iron phosphate glass as a containment medium for disposal of high-level nuclear waste Lead-iron phosphate glasses containing a high level of Fe2 O3 for use as a storage medium for high-level radioactive nuclear waste. By combining lead-iron phosphate glass with various types of simulated high-level nuclear waste, a hi... | 07/11/1989 |
| 4845368 | Method for the substantial reduction of quenching effects in luminescence spectrometry Method for reducing quenching effects in analytical luminescence measurements. Two embodiments of the present invention are described which relate to a form of time resolution based on the amplitudes and phase shifts of modulated emission signals. In the ... | 07/04/1989 |
| 4841792 | Variable loading roller An automatic loading roller for transmitting torque in traction drive devices in manipulator arm joints includes a two-part camming device having a first cam portion rotatable in place on a shaft by an input torque and a second cam portion coaxially rotat... | 06/27/1989 |
| 4841621 | Shaft adjuster Apparatus and method for the adjustment and alignment of shafts in high power devices. A plurality of adjacent rotatable angled cylinders are positioned between a base and the shaft to be aligned which when rotated introduce an axial offset. The apparatus... | 06/27/1989 |
| 4841778 | Optical fiber sensor technique for strain measurement Laser light from a common source is split and conveyed through two similar optical fibers and emitted at their respective ends to form an interference pattern, one of the optical fibers having a portion thereof subjected to a strain. Changes in the strain... | 06/27/1989 |
| 4842963 | Zinc electrode and rechargeable zinc-air battery An improved zinc electrode is disclosed for a rechargeable zinc-air battery comprising an outer frame and a porous foam electrode support within the frame which is treated prior to the deposition of zinc thereon to inhibit the formation of zinc dendrites ... | 06/27/1989 |
| 4841570 | One-way transformation of information Method and apparatus are provided for one-way transformation of data according to multiplication and/or exponentiation modulo a prime number. An implementation of the invention permits the one way residue transformation, useful in encryption and similar a... | 06/20/1989 |
| 4840903 | Process for producing ethanol from plant biomass using the fungus paecilomyces sp. A process for producing ethanol from plant biomass is disclosed. The process in cludes forming a substrate from the biomass with the substrate including hydrolysates of cellulose and hemicellulose. A species of the fungus Paecilomyces, which has the abili... | 06/20/1989 |
