Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 6206155 | Energy absorbing protective shroud The present invention is a dissipating protection energy system designed to receive and safely dissipate the kinetic energy from high energy fragments. The energy dissipation system dissipates energy transferred to it by the incremental and progressive ru... | 03/27/2001 |
| 6075805 | Apparatus for linewidth reduction in distributed feedback or distributed Bragg reflector semiconductor lasers using vertical emission The linewidth of a distributed feedback semiconductor laser or a distributed Bragg reflector laser having one or more second order gratings is reduced by using an external cavity to couple the vertical emission back into the laser. This method and device ... | 06/13/2000 |
| 5882913 | Strain of gypsy moth virus with enhanced polyhedra and budded virus production An isolate of the gypsy moth virus Lymantria dispar nuclear polyhedrosis virus (LdNPV) that is characterized by enhanced polyhedra production, enhanced budded virus production, and stable polyhedra production during serial passage in cell culture is discl... | 03/16/1999 |
| 5641954 | Programmable delay line using laser diode taps A series of taps are created within an acousto-optic cell by imaging an array of LEDs within the cell. The illuminated tap regions are selectively changed by energizing selected LEDs. The electrical input signal produces a travelling acoustic wave within ... | 06/24/1997 |
| 5490157 | Method and apparatus for monitoring the power of a laser beam A method for monitoring the power of a laser beam in real time is disclosed. At least one optical fiber is placed through the laser beam, where a portion of light from the laser beam is coupled into the optical fiber. The optical fiber may be maintained i... | 02/06/1996 |
| 5474256 | Combustible fin protection device A combustible fin protection device (10) for protecting the fin planforms 01) on a finned projectile (100) wherein the device (10) comprises a cover member (20) fabricated from a combustible material (21) and dimensioned to envelop the fin planform (101) ... | 12/12/1995 |
| 5457984 | Internally damped, self-arresting vertical drop-weight impact test apparatus A vertical dropped-weight impact test machine has a dropped-weight barrel vertically supported on upper and lower support brackets. The dropped-weight barrel is chambered to receive a dropped-weight assembly having a latch pin at its upper end, a damping ... | 10/17/1995 |
| 5425802 | Virtual impactor for removing particles from an airstream and method for using same A virtual impactor that can remove essentially all of the particles from an airstream is disclosed. Also disclosed are a method of separating particles from the airstream using this virtual impactor, a method of concentrating the particulate matter in an ... | 06/20/1995 |
| 5411707 | Vacuum extractor incorporating a condenser column Methods and apparatus for vacuum distillation of samples suspected of containing pollutants are disclosed. The vacuum distillation apparatus contains a condenser for separating water and/or another common interfering contaminant. The distilled pollutants ... | 05/02/1995 |
| 5339256 | Expert system for analyzing eddy current measurements A method and apparatus (called DODGER) analyzes eddy current data for heat exchanger tubes or any other metallic object. DODGER uses an expert system to analyze eddy current data by reasoning with uncertainty and pattern recognition. The expert system per... | 08/16/1994 |
| 5333964 | Slip joint connector A slip joint connector for joining first and second structural elements together. The connector has a first body member attachable to the first structural element and a second body member attachable to the second structural element. The first body member ... | 08/02/1994 |
| 5286113 | Centrifugally activated bearing for high-speed rotating machinery A centrifugally activated bearing is disclosed. The bearing includes an annular member that extends laterally and radially from a central axis. A rotating member that rotates about the central axis relative to the annular member is also included. The rota... | 02/15/1994 |
| 5256799 | Preparation of 6-hydroxyindolines and their use for preparation of novel laser dyes A novel method for the synthesis of 6-hydroxyindolines and new fluorescent dyes produced therefrom, which dyes are ring-constrained indoline-based rhodamine class dyes. These dyes have absorption and emission spectra which make them particularly useful in... | 10/26/1993 |
| 5241866 | Probe shapes that measure time-averaged streamwise momentum and cross-stream turbulence intensity A method and apparatus for directly measuring the time-averaged streamwise momentum in a turbulent stream use a probe which has total head response which varies as the cosine-squared of the angle of incidence. The probe has a nose with a slight indentatio... | 09/07/1993 |
| 5191156 | Drill string enclosure The drill string enclosure consists of six component parts, including; a top bracket, an upper acrylic cylinder, an acrylic drill casing guide, a lower acrylic cylinder, a bottom bracket, and three flexible ducts. The upper acrylic cylinder is optional ba... | 03/02/1993 |
| 5184189 | Non-intrusive beam power monitor for high power pulsed or continuous wave lasers A system and method for monitoring the output of a laser is provided in which the output of a photodiode disposed in the cavity of the laser is used to provide a correlated indication of the laser power. The photodiode is disposed out of the laser beam to... | 02/02/1993 |
| 5139991 | Oxyhydrochlorination catalyst An improved catalyst and method for the oxyhydrochlorination of methane is disclosed. The catalyst includes a pyrogenic porous support on which is layered as active material, cobalt chloride in major proportion, and minor proportions of an alkali metal ch... | 08/18/1992 |
| 5124640 | Method for advanced material characterization by laser induced eddy current imaging An improved NDE method utilizes a laser source with modulator and scanning mirror, a pancake shape eddy current detecting coil, a lock-in amplifier, a system controller, and an impedance gain/phase analyzer. The laser is directed by the scanning mirror to... | 06/23/1992 |
| 5123982 | Process of making cryogenically cooled high thermal performance crystal optics A method for constructing a cooled optic wherein one or more cavities are milled, drilled or formed using casting or ultrasound laser machining techniques in a single crystal base and filled with porous material having high thermal conductivity at cryogen... | 06/23/1992 |
| 5082672 | Enzymatic deamidation of food proteins for improved food use Deamidation of food proteins by Bacillus circulans peptidoglutaminase was impaired by the large molecular size and unique conformation of these proteins. The limited ability of peptidoglutaminase to deamidate food proteins was increased dramatically by pr... | 01/21/1992 |
| 5064151 | Assured crew return vehicle The invention teaches a return vehicle for use in returning a crew to Earth from low earth orbit in a safe and relatively cost effective manner. The return vehicle comprises a cylindrically-shaped crew compartment attached to the large diameter of a conic... | 11/12/1991 |
| 5063206 | Compositions having use as treatment of neuropsychiatric deficits The present invention relates to methods of treating mental disorders and memory deficits not caused by HIV infection. The methods involve administration of a thymoleptic effective amount of defined linear peptides to patients. The peptides can be adminis... | 11/05/1991 |
| 4902647 | Surface modification using low energy ground state ion beams A method of effecting modifications at the surfaces of materials using low energy ion beams of known quantum state, purity, flux and energy. The ion beam is obtained by bombarding ion-generating molecules with electrons which are also at low energy. The e... | 02/20/1990 |
| 4895972 | Process for lowering the dielectric constant of polyimides using diamic acid additives Linear aromatic polyimides with low dielectric constants are produced by adding a diamic acid additive to the polyamic acid resin formed by the condensation of an aromatic dianhydride with an aromatic diamine. The resulting modified polyimide is a better ... | 01/23/1990 |
| 4887782 | Cyclic control sticks for helicopters A means for controlling a rotor of a helicopter utilizes cyclic pitch chas to its rotor blades, accomplished with a cyclic control stick. Cyclic control sticks have been a matter of concern in crashing situations. Prior art cyclic sticks are hinged to th... | 12/19/1989 |
| 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 |
| 4842224 | Suitport extra-vehicular access facility In a system (20) for entering and leaving a space station, a bulkhead (30) divides module (22) into an antechamber (32) and an airlock (34). A space suit (36) has a portable life support system (PLSS) interface (38) on its back. The suit is removably atta... | 06/27/1989 |
| 4834497 | Fiber optic fluid detector Particular gases or liquids are detected with a fiber optic element (11, 11a to 11j) having a cladding or coating of a material (23, 23a to 23j) which absorbs the fluid or fluids and which exhibits a change of an optical property, such as index of refract... | 05/30/1989 |
| 4801365 | Method for enriching a middle isotope using vibration-vibration pumping Method for producing isotopically enriched material by vibration-vibration excitation of gaseous molecules wherein a middle mass isotope of an isotopic mixture including lighter and heavier mass isotopes preferentially populates a higher vibrational mode ... | 01/31/1989 |
| 4780276 | Castable hot corrosion resistant alloy About ten weight percent nickel is added to a Fe-base alloy which has a ferrite microstructure to improve the high temperature castability and crack resistance while about 0.2 weight percent zirconium is added for improved high temperature cyclic oxidatio... | 10/25/1988 |
| 4764329 | Producing explosive material in granular form In mass production of explosive warheads, heat-meltable explosive material s continuously converted from an amorphous mass into small solid granules by directing melted exposive in a thin continuous stream against the upper inside surface of a rotating, ge... | 08/16/1988 |
| 4648133 | Synchronization tracking in pulse position modulation receiver A clock pulse generator for decoding pulse position modulation in an optical communication receiver is synchronized by a delay tacking loop which multiplies impulses of a data pulse by the square-wave clock pulses from the generator to produce positive im... | 03/03/1987 |
| 4592515 | Soil pulverizing mill A compact, portable pulverizing apparatus having a plurality of beater-bars (14) rotatably mounted to a plurality of support rods (16). The support rods (16) are eccentrically disposed about the periphery of two support disks (17). The support disks (17) ... | 06/03/1986 |
| 4569427 | Shaft coupling device An improved coupling for driven shafts is formed by juxtaposed bores. A se core is disposed within the chamber formed by the bores. A plurality of radially extending splines are formed and used to rotatably fasten the core and the shafts. Adjustment mean... | 02/11/1986 |
| 4512639 | Erectable large optic for outer space application An erectable large optics for outer space application which includes a beam expander optic which is constructed as the output coupling portion of a feedback mirror of an unstable optical resonator and a large erectable gas lens has the focusing optic of a... | 04/23/1985 |
| 4497935 | Elastomer toughened polyimide adhesives A rubber-toughened addition-type polyimide composition having excellent high temperature bonding characteristics in the fully cured state and improved peel strength and adhesive fracture resistance physical property characteristics is disclosed. The proce... | 02/05/1985 |
| 4483500 | Piping support system for liquid-metal fast-breeder reactor A pipe support consisting of a rigid link pivotally attached to a pipe and an anchor, adapted to generate stress or strain in the link and pipe due to pipe thermal movement, which stress or strain can oppose further pipe movement and generally provides pi... | 11/20/1984 |
| 4447537 | Tick cell lines Six new cell lines of Acari: Ixodidae are provided, four from embryonic tissue of Dermacentor variabilis and two from embryonic tissue of Dermacentor parumapertus; and the use of these cell lines for replicating representative microorganisms is shown.... | 05/08/1984 |
| 4361911 | Laser retroreflector system for identification of friend or foe A high power laser interrogator with a dedicated receiver transmits a first ulse having a cryptic interrogation meassage therein which is detected by a suitable detector in a retroreceiver aboard a friendly target. At a predetermined time later, a second l... | 11/30/1982 |
| 4299166 | Containment and release device for fluids A dispenser retains a hermetically sealed metal canister which holds a pyrophoric fluid, radar chaff, other electronic countermeasure materials or a combination thereof for ejection from an aircraft. Several openings in the canister are sealed with Pyrofu... | 11/10/1981 |
