...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 |
| 6022424 | Atomization methods for forming magnet powders The invention encompasses methods of utilizing atomization, methods for forming magnet powders, methods for forming magnets, and methods for forming bonded magnets. The invention further encompasses methods for simulating atomization conditions. In one as... | 02/08/2000 |
| 6016714 | Sensor system for buried waste containment sites A sensor system is disclosed for a buried waste containment site having a bottom wall barrier and/or sidewall barriers, for containing hazardous waste. The sensor system includes one or more sensor devices disposed in one or more of the barriers for detec... | 01/25/2000 |
| 5995864 | Dose factor entry and display tool for BNCT radiotherapy A system for use in Boron Neutron Capture Therapy (BNCT) radiotherapy planning where a biological distribution is calculated using a combination of conversion factors and a previously calculated physical distribution. Conversion factors are presented in a... | 11/30/1999 |
| 5994604 | Method and apparatus for low temperature destruction of halogenated hydrocarbons A method and apparatus for decomposing halogenated hydrocarbons are provided. The halogenated hydrocarbon is mixed with solvating agents and maintained in a predetermined atmosphere and at a predetermined temperature. The mixture is contacted with recycla... | 11/30/1999 |
| 5993660 | Method of remediation of contaminants in porous media through minimization of bouyancy effects A method for controlling vertical migration of contaminants in an aquifer includes introduction of a solubilizing solution having a surfactant and an alcohol or other light co-solvent. The surfactant is selected to solubilize the contaminant. The alcohol ... | 11/30/1999 |
| 5981100 | State of charge indicators for a battery The present invention relates to state of charge indicators for a battery. One aspect of the present invention utilizes expansion and contraction displacements of an electrode plate of a battery to gauge the state of charge in the battery. One embodiment ... | 11/09/1999 |
| 5980446 | Methods and system for subsurface stabilization using jet grouting Methods and systems are provided for stabilizing a subsurface area such as a buried waste pit for either long term storage, or interim storage and retrieval. A plurality of holes are drilled into the subsurface area with a high pressure drilling system pr... | 11/09/1999 |
| 5969242 | Isobaric groundwater well A method of measuring a parameter in a well, under isobaric conditions, including such parameters as hydraulic gradient, pressure, water level, soil moisture content and/or aquifer properties the method as presented comprising providing a casing having fi... | 10/19/1999 |
| 5961437 | Multi-layer waste containment barrier An apparatus for constructing an underground containment barrier for containing an in-situ portion of earth. The apparatus includes an excavating device for simultaneously (i) excavating earthen material from beside the in-situ portion of earth without re... | 10/05/1999 |
| 5963417 | Electrochemical capacitor An inexpensive porous metal oxide material having high surface area, good conductivity and high specific capacitance is advantageously used in an electrochemical capacitor. The materials are formed in a sol-gel process which affords control over the prope... | 10/05/1999 |
| 5957624 | Apparatus and method for in Situ installation of underground containment barriers under contaminated lands An apparatus for constructing a subsurface containment barrier under a waste site disposed in soil is provided. The apparatus uses a reciprocating cutting and barrier forming device which forms a continuous elongate panel through the soil having a defined... | 09/28/1999 |
| 5942440 | Method for detecting organic contaminants in water supplies A system for detecting organic contaminants in water supplies. A sampling unit is employed which includes a housing having at least one opening therein and a tubular member positioned within the housing having a central passageway surrounded by a side wal... | 08/24/1999 |
| 5939711 | Electro-optic voltage sensor head The invention is an electro-optic voltage sensor head designed for integration with existing types of high voltage transmission and distribution apparatus. The sensor head contains a transducer, which comprises a transducing material in which the Pockels ... | 08/17/1999 |
| 5936863 | Optimal segmentation and packaging process A process for improving packaging efficiency uses three dimensional, computer simulated models with various optimization algorithms to determine the optimal segmentation process and packaging configurations based on constraints including container limitat... | 08/10/1999 |
| 5935293 | Fast quench reactor method A fast quench reaction includes a reactor chamber having a high temperature heating means such as a plasma torch at its inlet and a means of rapidly expanding a reactant stream, such as a restrictive convergent-divergent nozzle at its outlet end. Metal ha... | 08/10/1999 |
| 5922559 | Method and apparatus for determining nutrient stimulation of biological processes A method and apparatus for determining the nutrients to stimulate microorganisms in a particular environment. A representative sample of microorganisms from a particular environment are contacted with multiple support means wherein each support means has ... | 07/13/1999 |
| 5920601 | System and method for delivery of neutron beams for medical therapy A neutron delivery system that provides improved capability for tumor control during medical therapy. The system creates a unique neutron beam that has a bimodal or multi-modal energy spectrum. This unique neutron beam can be used for fast-neutron therapy... | 07/06/1999 |
| 5915476 | Monitoring well A monitoring well including a conduit defining a passageway, the conduit having a proximal and opposite, distal end; a coupler connected in fluid flowing relationship with the passageway; and a porous housing borne by the coupler and connected in fluid fl... | 06/29/1999 |
| 5908486 | Strengthening of metallic alloys with nanometer-size oxide dispersions Austenitic stainless steels and nickel-base alloys containing, by wt. %, 0.1 to 3.0% V, 0.01 to 0.08% C, 0.01 to 0.5% N, 0.05% max. each of Al and Ti, and 0.005 to 0.10% O, are strengthened and ductility retained by atomization of a metal melt under cover... | 06/01/1999 |
| 5907111 | Remotely controlled sensor apparatus for use in dig-face characterization system A remotely controlled sensor platform apparatus useful in a dig-face characterization system is deployed from a mobile delivery device such as standard heavy construction equipment. The sensor apparatus is designed to stabilize sensors against extraneous ... | 05/25/1999 |
| 5906757 | Liquid injection plasma deposition method and apparatus A liquid injection plasma torch deposition apparatus for depositing material onto a surface of a substrate may comprise a plasma torch for producing a jet of plasma from an outlet nozzle. A plasma confinement tube having an inlet end and an outlet end and... | 05/25/1999 |
| 5905208 | System and method measuring fluid flow in a conduit A system for measuring fluid mass flow in a conduit in which there exists a pressure differential in the fluid between at least two spaced-apart locations in the conduit. The system includes a first pressure transducer disposed in the side of the conduit ... | 05/18/1999 |
| 5903622 | Accelerator-based neutron source for boron neutron capture therapy (BNCT) and method A source for boron neutron capture therapy (BNCT) comprises a body of photoneutron emitter that includes heavy water and is closely surrounded in heat-imparting relationship by target material; one or more electron linear accelerators for supplying electr... | 05/11/1999 |
| 5892357 | Electro-optic voltage sensor for sensing voltage in an E-field A miniature electro-optic voltage sensor system capable of accurate operation at high voltages. The system employs a transmitter, a sensor disposed adjacent to but out of direct electrical contact with a conductor on which the voltage is to be measured, a... | 04/06/1999 |
| 5886267 | System and method for bidirectional flow and controlling fluid flow in a conduit A system for measuring bidirectional flow, including backflow, of fluid in a conduit. The system utilizes a structural mechanism to create a pressure differential in the conduit. Pressure sensors are positioned upstream from the mechanism, at the mechanis... | 03/23/1999 |
| 5857838 | Water cooled steam jet A water cooled steam jet for transferring fluid and preventing vapor lock, or vaporization of the fluid being transferred, has a venturi nozzle and a cooling jacket. The venturi nozzle produces a high velocity flow which creates a vacuum to draw fluid fro... | 01/12/1999 |
| 5834659 | Device and method for measuring fluid flow in a conduit having a gradual bend A system for measuring fluid flow in a conduit having a gradual bend or arc, and a straight section. The system includes pressure transducers, one or more disposed in the conduit on the outside of the arc, and one disposed in the conduit in a straight sec... | 11/10/1998 |
| 5827971 | Optical vibration detection spectral analysis assembly and method for detecting vibration in an object of interest A vibration detection assembly is described which includes an emitter of light which has object and reference beams, the object beam reflected off of a vibrating object of interest; and a photorefractive substance having a given response time and which pa... | 10/27/1998 |
| 5827977 | Device and method for measuring multi-phase fluid flow and density of fluid in a conduit having a gradual bend A system for measuring fluid flow in a conduit having a gradual bend or arc, and a straight section. The system includes pressure transducers, one or more disposed in the conduit on the outside of the arc, and one disposed in the conduit in a straight sec... | 10/27/1998 |
| 5822074 | Retroreflective systems for remote readout A sensing device for sensing an environmental factor. The device includes a retroreflective layer disposed in a parallel, facing relationship with a sensing layer. The sensing layer has an initial optical absorption capacity for (i) sensing a presence of ... | 10/13/1998 |
| 5819863 | Vehicle for carrying an object of interest A vehicle for carrying an object of interest across a supporting surface including a frame having opposite first and second ends; a first pair of wheels fixedly mounted on the first end of the frame; a second pair of wheels pivotally mounted on the second... | 10/13/1998 |
| 5802438 | Method for generating a crystalline 99 MoO3 product and the isolation 99m Tc compositions therefrom An improved method for producing 99m Tc compositions. 100 Mo metal is irradiated with photons in a particle (electron) accelerator to produce 99 Mo metal which is dissolved in a solvent. A solvated 99 Mo product... | 09/01/1998 |
| 5802439 | Method for the production of 99m Tc compositions from 99 Mo-containing materials An improved method for producing 99m Tc compositions from 99 Mo compounds. 100 Mo metal or 100 MoO3 is irradiated with photons in a particle (electron) accelerator to ultimately produce 99 ... | 09/01/1998 |
| 5799257 | Process for gamma ray induced degradation of polychlorinated biphenyls The invention is a process for the in-situ destruction of polychlorinated biphenyl (PCB) compounds in transformer oils and transformers. These compounds are broken down selectively by irradiation of the object or mixture using spent nuclear fuel or any is... | 08/25/1998 |
| 5795751 | Biofilter for removal of nitrogen oxides from contaminated gases under aerobic conditions A biofilter for reducing concentrations of gaseous nitrogen oxides in a polluted gas comprises a porous organic filter bed medium disposed in a housing, the filter bed medium including a mixed culture of naturally occurring denitrifying bacteria for conve... | 08/18/1998 |
| 5791825 | Device and method for producing a containment barrier underneath and around in-situ buried waste An apparatus for building a horizontal underground barrier by cutting through soil and depositing a slurry, preferably on which cures into a hardened material. The apparatus includes a digging means for cutting and removing soil to create a void under the... | 08/11/1998 |
| 5788422 | Underground barrier construction apparatus with soil-retaining shield An apparatus for building a horizontal underground barrier by cutting through soil and depositing a slurry, preferably one which cures into a hardened material. The apparatus includes a digging means for cutting and removing soil to create a void under th... | 08/04/1998 |
| 5772887 | Modular bioreactor for the remediation of liquid streams and methods for using the same The present invention is directed to a bioreactor system for the remediation of contaminated liquid streams. The bioreactor system is composed of at least one and often a series of sub-units referred to as bioreactor modules. The modular nature of the sys... | 06/30/1998 |
| 5758538 | Tensiometer and method of determining soil moisture potential in below-grade earthen soil A tensiometer to in situ determine below-grade soil moisture, potential of earthen soil includes, a) an apparatus adapted for insertion into earthen soil below grade, the apparatus having a below-grade portion, and, comprising; b) a porous material provid... | 06/02/1998 |
| 5758731 | Method and apparatus for advancing tethers A tether puller for advancing a tether through a channel may include a bellows assembly having a leading end fixedly attached to the tether at a first position and a trailing end fixedly attached to the tether at a second position so that the leading and ... | 06/02/1998 |