Patents by Inventor Robert E. Williams

Robert E. Williams has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5114425
    Abstract: An apparatus and method for detecting adulteration or a condition of near-adulteration of a glove used in critical use application such as in surgery where the gloves are worn by the surgeon and are exposed to the body fluids of a patient. The apparatus and method includes the detection not only of a particular level of conductivity which may be caused by a hole or thin spot in the glove but also the detection of a sudden change in conductivity which may be caused by a sudden change in the condition of the glove, such as the opening of a hole or a sudden thinning of the glove. In this manner, the apparatus and method provides detection not only for an actual condition of the glove but also for a change in condition of the glove. In addition, the circuit is a low impedance circuit, which automatically and continuously discharge static charge build-up on the surgeon.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: May 19, 1992
    Assignee: Novatec Medical Products, Inc.
    Inventors: Robert E. Williams, William H. Marshall, Robert B. Stout, John J. McCourt, Jr.
  • Patent number: 5107874
    Abstract: A system for cleaning solids contaminated with solvent-soluble contaminants. The system comprises the use of at least two successive cleaning zones, each of which includes a slurry stage and a centrifuge separation stage, wherein the solids to be cleaned and the solvent used for cleaning flow in countercurrent relationship to each other between the successive zones.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: April 28, 1992
    Assignee: Conoco Inc.
    Inventors: David A. Flanigan, Robert E. Williams
  • Patent number: 5097941
    Abstract: In a conveying system for a stream of rod-like articles in multi-layer stack formation, in which system the stream is moved along a path which is curved in a generally horizontal plane, suction is applied to the hub (30) of a turntable (10) for the stream, in order to draw the ends of the articles (16) against the hub and thereby help to maintain alignment of the articles during conveyance on the turntable. Further control, particularly for the uppermost articles, may be provided by a series of bristles (44) urged into contact with the articles on the turntable (10) by a guide rod (46). The system may be usefully employed in a filter cigarette assembling machine, for turning one of two streams of filter cigarettes issuing from the machine so that it may be merged with the other stream with the filter ends of the cigarettes in the two streams facing in the same direction.
    Type: Grant
    Filed: July 6, 1990
    Date of Patent: March 24, 1992
    Assignee: Molins PLC
    Inventors: Derek H. Dyett, Dennis Graham-Troll, Adrian Styles, Robert E. Williams
  • Patent number: 5080721
    Abstract: A system for cleaning solids contaminated with solvent-soluble contaminants. The system, which includes both process and apparatus, comprises the use of at least two successive cleaning zones, each of which includes a slurrying stage and a centrifuge separation stage, wherein the solids to be cleaned and the solvent used for cleaning flow in countercurrent relationship to each other between the successive zones.
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: January 14, 1992
    Assignee: Conoco Inc.
    Inventors: David A. Flanigan, Robert E. Williams
  • Patent number: 5052111
    Abstract: A method of measuring the runout between a gauge and the axis of rotation of a wheel to which the gauge is mounted in each of two orthogonally related planes uses measurements of the angle between the axis of rotation of the wheel and the axis on which two or more angle sensors are pendulously supported at two or more rotational positions of the wheel and measurements of the angle of rotation of the wheel at each of said rotational positions to derive a runout equation which may be subsequently used to compute the runout at every possible rotational position of the wheel.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: October 1, 1991
    Assignee: Ammco Tools Technology Corporation
    Inventors: Ronald W. Carter, Robert E. Williams
  • Patent number: 5053082
    Abstract: A system for cleaning solids contaminated with solvent-soluble contaminants. The system, which includes both process and apparatus, comprises slurrying of the solids with a solvent, feeding the slurry to a cyclone separation zone integrally connected to a countercurrent extraction zone, separating the slurry into an overflow stream which includes solvent and fine particles of solids and an underflow stream which includes mostly coarse particles of solids in the cyclone separation zone, processing the overflow stream in a cleaning zone with additional solvent, processing the underflow stream in countercurrent relationship with additional solvent through the countercurrent extraction zone, combining the cleaned coarse particles of solids withdrawn from the extraction zone with the cleaned fine particles of solids withdrawn from the cleaning zone and centrifuging the combined cleaned particles to remove residual solvent and recovering the combined solids having reduced contamination for disposal.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: October 1, 1991
    Assignee: Conoco Inc.
    Inventors: David A. Flanigan, Joe K. Heilhecker, Robert E. Williams
  • Patent number: 5005655
    Abstract: 1,1-dichloro-2,2,2-trifluoroethane or 1,1-dichloro-1-fluoroethane are employed as solvents to remove oleophylic material from mineral particulates. In one aspect the method of this invention includes the steps of transporting oil-based mud-laden cuttings to a solid feed tank wherein the oil-based cuttings are subjected to turbulent mixing to leave the surface of the cuttings substantially free of oil. The cuttings are then subjected to countercurrent flow of solvent in order to separate oily solvent and fines smaller than a chosen diameter from the heavier solids. The heavier solids are cleaned of any remaining oil-based muds, separated from cleaning solvent and ultimately returned to the sea environment.
    Type: Grant
    Filed: March 28, 1989
    Date of Patent: April 9, 1991
    Assignee: Conoco Inc.
    Inventors: Olaf M. Stokke, David A. Flanigan, Robert B. Ramsey, Robert E. Williams, John Huycke
  • Patent number: 4867238
    Abstract: Viscous oil in a geological formation is recovered by producing hydrogen peroxide near the formation, injecting hydrogen peroxide into the formation to effect its decomposition and reaction of oxygen with resident hydrocarbon, and recovering oil in response to injection of hydrogen peroxide.
    Type: Grant
    Filed: May 18, 1988
    Date of Patent: September 19, 1989
    Assignee: Novatec Production Systems, Inc.
    Inventors: Jack H. Bayless, Robert E. Williams
  • Patent number: 4840982
    Abstract: Polymer blends having improved impact resistance and structural integrity comprise at least one aromatic polymer such as polyphenylene oxide, optionally in combination with a styrene homopolymer; at least one elastomer containing highly polar ionic (e.g., sulfonate or carboxylate) substituents, such as a sulfonated EPDM rubber or a zwitterionic polysiloxane sulfonate; and at least one substituted aromatic polymer in which the substituents are highly polar ionic substituents, such as a sulfonated polyphenylene oxide or styrene-sodium acrylate copolymer. The compositions preferably also contain at least one plasticizer.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: June 20, 1989
    Assignee: General Electric Company
    Inventors: John R. Campbell, Robert E. Williams, Jr., Sterling B. Brown, Paul M. Conroy, Robert A. Florence
  • Patent number: 4836302
    Abstract: Method and apparatus for removing oil-based drilling mud from drill cuttings in order to prepare the drill cuttings for an environmentally safe disposal in the sea. A solvent in the range of solvents which may be condensed by ambient seawater and vaporized by heated internal combustion engine coolant is utilized in the process. The method of this invention includes the steps of transporting oil-based mud-laden cuttings to a solid feed tank wherein the oil-based cuttings are subjected to turbulent mixing to leave the surface of the cuttings substantially free of oil. The cuttings are then transported to a countercurrent flow column and subjected to countercurrent, laminar flow of solvent in order to separate oily solvent and fines smaller than a chosen diameter from the heavier solids. The heavier solids are cleaned of any remaining oil-based muds, separated from cleaning solvent and ultimately returned to the sea environment.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: June 6, 1989
    Inventors: Joe K. Heilhecker, Robert E. Williams, William H. Marshall
  • Patent number: 4784393
    Abstract: A golf swing training device including a first body member attached at a perpendicular angle to a second body member with structure for extending through both body members to anchor the device to the ground with one end of the first body member abutting a golf ball. A hinge allows the front end of the first body member to be pivoted back onto the rear end of the first body member away from the golf ball. An elongated right foot positioning structure is pivotally attached adjacent the right end of the second body member with the longitudinal axis of the right foot positioning structure at an angle to the longitudinal axis of the second body member. An elongated left foot positioning structure is pivotally attached adjacent the left end of the second body member with the longitudinal axis of the left foot positioning structure at an angle to the longitudinal axis of the second body member.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: November 15, 1988
    Inventors: Robert E. Williams, Silas C. Byers
  • Patent number: 4767218
    Abstract: The present invention comprises a mixing paddle assembly which may be used with a variety of mixing devices, but which is especially useful with devices which include a motorized carriage adapted to move along a beam spaced above an elongate mixing vat. Depending from the carriage are a pair of shafts, and within the carriage a separate motor is adapted to move the shafts upwardly and downwardly as the carriage moves along the beam. The mixing paddles of the present invention are affixed to the end of such shafts. The improved paddle assemblies of the present invention include a pair of plastic blades mounted to a blade assembly which includes laterally extending, stationary pegs residing in arcuate slots of pivotably supported end plates, so that the blades may be freely rotated on supporting shafts to be angled differently on the forward and return passes of the paddles. The supporting shafts extend substantially normal to the axis of the respective depending shaft.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: August 30, 1988
    Assignee: Stoelting, Inc.
    Inventors: Joseph J. Palus, Robert E. Williams
  • Patent number: 4746006
    Abstract: Apparatus for separating axially-aligned rods of the cigarette industry comprises a first pair of conical drums (14,16) mounted on a first common sleeve (32) and arranged to receive respectively the two rods (10) of each pair to be separated, the axes of rotation (22, 24) of the drums being inclined so as to separate the rods carried by the respective drums; a second pair of conical drums (25,26) mounted on a second common sleeve and arranged to receive the cigarettes from the first pair of conical drums, the second pair of conical drums having axes inclined so as to space the rods further apart while returning the rods to axially-aligned orientations; and device (28) for receiving the spaced-apart rods from the second pair of conical drums.
    Type: Grant
    Filed: May 16, 1986
    Date of Patent: May 24, 1988
    Assignee: Molins Machine Co, Inc.
    Inventors: John E. Nixon, Robert E. Williams
  • Patent number: 4720232
    Abstract: A parts handler comprising a container with a discharge chute secured to a frame which can be transported by a forklift truck. The discharge chute has a spring hinge type door opened by a pull-down handle. The frame is attached and secured to the bottom of the container by hinges located at the same end of the container as is the discharge chute. The container is raised by an ordinary hydraulic floor jack secured to the frame. The jack raises the container by a caster secured to the arm of the jack which operates within a channel secured to the bottom of the container. By raising the arm of the jack, the end of the container opposite the discharge chute rises and parts are allowed to flow from the container by opening of the door of the discharge chute.
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: January 19, 1988
    Inventor: Robert E. Williams
  • Patent number: 4635653
    Abstract: Filter cigarettes with a predetermined dilution factor are produced by perforating a filter attachment web by means of an adjustable perforating device prior to using portions of the web to join filters to cigarettes; measuring the porosity of the perforated web; measuring the dilution of cigarettes assembled with portions of the web; and controlling the perforating device by immediate response to the measured porosity and by progressive response to the dilution of the assembled cigarettes. The perforating device may comprise spark perforating electrodes, the web being possibly passed twice between the electrodes. In particular, the perforating device includes a number of pairs of electrodes defining spark gaps therebetween and lying along a line inclined to the direction of movement of the web. Individual rod electrodes are located between and spaced from opposed metal plates connected to a power supply to form capacitances in series with the spark gaps.
    Type: Grant
    Filed: May 19, 1983
    Date of Patent: January 13, 1987
    Assignee: Molins PLC
    Inventors: Reginald C. Bolt, Derek H. Dyett, Robert E. Williams
  • Patent number: 4612910
    Abstract: An ice fishing hole heater comprises a housing defining an open topped cavity adapted to receive a combustible fuel source. Heater is constructed so that the specific gravity of the housing and the heat source enables the heater to be buoyantly supported in a body of water. The housing also includes ballast weight to maintain the housing in an upright position. Preferably, the housing includes a radially expanded ring which is hollow to stabilize the housing as it floats and which floats at the surface level of the body of water to radiate heat from an expanded surface area into the water in the hole.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: September 23, 1986
    Inventor: Robert E. Williams
  • Patent number: 4588805
    Abstract: Sulfonate-terminated polyimides and polyamic acids are prepared by the reaction of a dianhydride such as bisphenol A dianhydride, a diamine such as m-phenylenediamine or bis(4-aminophenyl)methane, and an amino sulfonic acid such as p- or m-aminobenzenesulfonic acid or 2-aminoethanesulfonic acid. The products may be used as compatibilizing agents for blends of aromatic polymers with ionomeric elastomers.
    Type: Grant
    Filed: September 6, 1984
    Date of Patent: May 13, 1986
    Assignee: General Electric Company
    Inventor: Robert E. Williams, Jr.
  • Patent number: 4575426
    Abstract: A method and apparatus for removing oil from the surface of a body of water, subtidal seafloor, a riverbed, a shoreline or a beach are disclosed. The method employs a sweeping action of oleophilic bristles comprising at least one brush to remove oil from such a surface and a suction means to remove oil from the bristles. The apparatus comprises one or more oleophilic bristled brushes connected to a support means. The brushes are positioned so that they have a lower portion in contact with the oil and an upper portion above the oil. A motor means moves the brushes so that the oil is drawn into the brushes. A suction means, such as an air conveyor system, removes the oil from the brushes.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: March 11, 1986
    Assignee: Exxon Production Research Co.
    Inventors: Lee A. Littlejohn, Keith F. Kruk, Robert E. Williams, Thomas F. Bailey
  • Patent number: 4569359
    Abstract: Apparatus for making ventilated cigarettes, includes a first perforator which is not readily susceptible to control and is arranged to perforate the tipping paper by which cigarettes are joined to filter portions, or to perforate the completed filter cigarettes. A controllable perforator is arranged to form additional perforations in the tipping paper prior to assembly of the filter cigarettes; and a control circuit is arranged to control the controllable perforator in response to a porosity measuring device and/or in response to a cigarette dilution testing device.
    Type: Grant
    Filed: March 13, 1984
    Date of Patent: February 11, 1986
    Assignee: Molins PLC
    Inventors: John R. Nowers, Robert E. Williams
  • Patent number: 4533744
    Abstract: A hydrosilation catalyst is provided having platinum atoms anchored onto a hydroxylated oxide of silicon or aluminum by Pt--S linkages through sulfur organo siloxy groups. A hydrosilation method and a method for making such platinum catalyst is also provided.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: August 6, 1985
    Assignee: General Electric Company
    Inventor: Robert E. Williams, Jr.