Patents Represented by Attorney Charles F. Schroeder
  • Patent number: 6805365
    Abstract: A shopping cart in which the carriage is made principally of rectangular U-shaped channels and the basket is made of resin which on its sides are reinforced by U-shaped channel members each extending angularly up from the carriage into merged relation in a matching groove provided in the interior surface of each side of the basket. Front wheels of the carriage are swivelably mounted on a vertical shaft having a resilient securing assembly to minimize tendencies toward wobble of the wheel.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: October 19, 2004
    Inventor: Charles J. Lantz
  • Patent number: 6431927
    Abstract: A marine propulsion system mounted on the stern of a boat adaptable to propelling the boat at high speeds through and over water. The depth of operation of the propeller in the water as well as the angle of attack or attitude of the propeller are each adjustable independently of the other, and steering is accomplished by lateral movement of the propeller in a single plane without modifying the depth and attitude of the propeller. In construction the drive shaft assembly is divided into three connected parts, namely the power drive shaft and an intermediated connecting shaft and the propeller shaft. The depth of operation of the propeller and its attitude are adjustable independently of each other by supporting the interconnected shaft assembly from a vertically adjustable overhanging beam structure extending from a vertical support rod at the stern of the boat about which the beam can be moved through an arc to steer the craft.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: August 13, 2002
    Inventor: Michael W. Sage
  • Patent number: 6413074
    Abstract: A mold assembly for press molding plastic material into products under heat and pressure wherein the material is placed on a base mold having at least one or more guide blocks spaced thereabout for accommodation of wedge mold segments each having a surface matched to a portion of the base mold. Each wedge mold segment is arranged to move over an inclined surface of a guide block into compression mated association with material to be molded on the respective portion of the mold base to which it is matched. In operation the wedges are pushed downward by a press and moved laterally over the stationary inclined surfaces of the guide blocks which guide the wedges inwardly in matched pressure relation with the material to be molded on the sides of the base mold. The invention also includes division of the wedge mold segment into an assembly of two parts in which a mold section is backed by an associated wedge member which pushes the mold section into molding position.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: July 2, 2002
    Assignee: Composix Corporation
    Inventor: Steven D. Hays
  • Patent number: 6299381
    Abstract: A trencher plow for laying pipe such as drainage pipe which includes in combination an auger angled downwardly toward a plow which follows, both mounted in a superstructure and being arranged to be cooperatively raised and to set the grade and depth of cut by the plow determinable by sensing the grade setting signal of a laser unit located in the field of cut. The auger is provided with cutting lobes distributed about its teeth which facilitate cutting and throwing soil to the sides of a trench being dug in advance of the plow which finalizes shaping of the trench for deposition of pipe into the trench.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: October 9, 2001
    Inventor: Sylvester J. Liebrecht, Jr.
  • Patent number: 6189732
    Abstract: A golf ball carrier and dispenser in the form of a tube in which balls are stacked and biased to one end by spring action where an end opening smaller than the balls restrains the endmost ball from release. A side dispensing opening for release of ball is located adjacent the end of the tube so that when pressure is applied through the end opening, the endmost ball of the stack can be pushed downwardly and toward the exit opening for release of the endmost ball over the next underlying ball in the stack.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: February 20, 2001
    Inventors: Douglas J. Althaus, Daniel J. Althaus
  • Patent number: 6183161
    Abstract: A lightweight manually maneuverable, quick-drying paint striper for painting stripes on pavements, in which the hot exhaust gas of an internal combustion engine driving a paint pressurizing unit for the system is used to heat the paint by passing it through a heat exchanger to establish a temperature and viscosity appropriate for painting stripes with an air nozzle or airless nozzle. When an air nozzle is used, the air is heated by the exhaust gas in the same or another heat exchanger in a manner similar to that in which the paint is heated in the exchanger.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: February 6, 2001
    Inventor: Jeffrey W. Neeper
  • Patent number: 5916157
    Abstract: An electrode patch used in tests of physical health conditions such as an electrocardiograph (ECG) electrode patch having marking means which leaves a position mark in the test site on a person being tested to permit accurate location of the site for accurate placement of electrode patches in subsequent tests in a series of test procedures on the site.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: June 29, 1999
    Assignee: Charles F. Schroeder
    Inventor: Steven J. Crosz, Jr.
  • Patent number: 5888642
    Abstract: A syntactic structural foam product in flat sheet form or curved three-dimensional form adaptable to such uses as a light weight structural core for composite laminates, is made of a mixture of hollow ceramic microspheres and dry resin powder, of either thermosetting or a high-temperature thermoplastic resin, distributed in the interstices of the mass of microspheres for integration of the mixture into desired form upon heating and cooling. The dry resin powder in an other embodiment of the invention includes unexpanded expandable powder which will expand into microballoons in the confined spaces in which they reside and effect a bonding relation with surrounding particles upon supply of heat to the mixture.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: March 30, 1999
    Assignee: Isorca, Inc.
    Inventors: Charles L. Meteer, Thomas E. Philipps
  • Patent number: 5866253
    Abstract: The invention disclosed herein is a synthetic reinforcing strand of filaments in which the strand density is reduced by spacing the filaments apart along their length with heat expandable hollow particles such as plastic microspheres expanded into microballoons and the method of making such strands. Also embodied in the invention are methods utilizing such strands in processes for making composite structures.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: February 2, 1999
    Assignee: Isorca, Inc.
    Inventors: Thomas E. Philipps, Darryl A. Payne, Andrew L. Bastone
  • Patent number: 5863180
    Abstract: A wind energy turbine having air driven blades peripherally distributed about a horizontal rotational axis forming an interior region in which air pressures built up by wind introduced thereto are released through the spaces between the blades. The rotor is rotatably supported by rollers on a pair of parallel front and back stationary tubular rings which act as tracks for the rotor. An aerodynamically contoured entry ring at the front side of the rotor promotes smooth flow of air to the rotor interior and covers the front side ring and rollers mated therewith.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: January 26, 1999
    Assignee: Prime Energy Corporation
    Inventor: Neal Townsend, deceased
  • Patent number: 5851932
    Abstract: A ballistic composite laminate exemplified by a panel incorporating resin impregnated, heat and pressure bonded, fabric layers of high tensile strength "S" glass roving filaments on its backside extending through approximately one-half its thickness with the remainder of its thickness on the face side of the laminate formed of appreciably lower cost fabric layers of "E" glass filaments, which meet acceptance according to military ballistic acceptance tests substantially matching higher cost panels reinforced with fabrics of 100% "S" glass filaments.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: December 22, 1998
    Assignee: Isorco, Inc.
    Inventors: Lawrence J. Dickson, Donald L. Blake
  • Patent number: 5849819
    Abstract: Vibration damping material in which polyvinyl chloride (PVC) and a particle filler such as fly ash or talc are amalgamated into a matrix by combination with a small percentage by weight of blown asphalt in a heat working process, such as extrusion, for forming a product such as a sheet of the material. By use of blown asphalt as a compatibilizer and amalgamator, waste or recycled PVC such as of electrical wire strippings combined with a filler has provided excellent damping characteristics.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: December 15, 1998
    Assignee: Isorca, Inc.
    Inventors: Thomas E. Philipps, Charles L. Meteer
  • Patent number: 5846357
    Abstract: A syntactic structural foam product in flat sheet form or curved three-dimensional form adaptable to such uses as a light weight structural core for composite laminates, is made of a mixture of hollow ceramic microspheres and dry resin powder, of either thermosetting or a high-temperature thermoplastic resin, distributed in the interstices of the mass of microspheres for integration of the mixture into desired form upon heating and cooling. Resin powder collected as a waste by-product from resin coating materials can be recycled in the production of the desired product.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: December 8, 1998
    Assignee: Isorca, Inc.
    Inventors: Charles L. Meteer, Thomas E. Philipps
  • Patent number: 5773121
    Abstract: A syntactic structural foam product in flat sheet form or curved three-dimensional form adaptable to such uses as a light weight structural core for composite laminates, is made of a mixture of hollow ceramic microspheres and dry resin powder, of either thermosetting or a high-temperature thermoplastic resin, distributed in the interstices of the mass of microspheres for integration of the mixture into desired form upon heating and cooling. The dry resin powder in another embodiment of the invention includes unexpanded expandable powder which will expand into microballoons in the confined spaces in which they reside and effect a bonding relation with surrounding particles upon supply of heat to the mixture. The foam product is produced by thoroughly intermixing and depositing the mixture as a layer over a surface having a release agent thereover within a dimension defined region.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: June 30, 1998
    Assignee: Isorca Inc.
    Inventors: Charles L. Meteer, Thomas E. Philipps
  • Patent number: 5743712
    Abstract: Apparatus for peripherally supporting the rotor of a fluid driven turbine and for power take-off of energy by transformation of peripheral speed of the rotor to use such as to drive one or more electric generators to provide electric power output as determined by available wind energy.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: April 28, 1998
    Assignee: Prime Energy Corporation
    Inventor: Elmo Edison Aylor
  • Patent number: 5632599
    Abstract: A wind energy turbine having air driven blades peripherally distributed about a horizontal rotational axis forming an interior region in which air pressures built up by wind introduced thereto are released through the spaces between the blades. A stationary back wall for the rotor includes biased air outlet gates for auxiliary release of high internal air pressures thereby limiting and governing rotational speed of the turbine such as in high storm winds. The rotor is rotatably supported by rollers on a pair of parallel stationary rings which act as tracks for the rotor. The entire rotor support assembly is mounted on a platform pivotable about a vertical axis by an associated wind vane arrangement for directing the turbine entry into oncoming winds.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: May 27, 1997
    Assignee: Prime Energy Corporation
    Inventor: Neal Townsend, deceased
  • Patent number: 5591004
    Abstract: A support for peripherally supporting the rotor of a fluid driven turbine and for power take-off of energy by transformation of peripheral speed of the rotor to use such as to drive one or more electric generators to provide electric power output as determined by available wind energy.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: January 7, 1997
    Inventor: Elmo E. Aylor
  • Patent number: 5587231
    Abstract: A syntactic structural foam product in flat sheet form or curved three-dimensional form adaptable to such uses as a light weight structural core for composite laminates, is made of a mixture of hollow ceramic microspheres and dry resin powder, of either thermosetting or a high-temperature thermoplastic resin, distributed in the interstices of the mass of microspheres for integration of the mixture into desired form upon heating and cooling. Resin powder collected as a waste by-product from resin coating materials can be recycled in the production of the desired product.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: December 24, 1996
    Assignee: Isorcd, Inc.
    Inventors: Charles L. Mereer, Thomas E. Philipps
  • Patent number: D448643
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: October 2, 2001
    Inventor: Steven D. Hays
  • Patent number: D458179
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: June 4, 2002
    Inventor: Heather Wells Reddoch