Patents by Inventor Gregory R. Brotz

Gregory R. Brotz 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: 4999240
    Abstract: A structural material comprising a plurality of irregularly arranged members contacting one another with the points of contact forming junctions, the members being coated, which coating holds the members together to form a strong integral structural material and methods for producing same.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: March 12, 1991
    Inventor: Gregory R. Brotz
  • Patent number: 4982915
    Abstract: A fire-resistant foam having hydrogen-filled cells for use in airship/balloon envelopes.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: January 8, 1991
    Inventor: Gregory R. Brotz
  • Patent number: 4976907
    Abstract: An improved roll and method for mixing, shearing and pelletizing materials utilizing a pair of conical-shaped rollers positioned adjacent to one another with one of the rollers having a plurality of perforations in its narrow end and the other of the rollers, in one embodiment, heated, with material positioned in the nip at the wider end of the rollers moving during operation of the rollers to the narrow end where the material is forced through the perforations and cutt off inside the roller forming pellets.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: December 11, 1990
    Inventor: Gregory R. Brotz
  • Patent number: 4974757
    Abstract: A dispensing system for a container holding hardenable materials having a closure member, a platform area at the top of the container, an opening defined in the platform extending into the container to form a passage whereby when the closure member is in its open mode hardenable material passes through the passage from the interior of the container and is deposited on the top of the platform. When the closure member is in its closed mode, it is adapted to flatten the hardenable material on the platform, allowing the edges of flattened material to harden and to be manually removed for continued dispensing of hardenable material.
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: December 4, 1990
    Inventor: Gregory R. Brotz
  • Patent number: 4942504
    Abstract: An electrostatic display device having a plurality of fluorescent particles moving back and forth in a chamber illuminated by blacklight. The chamber having oppositely charged top and bottom plates whereby the particles are alternately electrostatically attracted to and repelled from the plates while illuminated by the blacklight, thus creating a constantly moving decorative light display.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: July 17, 1990
    Inventor: Gregory R. Brotz
  • Patent number: 4900368
    Abstract: A photovoltaic material having an open-cellular foamed nature incorporated into an electric current generating cell activated by a material circulated through the open cells of the foam.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: February 13, 1990
    Inventor: Gregory R. Brotz
  • Patent number: 4896150
    Abstract: A three-dimensional television system having a view chamber with electrode vibration plates disposed above and below the viewing chamber with a plurality of minute particles moving rapidly back and forth between the vibration plates and illumination of selected of the particles provided at a desired height in the viewing chamber at a pluarlity of positions within the viewing chamber to provide a three-dimensional image based upon an image-sensing device's output directed to control the point of illumination within the viewing chamber.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: January 23, 1990
    Inventor: Gregory R. Brotz
  • Patent number: 4882681
    Abstract: A method for simultaneous translation of conversation between a user of the system of this invention and another party wherein the user has a transmitter/receiver and can broadcast language to be translated to a remote translation computer and the translation of such language to another language is done by such computer and broadcasts the translation back to the user so that the user and the other party can hear the translation of what the other has said in his own language.
    Type: Grant
    Filed: September 2, 1987
    Date of Patent: November 21, 1989
    Inventor: Gregory R. Brotz
  • Patent number: 4862833
    Abstract: An animal tether device having a plurality of upright post members embedded in the ground interconnected by at least one fence member with a rail member mounted on the post members a distance above the ground, such rail member having a carriage member moveably contained therein with a leash member extending therefrom attached to the animal and fence extension members disposed at each end of said plurality of post members extending from beneath the level of the rail member and curving downward at an angle to the ground to prevent the animal from going around the end posts of the series of posts too sharply so as to prevent tangling of the leash pulling the carriage moving within the rail member.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: September 5, 1989
    Inventor: Gregory R. Brotz
  • Patent number: 4851285
    Abstract: A structure of a cellular carbon foam with metallic plating on the interior surfaces of its cells which structure may include other interior coatings such as rubber or similar compounds and the method for producing same.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: July 25, 1989
    Inventor: Gregory R. Brotz
  • Patent number: 4824615
    Abstract: A process for making foam-like material to form useful structures having a plurality of beads held together by a medium molded into a desired shape with interstices formed between the beads.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: April 25, 1989
    Inventor: Gregory R. Brotz
  • Patent number: 4822677
    Abstract: A coil comprising a carbon filament winding with fused particulate insulative coating therearound and method of producing such carbon filament coil.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: April 18, 1989
    Inventor: Gregory R. Brotz
  • Patent number: 4761010
    Abstract: A game of serial falling playing pieces with a game board having a plurality of rows of game spaces thereon of varying configuration with a plurality of game pieces for positioning on said game board.
    Type: Grant
    Filed: April 7, 1986
    Date of Patent: August 2, 1988
    Inventor: Gregory R. Brotz
  • Patent number: 4746458
    Abstract: A photovoltaic material comprises an open-cellular foam material having an internal surface area with a photoelectric semiconductor material formed thereon. The material may further include a phosphor layer on the photoelectric layer.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: May 24, 1988
    Inventor: Gregory R. Brotz
  • Patent number: 4692286
    Abstract: An ultra-light structure is produced by continuously molding a greensand core, forming a material in the mold pattern in the core which solidifies to form a solidified framework, and removing the greensand core.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: September 8, 1987
    Inventor: Gregory R. Brotz
  • Patent number: 4684336
    Abstract: Bulk production of carbon fibers by a spinning process incorporating the exposure of the fibers to a level of electron plasma to achieve the curing to carbonization stage as desired. Fibers are also broken into shorter lengths for particular uses.
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: August 4, 1987
    Inventor: Gregory R. Brotz
  • Patent number: 4681981
    Abstract: An electricity-producing cell utilizing a foamed multiple thermocouple made of a conductive open-cellular foam matrix, a portion of which forms a first pole with a plurality of discrete conductors of a different material from the foam matrix embedded in the foam having a portion of each of the discrete conductors being exposed on the insides of the cells of the foam forming a plurality of thermocouples with means to contact the discrete conductors to convey current produced by the thermocouples to a second pole with means to heat the discrete conductors, in some embodiments, being radioactive isotopes.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: July 21, 1987
    Inventor: Gregory R. Brotz
  • Patent number: 4676996
    Abstract: A method of producing a multiple thermocouple having a conductive open-cellular foam matrix, a portion of which forms a first pole with a plurality of discrete conductors of a different material from the foam matrix embedded in the foam having a portion of each of the discrete conductors being exposed on the insides of the cells of the foam forming a plurality of thermocouples. The remaining surface area inside the foam's cells not having an exposed discrete conductor thereon can be insulated. A second pole member is provided. Means to contact the discrete conductors in the foam and convey current produced by the thermocouples to the second pole of the thermocouple completes the multiple thermocouple. Such means to contact the discrete conductors can provide the heat to excite the thermocouples or such heat can come from other sources.
    Type: Grant
    Filed: August 27, 1986
    Date of Patent: June 30, 1987
    Inventor: Gregory R. Brotz
  • Patent number: 4666766
    Abstract: A structure of bead-like material held together by a medium molded into a desired shape with interstices formed between the beads forming a useful structure which can be metallic-coated and method for producing same.
    Type: Grant
    Filed: November 7, 1984
    Date of Patent: May 19, 1987
    Inventor: Gregory R. Brotz
  • Patent number: 4628143
    Abstract: An electric current generating cell comprising an open-cellular foamed semiconductor and means to excite the semiconductor to produce electric potential.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: December 9, 1986
    Inventor: Gregory R. Brotz