Patents Represented by Attorney R. Laddie Taylor
  • Patent number: 4379033
    Abstract: Aluminum is manufactured in a Hall-Heroult cell employing a non-consumable anode having a substantially flat working surface produced by a process wherein at least the portion of a conductive core that is exposed to the electrolyte bath is coated with a composition of higher resistivity than the core composition to provide uniform current density at all regions of the working surface of the anode.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: April 5, 1983
    Assignee: Great Lakes Carbon Corporation
    Inventors: James M. Clark, Duane R. Secrist
  • Patent number: 4375340
    Abstract: Thread material is removed from the non-load bearing flank of a selected number of threads on each side of the center thread of a nipple to provide increased strength for an electrode joint formed therewith.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: March 1, 1983
    Assignee: Great Lakes Carbon Corporation
    Inventor: James M. Faircloth, Jr.
  • Patent number: 4332856
    Abstract: In a process for producing carbon or graphite articles, baked carbonaceous articles are impregnated with an aqueous solution of lignin sulfonate complex prior to carbonization or graphitization. The carcinogenic effects of conventional impregnants are eliminated, and impregnation temperatures are lowered significantly.
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: June 1, 1982
    Assignee: Great Lakes Carbon Corporation
    Inventor: Harry L. Hsu
  • Patent number: 4312763
    Abstract: A method for separating solids from a liquefied coal slurry resulting from the SRC process utilizes an improved carbon filteraid material prepared by flash heating thermally expandable coal particles under controlled conditions.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: January 26, 1982
    Assignee: Great Lakes Carbon Corporation
    Inventor: Frederick L. Shea, Jr.
  • Patent number: 4291008
    Abstract: Low sulfur calcined coke having an adequate density value for industrial consumers is produced from high sulfur raw coke by treating the coke in three heating stages under controlled conditions, one of the stages being in the presence of added hydrogen.
    Type: Grant
    Filed: June 27, 1980
    Date of Patent: September 22, 1981
    Assignee: Great Lakes Carbon Corporation
    Inventors: Harry L. Hsu, Edward E. Hardin, Lloyd I. Grindstaff
  • Patent number: 4279612
    Abstract: An acrylic fiber bundle is rapidly thermally stabilized in an oxidative atmosphere by exposure to a selected temperature profile as the fiber passes through varying density ranges during stabilization.
    Type: Grant
    Filed: April 23, 1980
    Date of Patent: July 21, 1981
    Assignee: Great Lakes Carbon Corporation
    Inventor: Richard D. Winters
  • Patent number: 4216262
    Abstract: The compound 4,4,4-trichloro-1,2-epoxy butane is utilized as a coupling agent for carbon fibers and resin matrix material in the production of carbon fiber reinforced composites to enhance the bonding characteristics of the fiber and resin while improving the flexural strength of the final composite structure.
    Type: Grant
    Filed: May 23, 1979
    Date of Patent: August 5, 1980
    Assignee: Great Lakes Carbon Corporation
    Inventor: John C. Goan
  • Patent number: 4169120
    Abstract: A sulfur electrode for a sodium-sulfur secondary battery comprises a carbonized chopped graphite fiber-resin composite structure impregnated with sulfur.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: September 25, 1979
    Assignee: Great Lakes Carbon Corporation
    Inventor: Frederick C. Miller
  • Patent number: 4160814
    Abstract: Low sulfur calcined coke is produced from high sulfur raw coke without substantially lowering its bulk density by heating the coke at a first temperature such that no more than about 70 wt.% of the volatile matter is removed therefrom and then heating the partially devolatilized coke at a higher temperature sufficient to effect calcination and desulfurization.
    Type: Grant
    Filed: March 1, 1978
    Date of Patent: July 10, 1979
    Assignee: Great Lakes Carbon Corporation
    Inventors: Edward E. Hardin, Dean H. Guffey, Lloyd I. Grindstaff
  • Patent number: 4152533
    Abstract: The threads at the ends of a nipple for joining two electrode sections are chamfered, or chamfering is incorporated on the threads at the base of the electrode sockets, to provide increased flexural strength and thermal shock resistance for an electrode joint formed therefrom.
    Type: Grant
    Filed: April 27, 1978
    Date of Patent: May 1, 1979
    Assignee: Great Lakes Carbon Corporation
    Inventor: Irving W. Gazda
  • Patent number: 4146171
    Abstract: A newspaper delivery box adapted to support and attach a mailbox thereto has a support insert provided therein to lift a newspaper contained in the box away from the bottom of the box to thereby protect the newspaper from water contained thereon. Optionally, at least one divider is provided in the box to retain a plurality of newspapers within the box.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: March 27, 1979
    Inventor: Joel W. Hodge
  • Patent number: 4127634
    Abstract: A sulfur electrode for a sodium-sulfur secondary battery comprises a mixture of chopped graphite fibers and sulfur formed into a solid composite structure.
    Type: Grant
    Filed: January 4, 1978
    Date of Patent: November 28, 1978
    Assignee: Great Lakes Carbon Corporation
    Inventor: Louis A. Joo'
  • Patent number: 4114800
    Abstract: A newspaper support for a newspaper delivery tube is provided which comprises a wedge surface having a length greater than one-half the length of the tube. The support may be molded directly in the bottom of the tube, or may be provided with a clamp for insertion into an existing delivery tube.
    Type: Grant
    Filed: September 7, 1977
    Date of Patent: September 19, 1978
    Inventor: Joel W. Hodge
  • Patent number: 4105180
    Abstract: A bracket for mounting a newspaper delivery box or the like to a support structure comprises an elongated rectangular base having a single corrugation formed therein, the corrugation having means for mounting the bracket to the support structure. Preferably, means are provided for bracing the bracket to the support structure and an arm is provided to supply additional support to a box mounted thereon.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: August 8, 1978
    Inventor: Joel W. Hodge
  • Patent number: 4086380
    Abstract: A pad of conductive material composed of particulate carbon and an organic binder is provided which acts as a spacer between coaxially placed carbon electrode columns when they are subjected to resistance heating by passing electric current lengthwise through the columns from electrodes held against the ends thereof.
    Type: Grant
    Filed: November 4, 1976
    Date of Patent: April 25, 1978
    Assignee: Great Lakes Carbon Corporation
    Inventors: Leslie Harrisville Juel, Louis Arpad Joo', Kenneth Wayne Tucker
  • Patent number: 4026461
    Abstract: A newspaper support is provided which comprises a horizontally corrugated wedge of about one-half the length of a newspaper delivery tube and at least one-half the interior width thereof. The support possesses a reversely turned forward clamp portion to engage the lower front edge of the tube and at least one drainage hole at each trough of the corrugated surface.
    Type: Grant
    Filed: June 29, 1976
    Date of Patent: May 31, 1977
    Inventor: Joel W. Hodge
  • Patent number: 4002291
    Abstract: An insert bracket is provided for insertion into a newspaper tube of one-piece elongated, generally cross-section, hollow body construction, open at one end and closed at the other, which insert comprises three descending legs connected at the top, two of which are opposing legs which follow generally the interior contours of the tube terminating at about the lower interior sides of the tube, and the third lying flat against the rear of the tube; from the connection of the legs is attached a spring steel newspaper support member which first descends to about the middle of the tube then forms a wide ascending arch nearly to the top of the tube terminating near the front of the tube in a reverse bend to act as a finger hold to lower the clip when placing a newspaper between the insert bracket and the inside top of the tube.
    Type: Grant
    Filed: June 29, 1976
    Date of Patent: January 11, 1977
    Inventor: Joel W. Hodge
  • Patent number: 3990629
    Abstract: A bracket for attaching a sign or box to a mailbox of conventional design having a door at one end and a panel at the other, said panel terminating in a bead co-planar with the panel, such bracket comprising a bar adapted to lie in contact with the top of the box, a first fastening member at one end of the bar comprising a slot adapted to pass over the upper snap bar of the mailbox and a second fastening means at the other end comprising a V-shaped assemblage of bars attached to the aforesaid bar at the apex of the V and at right angles thereto and having inturned sides near the open end of the V adapted to pass over the bead of the mailbox, said V-shaped assemblage of bars adapted to lie in contact with the mailbox end and of such length that the bars co-act with the bead at a point below the curved portion of the mailbox end.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: November 9, 1976
    Inventor: Joel W. Hodge
  • Patent number: D254334
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: February 26, 1980
    Inventor: Joel W. Hodge
  • Patent number: D254335
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: February 26, 1980
    Inventor: Joel W. Hodge