Patents by Inventor John E. Sparks

John E. Sparks 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: 4654933
    Abstract: A cotton gin lint cleaner includes a rotating saw cylinder. A continuous layer of lint cotton is fed along the cylinder by feed works. The layer is seated in and moved downstream by saw teeth on the cylinder. Foreign matter is loosened from the layer as it is moved beneath grid bars spaced along the cylinder surface. A combing bar downstream of the grid bars with teeth opposed and proximate the saw teeth further cleans the cotton layer.
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: April 7, 1987
    Assignee: James L. Horn
    Inventors: James L. Horn, Robert C. Schwartz, John E. Sparks
  • Patent number: 4528725
    Abstract: A cotton gin lint cleaner includes a rotating saw cylinder. A continuous layer of lint cotton is fed along the cylinder by feed works. The layer is seated in and moved downstream by saw teeth on the cylinder. Foreign matter is loosened from the layer as it is moved beneath grid bars spaced along the cylinder surface. A combing bar downstream of the grid bars with teeth opposed and proximate the saw teeth further cleans the cotton layer.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: July 16, 1985
    Assignee: Horn & Gladden Lint Cleaner Company, Inc.
    Inventors: James L. Horn, Robert C. Schwartz, John E. Sparks
  • Patent number: 4399591
    Abstract: Cotton in an extractor-feeder is passed through three scrubber cylinders. The first two having grid bars of a regular 1/4 or 5/16 inch spacing and the third having grid bars at about twice the regular, or 1/2 inch spacings. Any locks of seed cotton in the trash from the third scrub cylinder are reclaimed by reclamation saw which also reclaims any cotton slung off by a main saw cylinder. Also dust is removed by a suction connected into the housing.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: August 23, 1983
    Assignee: Horn & Gladden Lint Cleaner Company, Inc.
    Inventors: Robert C. Schwartz, John E. Sparks
  • Patent number: 4253855
    Abstract: An air filter having a counter rotating drum, i.e., the rotation of the drum is opposite the tangential intake of air. The intake air has about 1 lb. of rock wool fibers per 10.sup.7 cu. ft. of air sometimes at about 100% relative humidity. The fibers are doffed from the drum by suction nozzle which are adjacent to the drum at the bottom of the filter housing. The drum screen is cleaned by periodically jetting hot dry air at 120 psig through the screen into the suction nozzles.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: March 3, 1981
    Assignee: Horn and Gladden Lint Cleaner
    Inventors: Richard E. Jackson, John E. Sparks
  • Patent number: 4214348
    Abstract: A trash by-pass panel is pivoted to the reclamation chute wall in a cotton gin burr and stick machine such that it may be opened to allow heavier trash to be excluded from further processing, thereby increasing the efficiency of the cotton cleaning.
    Type: Grant
    Filed: January 11, 1979
    Date of Patent: July 29, 1980
    Assignee: Horn and Gladden Lint Cleaner Co., Inc.
    Inventors: Robert C. Schwartz, John E. Sparks
  • Patent number: 4210075
    Abstract: The bottom of a lint feeder housing is manufactured such that the high speed belt which it houses is quickly and easily changed. The bottom of the housing is lowered after loosening the four hinged thumb bolts which secure the bottom to the housing. After the bottom is lowered, the axles which support conveyor rollers are lowered a little on one side. The worn belt is removed and a new belt is slipped between the axles and the frame of the housing then over the rollers. Once the new belt is in place, the axles are raised and the bearing housings are fixed to the feed housing. Finally, the bottom of the housing is raised and secured in place.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: July 1, 1980
    Assignee: Horn and Gladden Lint Cleaner Company, Inc.
    Inventors: Richard E. Jackson, Robert C. Schwartz, John E. Sparks
  • Patent number: 3950607
    Abstract: A method and apparatus is disclosed for converting a wide-bandwidth signal to a narrow-bandwidth signal, the disclosed method and apparatus being particularly well suited for converting a wide-bandwidth real-time television signal to a narrow-bandwidth signal. A sampled video signal is coupled to an analog-to-digital converter which converts the amplitude of each sampled element to a binary code word having a predetermined number of bits. The binary code words are then written into a buffer storage element controlled by a clock switching device and later clocked out of the buffer storage device at a clock rate less than the input rate with the output from the buffer storage device being coupled to a digital-to-analog converter whose output is an analog signal with the same amplitude variations as the sampled video signal but with a time base stretched out by a predetermined factor.
    Type: Grant
    Filed: April 30, 1973
    Date of Patent: April 13, 1976
    Assignee: Colorado Video, Inc.
    Inventors: Glen R. Southworth, Roy W. Lewallen, John E. Sparks