Patents by Inventor Osman M. Khan

Osman M. Khan 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: 5404838
    Abstract: An automatic pet feeder comprises a tubular food reservoir with a food replenishing port and a feeding port. The food replenishing port is in the upper end of the food reservoir and is sealed with a cap when in use. The feeding port is located adjacent the lower end of the food reservoir and has a pivotally mounted cover plate, sealing its otherwise open end, that can be pivoted out of the way by a pet to gain access to food in the feeding port. The bottom wall of the food reservoir is inclined to cause the food within the food reservoir to flow into the feeding port as food is consumed by the pet. The automatic pet feeder has an offset handle for suspending the pet feeder that helps to maintain the pet feeder level and a removable support stand that permits the pet feeder to be placed on the ground. A supplemental cup is also provided for water, trial foods and the like.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: April 11, 1995
    Inventor: Osman M. Khan
  • Patent number: 5345892
    Abstract: An automatic pet feeder comprises a vertically extending tubular food reservoir, a tubular food loading port adjacent an upper end of the tubular food reservoir and at least one tubular feeding port adjacent a lower end of the tubular food reservoir. The tubular food reservoir is closed at its upper and lower ends and is provided with a means at its upper end for either non-rotatably or rotatably suspending the automatic pet feeder above the ground. The food loading port has a removable cap for sealing the loading port when food is not being loaded into the pet feeder. Each feeding port is sealed by a pivotally mounted cover plate which can be pivoted out of the way by a pet to gain access to food in the feeding port. The pet feeder can also have a support stand which has a collar that slidably receives the lower end of the tubular food reservoir to support the pet feeder on the ground or floor.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: September 13, 1994
    Inventor: Osman M. Khan