Patents by Inventor Robert M. Powell

Robert M. Powell 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: 6604254
    Abstract: A pool cleaning device includes a housing assembly that has a base portion. The foot portion is for resting on a deck of a pool. A handle member slidably extends through the base portion of the housing assembly. The handle is to be gripped by hands of a user. The handle member is linearly oscillatable along an axis of the handle member. A head assembly is coupled to the handle member. The head assembly is positioned below the housing assembly such that the head assembly engages the walls of the pool. The head assembly is for facilitating cleaning of the walls of the pool when the handle member is oscillated along the axis of the handle member.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: August 12, 2003
    Inventor: Robert M. Powell
  • Patent number: 5183129
    Abstract: An improved, highly portable, collapsible scooter having a front frame extending upwardly from a front portion of a lower frame and being pivotally secured thereto. The front frame is secured at its upper end to steering means, and a front wheel is rotatably secured to the steering means. A rear wheel is rotatably secured to a rear portion of the lower frame, and a platform for supporting a rider is secured to the lower frame between the front and rear wheels. Lock means releasably lock the front frame and lower frame in an operating position or in a collapsed position in which the front frame extends rearwardly from the front portion of the lower frame. An engine is preferably coupled with the rear wheel of the scooter using a belt drive system which preferably includes toothed pulleys and a notched drive belt.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: February 2, 1993
    Inventor: Robert M. Powell
  • Patent number: 4536897
    Abstract: A new type of intraocular lens is provided for implantation in the eye following cataract extraction. The new lens is uniquely structured at the edge of the lens optic to provide advantages both in implanting and repositioning the lens and in avoiding blocking of lens perforations.
    Type: Grant
    Filed: July 8, 1983
    Date of Patent: August 27, 1985
    Inventor: Robert M. Powell