Patents by Inventor Ulises A. Silva

Ulises A. Silva 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: 5095561
    Abstract: A conventional adjustable hospital bed of the type on which a person can selectively change his position by pivotally raising a back panel and/or raising pivotally interconnected leg panels. Additionally, the bed includes a rotatable carriage beneath the mattress to rotate the mattress, out of parallel coalignment with the bed, while the person is supported on the mattress, to a position at about 90.degree. thereto, the occupant can then be lifted to a standing position with the aid of a tiltable panel to, in effect, provide assistance in getting out of the bed. The mattress is supported on a rotatable carriage assembly at one end of which is the back support panel and at the other end of which are the leg support panels with the ejector panel being centrally located between the back and leg panels. The panels are moved by energizing motors, selectively by the patient.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: March 17, 1992
    Inventors: Kenneth J. Green, Ulises A. Silva