Patents by Inventor Raul Villanueva

Raul Villanueva 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: 4374518
    Abstract: The invention relates to a device for pneumomassage of a limb of a patient. The device is provided with an outer boot having a series of compartments which conform to the contour of a human foot and leg, the foot part of the boot having a rigid sole, and an inner boot having a single compartment. A compressor is provided for successively inflating and deflating the inner and outer boots in a rythmic, preselected cycle. A timer is provided for maintaining the pressure in the boots for an indefinite period of time and for raising the pressure at any time during the cycle.
    Type: Grant
    Filed: October 9, 1980
    Date of Patent: February 22, 1983
    Inventor: Raul Villanueva