Patents by Inventor Hugo Contreras

Hugo Contreras 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).

  • Overhead storage lift assembly
    Patent number: 5871070
    Abstract: An overhead storage lift assembly comprises first and second brace members each having a vertical and a horizontal segment. Pulley wheel is coupled at the end of each horizontal segment. A platform is being raised and lowered by four cables attached to its four corners. The first and second cables are threaded within the horizontal segment of the first brace member. The third and fourth cables are threaded through an aperture in the first brace member and positioned within the horizontal segment of the second brace member. A crank case with a worm drive shaft meshing with a drive gear is used for winding the cables in order to raised or lowered the platform.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: February 16, 1999
    Inventor: Hugo Contreras