Patents by Inventor Manuel Romaguera Monegal

Manuel Romaguera Monegal 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).

  • Precompression pump sprayer
    Patent number: 5697530
    Abstract: A precompression pump sprayer of the type having main and secondary pump cylinders and pistons have a two-piece main piston assembly comprising a separate piston sleeve element of molded compliant material and a hollow piston stem of molded rigid material affixed thereto. The more rigid stem permits a reduction in its overall height and overall diameter, resulting in a reduction of the overall height of the pump sprayer. The cylinder has an extension in frictional engagement with the separate sleeve element of the main piston assembly for fixing the secondary cylinder thereto.
    Type: Grant
    Filed: January 29, 1996
    Date of Patent: December 16, 1997
    Assignee: Monturas, S.A.
    Inventors: Pedro Pares Montaner, Manuel Romaguera Monegal