Patents by Inventor Simon Levesley

Simon Levesley 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).

  • Dispenser for viscous materials
    Patent number: 8978934
    Abstract: A dispenser for dispensing a viscous fluid stored directly within the body of the dispenser, or within a cartridge inserted within the dispenser in which the viscous fluid is forced through a dispensing aperture by advancing a piston member and where the piston is advanced by turning a first thread member that locates in the female thread of a main body member and where upon completion of such turning resilient means are provided to partly reverse the direction in which the first thread member was turned and so avoid unwanted flow of fluid following completion of such turning.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: March 17, 2015
    Assignee: Twistub Limited
    Inventor: Simon Levesley
  • DISPENSER FOR VISCOUS MATERIALS
    Publication number: 20120125952
    Abstract: A dispenser for dispensing a viscous fluid stored directly within the body of the dispenser, or within a cartridge inserted within the dispenser in which the viscous fluid is forced through a dispensing aperture by advancing a piston member and where the piston is advanced by turning a first thread member that locates in the female thread of a main body member and where upon completion of such turning resilient means are provided to partly reverse the direction in which the first thread member was turned and so avoid unwanted flow of fluid following completion of such turning.
    Type: Application
    Filed: July 30, 2010
    Publication date: May 24, 2012
    Inventor: Simon Levesley