Patents by Inventor Francois Kruger

Francois Kruger 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).

  • H20 Lift Toilet Seat Lifter
    Publication number: 20080127404
    Abstract: The invention provides a foot operated toilet seat lifter which may be easily installed on a toilet. The universal bracket with a retained cylinder and piston is mounted to the toilet bowl by using the existing toilet seat fasteners. The toilet seat lifter is activated by applying foot pressure to the foot pedal, which in turn opens a valve to supply water pressure from the existing toilet water supply to the cylinder and piston.
    Type: Application
    Filed: February 25, 2005
    Publication date: June 5, 2008
    Inventors: Johannes Gideon Francois Kruger, Mark Anthony Dercksen
  • Emulsion explosive
    Patent number: 6478904
    Abstract: An emulsifier comprising at least one ester of a polyhydric composition and a mono-or poly-basic organic acid, the polyhydric composition preferably comprising a sorbitol and/or sorbitan derivative and the acid PIBSA.
    Type: Grant
    Filed: February 11, 1998
    Date of Patent: November 12, 2002
    Assignee: Sasol Chemical Industries Ltd.
    Inventors: Paul Nicolaas Venter, Francois Kruger