Patents by Inventor Stephen D. Steele

Stephen D. Steele 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: 9751237
    Abstract: A manual cement mixer having a mixing box with an open top, generally planar front side and rear side panels, and arcuate, parabolically curved, right and left sides forming left and right arcuate troughs, and a medial trough disposed therebetween, the troughs defining a mixing volume; a base frame for supporting said mixing box; and pivoting means for mounting said mixing box on said base frame and for manually inducing oscillations in said mixing box.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: September 5, 2017
    Inventor: Stephen D. Steele
  • Publication number: 20140133261
    Abstract: A manual cement mixer having a mixing box with an open top, generally planar front side and rear side panels, and arcuate, parabolically curved, right and left sides forming left and right arcuate troughs, and a medial trough disposed therebetween, the troughs defining a mixing volume; a base frame for supporting said mixing box; and pivoting means for mounting said mixing box on said base frame and for manually inducing oscillations in said mixing box.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Inventor: Stephen D. Steele