Patents by Inventor Michael Francis Vonderhaar

Michael Francis Vonderhaar 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).

  • Apparatus for forming an intermittent stream of particles for application to a fibrous web
    Patent number: 6033199
    Abstract: The present invention provides an apparatus for applying discrete particles of absorbent material to a predetermined location on a fibrous web. The apparatus comprises a continuously rotating mask, and a means for directing a supply stream of absorbent particles to form an acute included angle with a diverting surface on the rotating mask. The mask diverting surface splits the supply stream of absorbent particles into a first intermittent stream passing through the mask and a second intermittent stream deflected by the diverting surface. The absorbent particles in one of the first and second intermittent streams is directed to the fibrous web.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: March 7, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Michael Francis Vonderhaar, James Michael Fleming
  • Method for forming an intermittent stream of particles for application to a fibrous web
    Patent number: 5750066
    Abstract: The present invention provides a method and apparatus for applying discrete particles of absorbent material to a predetermined location on a fibrous web. The apparatus comprises a continuously rotating mask, and a means for directing a supply stream of absorbent particles to form an acute included angle with a diverting surface on the rotating mask. The mask diverting surface splits the supply stream of absorbent particles into a first intermittent stream passing through the mask and a second intermittent stream deflected by the diverting surface. The absorbent particles in one of the first and second intermittent streams is directed to the fibrous web.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: May 12, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Michael Francis Vonderhaar, James Michael Fleming