Patents by Inventor Ernst Orsing

Ernst Orsing 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: 5753158
    Abstract: Method for manufacturing aspirator tubes (10) for medical and dental use which are provided with two opposite air apertures (13) adjacent at least one end thereof. The air apertures are made in a tube length which is moving axially and is cut to individual aspirators tubes. The apertures are made and the tube length is cut by means of continuously rotating cutters (17, 18, 22, 23) which are cuttingly engaged with the tube length at predetermined revolutions only while said cutters are brought to idle therebetween, withdrawn from the tube length.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: May 19, 1998
    Inventor: Ernst Orsing
  • Patent number: 5476630
    Abstract: Method of manufacturing a dental aspirator by extruding a continuous tube with a bellows portion. The tube is angled to form a number of folds, each of which consists of two cup-shaped portions having concave surfaces facing each other. One cup-shaped portion is made smaller than the other, allowing them to be snapped together. The bellows are formed from the tube wall by chilled mold chains. At the same time, the tube is profiled to form an end portion at the suction end of the finished aspirator.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: December 19, 1995
    Inventor: Ernst Orsing
  • Patent number: D438954
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: March 13, 2001
    Inventor: Ernst Orsing
  • Patent number: D548335
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: August 7, 2007
    Inventor: Ernst Orsing
  • Patent number: D344336
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: February 15, 1994
    Inventor: Ernst Orsing
  • Patent number: D677379
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: March 5, 2013
    Inventor: Ernst Orsing