Patents by Inventor Ulrich P. Saxer

Ulrich P. Saxer 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).

  • Oral irrigator with a stirrup-shaped nozzle holder
    Patent number: 5800367
    Abstract: An oral irrigator (1), with a stirrup-shaped nozzle holder (2) which encloses the teeth on both sides via two branches (3), is described. Nozzle openings (23 to 26) are arranged on the inner side of the branches (3) and are oriented at an acute angle (.beta.) to the axis of rotation (4) towards the open end (18) of the nozzle holder (2), in order to direct the nozzle jets (32), in the direction of the root (37), onto the lateral surfaces of the teeth (33).
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: September 1, 1998
    Assignee: TRISA Burstenfabrik AG Triengen
    Inventors: Ulrich P. Saxer, Franz Fischer
  • Brushless tooth cleaning device
    Patent number: 5337436
    Abstract: The device has an elastic cleaning head with an aperture. On the inside facing the aperture there is a brushless cleaning layer (12), e.g. of looped fabric. For cleaning purposes the head is first fitted over an incisor (15) and moved to and fro, fully covering the teeth (15, 16) on three sides. The device is simple and economical to make and fully cleans the teeth without damaging the tooth surface.
    Type: Grant
    Filed: June 15, 1992
    Date of Patent: August 16, 1994
    Inventors: Ulrich P. Saxer, Carlo A. Buzzi
  • Oral compositions for hexetidine and zinc salts for the synergistic inhibition of dental plaque
    Patent number: 4522806
    Abstract: Oral compositions, such as mouthwashes, sprays, gels, oral foams, toothpastes and the like which include a combination of an antibacterial pyrimidine amine base, especially hexetidine, plus one or several zinc salts. This combination inhibits the formation of dental plaque synergistically, without staining the teeth.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: June 11, 1985
    Assignee: Lever Brothers Company
    Inventors: Hans R. Muhlemann, Ulrich P. Saxer