Patents by Inventor Gerardus W. H. Janssen

Gerardus W. H. Janssen 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).

  • Powered toothbrush head
    Patent number: 7269872
    Abstract: A toothbrush head containing a first oscillating or rotating bristle bearing section in combination with a static bristle bearing section fixedly mounted to said head, wherein there are at least two bristles located on said static section which are oriented at different angles to the face thereof.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: September 18, 2007
    Assignee: Colgate-Palmolive Company
    Inventors: Joseph Edward Fattori, John J. Gatzemeyer, Gerardus W. H. Janssen
  • Powered toothbrush head
    Publication number: 20030192139
    Abstract: A toothbrush head containing a first oscillating or rotating bristle bearing section in combination with a static bristle bearing section fixedly mounted to said head, wherein there are at least two bristles located on said static section which are oriented at different angles to the face thereof.
    Type: Application
    Filed: April 12, 2002
    Publication date: October 16, 2003
    Inventors: Joseph Edward Fattori, John J. Gatzemeyer, Gerardus W. H. Janssen
  • Electric toothbrush head
    Patent number: D502320
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: March 1, 2005
    Assignee: Colgate-Palmolive Company
    Inventors: Joseph Edward Fattori, Gerardus W. H. Janssen, John J. Gatzemeyer, Eyal Eliav, Kyoungeun Ahn
  • Electric toothbrush bristle pattern
    Patent number: D475855
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: June 17, 2003
    Assignee: Colgate-Palmolive Company
    Inventors: Joseph Edward Fattori, Gerardus W. H. Janssen, John J. Gatzemeyer