Patents by Inventor Diane Welling

Diane Welling 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).

  • Tampon
    Publication number: 20050113780
    Abstract: A tampon for feminine hygiene, having an insertion end, a withdrawal end, a length, a longitudinal axis, and an outer surface. The tampon has compressed fibrous material. The outer surface of the tampon has a first region and second region. The first region has a first coefficient of friction and the second region has a second coefficient of friction different than the first coefficient of friction.
    Type: Application
    Filed: September 16, 2004
    Publication date: May 26, 2005
    Inventors: Joseph Gatto, Thomas Osborn, Diane Welling
  • Safety trocar
    Patent number: 5314417
    Abstract: A safety trocar is provided which includes a spring-loaded shield that shields the cutting tip of the obturator after the obturator penetrates tissue. The distal end of the shield is conical in profile and contains a slot which conforms to the geometry of the cutting tip. The obturator tip contains a knife edge blade which extends the length of the cannula inner diameter. Ideally, the knife is made of an amorphous metal, and may be serrated at its edge.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: May 24, 1994
    Assignee: Ethicon, Inc.
    Inventors: Randy R. Stephens, Gregory D. Bishop, James Voegele, Diane Welling, Richard Smith, John M. Collins, George Selecman