Patents by Inventor David William Koeper

David William Koeper 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).

  • Publication number: 20090093795
    Abstract: A catheter having a first portion having a seal extending from the outer surface thereof and a first hollow-bore diameter, a second portion in fluid communication with the first portion via a venturi, the second portion having a second hollow-bore diameter, and the first hollow-bore diameter is no greater than 90 percent of the second hollow-bore diameter.
    Type: Application
    Filed: October 4, 2007
    Publication date: April 9, 2009
    Inventor: David William Koeper