Patents by Inventor John Evan

John Evan 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).

  • MULTI-LUMEN CATHETER WITH SEPARATE DISTAL TIPS
    Publication number: 20080021417
    Abstract: A multi-lumen catheter including tip sections distal to a dividing point, the tip sections releasably joined by a method that produces a variable separation force between the tip sections along a length thereof. An increasing separation force may be imparted to the tip sections by providing an increasing bond strength in fusion zones from a distal portion of the tip sections toward the dividing point.
    Type: Application
    Filed: September 21, 2007
    Publication date: January 24, 2008
    Inventors: John Zawacki, Kelly Powers, John Evan, Guy Rome
  • High temperature compliant roll particularly adapted for xerography
    Patent number: 4791275
    Abstract: A heated roll suitable for use as a fuser roll in a xerographic processes is formed from a sheet of flexible, resilient, polyimide foam. An electrical heating circuit is adhesively secured thereto. The circuit is preferably disposed between a pair of polyimide film sheets which, in turn, are secured to the foam.
    Type: Grant
    Filed: April 7, 1986
    Date of Patent: December 13, 1988
    Assignee: IMI-TECH Corporation
    Inventors: Raymond Lee, Gregory A. Ferro, John Evan