Patents by Inventor Onno Koelman

Onno Koelman 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).

  • Axial flow fan
    Patent number: 8328522
    Abstract: A fan or rotor design where the surface profile may be configured to desired dimensions particular to a given operating environment is disclosed.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: December 11, 2012
    Assignee: Pax Scientific, Inc.
    Inventors: Jayden David Harman, Kimberly Penney, Paul Lees, Onno Koelman
  • Axial flow fan
    Publication number: 20080145230
    Abstract: A fan or rotor design where the surface profile may be configured to desired dimensions particular to a given operating environment is disclosed.
    Type: Application
    Filed: September 28, 2007
    Publication date: June 19, 2008
    Inventors: Jayden David Harman, Kimberly Penney, Paul Lees, Onno Koelman