Patents by Inventor Leon Grado?

Leon Grado? 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).

  • Method and apparatus for making filter element, including multi-characteristic filter element
    Patent number: 8231752
    Abstract: Method and apparatus are provided for making a filter element by spinning fibers from one or more dies onto a collector, including designated combinations providing designated filter characteristics.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: July 31, 2012
    Assignees: Cummins Filtration IP Inc., Microspun Products Ltd.
    Inventors: Eric A. Janikowski, Barry M. Verdegan, Jerald J. Moy, Jacek Bodasiński, Witalis Rumiński, Leon Gradoń, Tadeusz Jaroszczyk, Robert E. Muse, Melvin Rice
  • Variable coalescer
    Patent number: 7674425
    Abstract: A coalescer has variable characteristics including variable diameter of individual fibers along their length such that an individual fiber has differing diameters at different points along its length, and including variable porosity.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: March 9, 2010
    Assignee: Fleetguard, Inc.
    Inventors: Brian W. Schwandt, Christopher E. Holm, Tadeusz Jaroszczyk, Eric A. Janikowski, Kwok-Lam Ng, Barry M. Verdegan, Roger L. Zoch, Leon Gradoń, Jacek Bodasiński, Witalis Rumiński, William C. Haberkamp