Patents by Inventor Jim Rothman

Jim Rothman 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).

  • AIR CLEANER ARRANGEMENTS; SERVICEABLE FILTER ELEMENTS; AND, METHODS
    Publication number: 20080115758
    Abstract: An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securing the filter cartridge in that location. Preferred serviceable filter cartridges are provided, as well as methods of assembly and use.
    Type: Application
    Filed: January 25, 2008
    Publication date: May 22, 2008
    Applicant: Donaldson Company, Inc.
    Inventors: Randall Engelland, Thomas Olson, Gary Gillingham, Jim Rothman, Richard Suydam
  • Z-filter media with reverse-flow cleaning systems and methods
    Publication number: 20060112667
    Abstract: A method for cleaning a filter having Z-media includes providing a filter having Z-media and cleaning the media construction by directing a pulse of compressed gas into the media construction through the downstream flow face. Filter elements useable with such methods include elements made of Z-media. An example system utilizing the method includes a gas turbine air intake system.
    Type: Application
    Filed: January 12, 2006
    Publication date: June 1, 2006
    Applicant: Donaldson Company, Inc.
    Inventors: Timothy Sporre, Jim Rothman, Michael Handley, Thomas Raether