Patents by Inventor Duane Larson

Duane Larson 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).

  • Patent number: 8083825
    Abstract: A filter arrangement includes a filter media pack having a side wall. A ring is oriented around and against the side wall of the filter media pack. The ring includes a band having an interior surface oriented against the side wall of the filter media pack and an opposite exterior surface. A first seal member is secured to the exterior surface of the band. The first seal member is oriented radially from the filter media pack. The filter media pack includes Z-media having an inlet flow face and an opposite outlet flow face. An air cleaner including a housing with a filter element operably installed therein is provided. Methods of installing, filtering, and servicing are described.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: December 27, 2011
    Assignee: Donaldson Company, Inc.
    Inventors: Wade Stephen Mosset, John David Kuhn, Susan Rae Brady, Donald Duane Larson, Wayne R. W. Bishop
  • Publication number: 20090211450
    Abstract: A filter arrangement includes a filter media pack having a side wall. A ring is oriented around and against the side wall of the filter media pack. The ring includes a band having an interior surface oriented against the side wall of the filter media pack and an opposite exterior surface. A first seal member is secured to the exterior surface of the band. The first seal member is oriented radially from the filter media pack. The filter media pack includes Z-media having an inlet flow face and an opposite outlet flow face. An air cleaner including a housing with a filter element operably installed therein is provided. Methods of installing, filtering, and servicing are described.
    Type: Application
    Filed: February 27, 2006
    Publication date: August 27, 2009
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Wade Stephen Mosset, John David Kuhn, Susan Rae Brady, Donald Duane Larson, Wayne R.W. Bishop
  • Patent number: 7494076
    Abstract: A secured method and pressing means for rendering data stored on a plurality of data storage devices unrecoverable. The method begins in a secure room where a mobile, relocatable hydraulic pressing means including at least one beveled bar is used for holding and crushing the plurality of data storage devices simultaneously. An activation device is connected to the mobile relocatable hydraulic pressing means enabling a user to send a signal to commence the destruction of the data storage devices to form debris. The debris is packed into storage containers and transported in a secure transport device to a location for secure storage or final disposition.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: February 24, 2009
    Inventors: Mark Dennis Larson, Verlin Duane Larson
  • Patent number: 5727694
    Abstract: A stand for supporting a conventional baseball-style cap consisting of a hole in the stand. The hole is circular in shape, with linear horizontal extensions. A plurality of the holes can be set in a self-supporting stand, thereby allowing caps to be stored or displayed in the stands.
    Type: Grant
    Filed: December 11, 1996
    Date of Patent: March 17, 1998
    Inventor: James Duane Larson
  • Patent number: 4587750
    Abstract: An air scoop arrangement is used to direct air towards a radiator of a vehicle carrying a front mounted snow plow blade. The air scoop includes an air engaging wall and oppositely disposed side walls depending therefrom. The air scoop is mounted on the snow plow blade in an adjustable angular orientation. The air engaging wall is substantially disposed above an upper end of the snow plow blade to engage and direct air towards the vehicle radiator.
    Type: Grant
    Filed: January 10, 1985
    Date of Patent: May 13, 1986
    Inventor: Duane Larson