Patents by Inventor Shaun Richerson

Shaun Richerson 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).

  • Filter apparatus and methods
    Patent number: 6790397
    Abstract: The invention provides a filter apparatus for removing air entrained particles comprising a pleated filter media. A first media member has a plurality of alternating upstream and downstream folds and a wall connecting the folds. A pair of slits forms an aperture and a hinged pleat. A second media member matingly attaches to the first media member.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: September 14, 2004
    Assignee: Andreae Filters, Inc.
    Inventors: C. Shaun Richerson, Robert Andreae
  • Filter apparatus and methods
    Publication number: 20040088958
    Abstract: The invention provides a filter apparatus for removing air entrained particles comprising a pleated filter media. A first media member has a plurality of alternating upstream and downstream folds and a wall connecting the folds. A pair of slits forms an aperture and a hinged pleat. A second media member matingly attaches to the first media member.
    Type: Application
    Filed: June 30, 2003
    Publication date: May 13, 2004
    Inventors: C. Shaun Richerson, Robert Andreae
  • Filter apparatus and methods
    Patent number: 6585793
    Abstract: The invention provides a filter apparatus for removing air entrained particles comprising a pleated filter media. A first media member has a plurality of alternating upstream and downstream folds and a wall connecting the folds. A pair of slits forms an aperture and a hinged pleat. A second media member matingly attaches to the first media member.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: July 1, 2003
    Assignee: Andreae Filters, Inc.
    Inventors: C. Shaun Richerson, Robert Andreae
  • Filter apparatus and methods
    Publication number: 20020083692
    Abstract: The invention provides a filter apparatus for removing air entrained particles comprising a pleated filter media. A first media member has a plurality of alternating upstream and downstream folds and a wall connecting the folds. A pair of slits forms an aperture and a hinged pleat. A second media member matingly attaches to the first media member.
    Type: Application
    Filed: December 29, 2000
    Publication date: July 4, 2002
    Inventors: C. Shaun Richerson, Robert Andreae
  • Filter apparatus
    Patent number: 6328778
    Abstract: The invention provides a filter apparatus for removing air entrained particles comprising a collapsible filter media. The filter media has a periphery. A continuous frame extends around and attaches to the periphery of the filter media whereby the filter media and attached frame together can be lengthwise collapsed.
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: December 11, 2001
    Assignee: Andreae Filters, Inc.
    Inventors: Shaun Richerson, Francois Lautens