Patents by Inventor David J. Martin

David J. Martin 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).

  • Publication number: 20090241285
    Abstract: A convertible blower/vacuum for selectively blowing or vacuuming debris. The blower/vacuum may include a housing to which a blower/vacuum tube is coupled. The tube may be movable, relative to the housing, to allow a primary passageway of the tube to selectively communicate with either an air inlet of the housing or an air outlet. The blower/vacuum may further include a vacuum receptacle having an opening that selectively communicates with the air outlet when the passageway of the tube communicates with the air inlet.
    Type: Application
    Filed: March 31, 2008
    Publication date: October 1, 2009
    Inventors: Darrell W. Hinklin, David J. Martin
  • Patent number: 7000950
    Abstract: A filler neck for a fuel tank used on busses achieves higher filling rates by varying the geometry and cross sectional size of the filler neck depending on local slope of the neck and available space to fit the neck, particularly between a bus chassis frame rail and the bus body floor.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: February 21, 2006
    Assignee: International Truck Intellectual Property Company, LLC
    Inventors: Robert H. Neely, Jr., David J. Martin, Howard L. Pratt, Brad A. Hively, Len A. Hindsley
  • Patent number: 5415918
    Abstract: A multi-ply napkin having a functional emboss design containing an embossed edge, an embossed folded edge, and an unembossed wiping surface.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: May 16, 1995
    Assignee: James River Corporation of Virginia
    Inventors: Frederick J. Lang, David J. Martin
  • Patent number: 5318182
    Abstract: A stackable tray for paper stock, drawings sheets, or the like comprising a bottom panel, opposing side walls extending upwardly from the bottom panel along the side edges thereof, and front and walls extending upwardly from the bottom panel along the front and rear edges thereof. The front wall is comprised of a pair of spaced apart front wall segments defining an opening traversing substantially the length of the tray. The walls define a top ledge extending upwardly and a bottom ledge extending downwardly. The top and bottom ledges are sized and positioned so that the top ledge of one tray is received within and bounded by the bottom ledge of a like tray when the trays are stacked, or vice versa. The bottom panel defines a plurality of recesses aligned in rows and columns. A cross brace traverses each tray and is received within a recess formed in the underside of the bottom panel.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: June 7, 1994
    Assignee: Liberty Diversified Industries
    Inventors: Stanley R. Thorud, Richard K. Bergquist, David J. Martin
  • Patent number: D450226
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: November 13, 2001
    Assignee: The Toro Company
    Inventor: David J. Martin
  • Patent number: D519127
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: April 18, 2006
    Assignee: The Toro Company
    Inventors: Chadwick A. Shaffer, David J. Martin
  • Patent number: D523805
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: June 27, 2006
    Assignee: The Toro Company
    Inventor: David J. Martin
  • Patent number: D524824
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: July 11, 2006
    Assignee: The Toro Company
    Inventors: Chadwick A. Shaffer, David J. Martin
  • Patent number: D461604
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: August 13, 2002
    Assignee: The Toro Company
    Inventors: David J. Martin, Steven J. Svoboda, Chadwick A. Shaffer
  • Patent number: D530726
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: October 24, 2006
    Assignee: The Toro Company
    Inventor: David J. Martin
  • Patent number: D556395
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: November 27, 2007
    Assignee: The Toro Company
    Inventors: David J. Martin, Chadwick A. Shaffer
  • Patent number: D483236
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: December 9, 2003
    Assignee: The Toro Company
    Inventors: David J. Martin, Chadwick A. Shaffer
  • Patent number: D566491
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: April 15, 2008
    Assignee: The Toro Company
    Inventors: David J. Martin, Chadwick A. Shaffer
  • Patent number: D494193
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: August 10, 2004
    Assignee: The Toro Company
    Inventors: David J. Martin, Nathan J. Friberg
  • Patent number: D610167
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: February 16, 2010
    Assignee: The Toro Company
    Inventors: David J. Martin, Chris A. Wadzinski
  • Patent number: D336492
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: June 15, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Bruce E. Samuelson, David J. Martin
  • Patent number: D342092
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: December 7, 1993
    Assignee: Minnesota Mining and Manufacturing
    Inventors: Bruce E. Samuelson, David J. Martin
  • Patent number: D348284
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: June 28, 1994
    Assignee: Liberty Diversified Industries
    Inventors: Stanley R. Thorud, Richard K. Bergquist, David J. Martin
  • Patent number: D424578
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: May 9, 2000
    Assignee: The Toro Company
    Inventors: Nathan J. Friberg, David J. Martin, Anthony N. Pink, Larry W. Schmidt, Philip G. Stalpes
  • Patent number: D434620
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: December 5, 2000
    Assignee: The Toro Company
    Inventor: David J. Martin