Patents by Inventor Robert J. Schellin

Robert J. Schellin 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).

  • Exhaust water trap
    Patent number: 7347044
    Abstract: A vertical exhaust water trap assembly has an outer housing and an internal housing or exhaust tube defining an annular water collection spaced therebetween bypassing a central exhaust flow area.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: March 25, 2008
    Assignee: Fleetguard, Inc.
    Inventors: Scott M. Lubenow, Patrick M. Klein, Robert J. Schellin
  • Vertical exhaust water trap assembly
    Patent number: 7114330
    Abstract: An exhaust water trap assembly has separated and spaced exhaust tubes, and a dome cap blocking entry of water to protect an upstream catalytic converter or soot filter. A first tube extends axially upwardly into a housing, and a second tube is spaced vertically thereabove. The dome cap on the top end of the first tube blocks exhaust flow axially upwardly therepast and blocks entry of water axially downwardly therepast.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: October 3, 2006
    Assignee: Fleetguard, Inc.
    Inventor: Robert J. Schellin
  • Compact, reduced backpressure, vertical exhaust water trap assembly
    Patent number: 6868670
    Abstract: An exhaust water trap assembly has separated and spaced exhaust tubes, and a dome cap blocking entry of water to protect an upstream catalytic converter or soot filter. A first tube extends axially upwardly into a housing, and a second tube is spaced vertically thereabove. The dome cap on the top end of the first tube blocks exhaust flow axially upwardly therepast and blocks entry of water axially downwardly therepast.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: March 22, 2005
    Assignee: FleetGuard, Inc.
    Inventor: Robert J. Schellin
  • Gaseous diluter
    Patent number: D734229
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: July 14, 2015
    Assignee: Nelson Global Products, Inc.
    Inventors: Nathaniel J. Derks, Shane P. O'Rourke, Robert J. Schellin