Patents by Inventor David H. Roland

David H. Roland 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: 7610635
    Abstract: A drain cleaner is disclosed for use with a drain assembly having a drain pipe, a flange coupled to the drain pipe and defining a drain inlet, and a pop-up assembly having an actuating arm disposed in the drain pipe. The drain cleaner includes a stopper head having a seal sized to engage the drain inlet and an inlet passage extending from an inlet port formed in a top surface of the stopper head to an outlet port formed in a bottom surface of the stopper head. A stopper guide has a proximal end coupled to the stopper head bottom surface and a distal end, the stopper guide distal end including a tail piece adapted to operatively engage the actuating arm of the pop-up assembly. A drain cleaning composition is supported below the stopper head bottom surface.
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: November 3, 2009
    Assignee: S.C. Johnson & Son, Inc.
    Inventors: Marissa A. K. Schultz, Emily Schoenfelder, David H. Roland
  • Publication number: 20080276392
    Abstract: A drain cleaner is disclosed for use with a drain assembly having a drain pipe, a flange coupled to the drain pipe and defining a drain inlet, and a pop-up assembly having an actuating arm disposed in the drain pipe. The drain cleaner includes a stopper head having a seal sized to engage the drain inlet and an inlet passage extending from an inlet port formed in a top surface of the stopper head to an outlet port formed in a bottom surface of the stopper head. A stopper guide has a proximal end coupled to the stopper head bottom surface and a distal end, the stopper guide distal end including a tail piece adapted to operatively engage the actuating arm of the pop-up assembly. A drain cleaning composition is supported below the stopper head bottom surface.
    Type: Application
    Filed: May 9, 2007
    Publication date: November 13, 2008
    Inventors: Marissa A.K. Schultz, Emily Schoenfelder, David H. Roland
  • Patent number: D594613
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: June 16, 2009
    Assignee: Rovcal, Inc.
    Inventors: Carl G. Kammer, Cory R. Boudreau, David H. Roland
  • Patent number: D594614
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: June 16, 2009
    Assignee: Rovcal, Inc.
    Inventors: Carl G. Kammer, Cory R. Boudreau, David H. Roland
  • Patent number: D619766
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: July 13, 2010
    Assignee: Rovcal, Inc.
    Inventors: William J. Nitz, Cory R. Boudreau, David H. Roland, Paul Schmitt, Michael J. Nickel
  • Patent number: D620198
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: July 20, 2010
    Assignee: ROVCAL, Inc.
    Inventors: William J. Nitz, Cory R. Boudreau, David H. Roland, Paul Schmitt, Michael J. Nickel
  • Patent number: D620199
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: July 20, 2010
    Assignee: Rovcal, Inc.
    Inventors: Patrick Maguire, Frank Mercurio, James M. O'Neil, James R. Patullo, David H. Roland, Paul A. Schmitt
  • Patent number: D620200
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: July 20, 2010
    Assignee: ROVCAL, Inc.
    Inventors: Vladlena Belozerova, David H Roland, Richard Scott Walters
  • Patent number: D620641
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: July 27, 2010
    Assignee: Rovcal, Inc.
    Inventors: William J. Nitz, Cory R. Boudreau, David H. Roland, Paul Schmitt, Michael J. Nickel
  • Patent number: D620642
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: July 27, 2010
    Assignee: ROVCAL, Inc.
    Inventors: William J. Nitz, Cory R. Boudreau, David H. Roland, Paul Schmitt, Michael J. Nickel
  • Patent number: D620643
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: July 27, 2010
    Assignee: ROVCAL, Inc.
    Inventors: Daniel R. Teteak, David H. Roland
  • Patent number: D621096
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: August 3, 2010
    Assignee: Rovcal, Inc.
    Inventors: Patrick Maguire, Frank Mercurio, James M. O'Neil, James R. Patullo, David H. Roland, Paul A. Schmitt
  • Patent number: D632434
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: February 8, 2011
    Assignee: Rovcal, Inc.
    Inventors: Patrick Maguire, Frank Mercurio, James M. O'Neil, James R. Patullo, David H. Roland, Paul A. Schmitt
  • Patent number: D737514
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: August 25, 2015
    Assignee: Spectrum Brands, Inc.
    Inventors: David H. Roland, Andrew Edward Morrison, Andres Felipe Moline, Anderson Rafael Martinez, Daniel Teteak, Patrick Maguire
  • Patent number: D737515
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: August 25, 2015
    Assignee: Spectrum Brands, Inc.
    Inventors: David H. Roland, Andrew Edward Morrison, Andres Felipe Moline, Anderson Rafael Martinez, Daniel Teteak, Patrick Maguire
  • Patent number: D737516
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: August 25, 2015
    Assignee: Spectrum Brands, Inc.
    Inventors: David H. Roland, Andrew Edward Morrison, Andres Felipe Moline, Anderson Rafael Martinez, Daniel Teteak, Patrick Maguire
  • Patent number: D738042
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: September 1, 2015
    Assignee: Spectrum Brands, Inc.
    Inventors: David H. Roland, Andrew Edward Morrison, Andres Felipe Moline, Anderson Rafael Martinez, Daniel Teteak, Patrick Maguire
  • Patent number: D763507
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 9, 2016
    Assignee: Spectrum Brands, Inc.
    Inventors: Daniel Teteak, David H. Roland
  • Patent number: D763508
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 9, 2016
    Assignee: Spectrum Brands, Inc.
    Inventors: Daniel Teteak, David H. Roland, Patrick Nally, Trevis Kurz
  • Patent number: D763509
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 9, 2016
    Assignee: Spectrum Brands, Inc.
    Inventors: Daniel Teteak, David H. Roland