Sit-up Type Patents (Class D21/687)
  • Patent number: 7097602
    Abstract: An abdominal exerciser that can be conveniently applied on the abdomen of a user who is laying down flat is provided. By pushing the abdominal exerciser up and down using the abdominal muscles, abdominal muscles become tones and excess fat can be reduced. The abdominal exerciser includes a flexible plate having a plurality of projections on the bottom surface, for pushing the abdomen down by gravity, and a weigh applying means fixed to the top surface of the flexible plate, for applying its weight to the abdomen.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: August 29, 2006
    Inventor: Young-dae Kim
  • Patent number: D438577
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: March 6, 2001
    Inventor: Iya Phillips
  • Patent number: D439291
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: March 20, 2001
    Assignee: Torso Track, Inc.
    Inventors: Larry W. Barnett, Charles Ho
  • Patent number: D506514
    Type: Grant
    Filed: April 1, 2004
    Date of Patent: June 21, 2005
    Inventor: Matthew D Bernstein
  • Patent number: D444517
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: July 3, 2001
    Inventor: Juillei J. Jonz
  • Patent number: D516638
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: March 7, 2006
    Assignee: Goodmarc Designs Ltd.
    Inventors: Marc David Felberg, Margaret Tonne Goodman
  • Patent number: D520084
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: May 2, 2006
    Assignee: Fitness Quest Inc.
    Inventors: John McVay, Jane Kmatz, Detlev F. Smith, Wu San Ching
  • Patent number: D522076
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: May 30, 2006
    Assignee: Inventor's Management Group, Inc.
    Inventor: Michael E. Casey
  • Patent number: D455802
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: April 16, 2002
    Inventor: Jaime G. Huitron Valencia
  • Patent number: D524385
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: July 4, 2006
    Assignee: Turbo Fitness Products LLC
    Inventor: Nicholas J. Webb
  • Patent number: D528614
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: September 19, 2006
    Assignee: Fitness Quest Inc.
    Inventors: John McVay, Jane Kmatz, Michael Clark
  • Patent number: D463837
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: October 1, 2002
    Assignee: Guthy-Renker Corp.
    Inventors: Jeffrey Todd Tuller, Neal Patrick Barnes, Ross Austin Mackert
  • Patent number: D469486
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: January 28, 2003
    Inventor: Daniel Olson
  • Patent number: D469648
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: February 4, 2003
    Inventor: William Brent Meldeau
  • Patent number: D545382
    Type: Grant
    Filed: December 8, 2005
    Date of Patent: June 26, 2007
    Inventor: Raymond Ross, Jr.
  • Patent number: D545928
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: July 3, 2007
    Inventor: Ming-Chih Huang
  • Patent number: D476384
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: June 24, 2003
    Assignee: DCD, Inc.
    Inventor: Charles Perez
  • Patent number: D478137
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: August 5, 2003
    Inventors: Wei Teh Ho, Michael E. Casey
  • Patent number: D558843
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: January 1, 2008
    Inventor: Jennifer Nardone
  • Patent number: D565134
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: March 25, 2008
    Assignee: AbCoaster Holdings LLC
    Inventors: Wallace Brown, Robert Nelson
  • Patent number: D566797
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: April 15, 2008
    Inventor: Sandra Yewdall
  • Patent number: D573671
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: July 22, 2008
    Inventor: Jennifer Nardone
  • Patent number: D573672
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: July 22, 2008
    Inventor: Chih Ming Hsu
  • Patent number: D574901
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: August 12, 2008
    Assignee: Engineering Fitness International Corp.
    Inventors: Thomas J. Campanaro, Dan McCutcheon, Charles Joseph Mahon
  • Patent number: D581471
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: November 25, 2008
    Assignee: E. Mishan & Sons, Inc.
    Inventors: Edward I. Mishan, Steven Mishan, Chih-Liang Chen
  • Patent number: D582494
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: December 9, 2008
    Inventor: Alexander Elnekaveh
  • Patent number: D496701
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: September 28, 2004
    Inventor: Yi-Min Chung
  • Patent number: D604373
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: November 17, 2009
    Assignee: ICON IP, Inc.
    Inventors: William T. Dalebout, Jared Robert Willardson
  • Patent number: D608401
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: January 19, 2010
    Assignee: Total Gym Fitness, LLC
    Inventors: Thomas J. Campanaro, Charles Joseph Mahon, Dan McCutcheon
  • Patent number: D612000
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: March 16, 2010
    Assignee: Total Gym Fitness, LLC
    Inventors: Thomas J. Campanaro, Charles Joseph Mahon, Dan McCutcheon
  • Patent number: D627014
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: November 9, 2010
    Assignee: Tristar Products, Inc.
    Inventor: Pete Gustin
  • Patent number: D630275
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: January 4, 2011
    Assignee: Perfect Pushup LLC
    Inventors: Alden M. Mills, John G. Holland, Kevan Hollenback, Mark Eastwood, Jeff W. Sand, Ian C. MacColl
  • Patent number: D630688
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: January 11, 2011
    Assignee: Perfect Pushup LLC
    Inventors: Alden M. Mills, John G. Holland, Kevan Hollenback, Mark Eastwood, Jeff W. Sand, Ian C. MacColl
  • Patent number: D646342
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: October 4, 2011
    Inventor: Shawn S. John
  • Patent number: D647153
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: October 18, 2011
    Assignee: E. Mishan & Sons, Inc.
    Inventors: Edward I. Mishan, Steven Mishan
  • Patent number: D649205
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: November 22, 2011
    Assignee: Chesed Direct Holdings Ltd
    Inventor: Kyriacos Mark Zachary
  • Patent number: D651262
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: December 27, 2011
    Inventors: Joanna Kabbani-Crawford, Paul Crawford
  • Patent number: D400953
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: November 10, 1998
    Inventor: Chin-Chen Huang
  • Patent number: D656207
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: March 20, 2012
    Assignee: E. Mishan & Sons, Inc.
    Inventors: Edward I. Mishan, Steven Mishan
  • Patent number: D405854
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: February 16, 1999
    Inventor: Brian A. Grant
  • Patent number: D408479
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: April 20, 1999
    Inventors: Patrick Conor Fitzpatrick, Frederic Morlaix
  • Patent number: D413948
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: September 14, 1999
    Assignee: Icon Health & Fitness, Inc.
    Inventor: William T. Dalebout
  • Patent number: D416059
    Type: Grant
    Filed: October 26, 1998
    Date of Patent: November 2, 1999
    Assignee: Marson Gold, Inc.
    Inventors: Jaeson D. Cayne, Joo Ho Paek, Francois Badeau
  • Patent number: D420070
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: February 1, 2000
    Inventors: William A. Zarillo, John P. Diamond, Jr., Keith L. Offenhauer
  • Patent number: D425585
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: May 23, 2000
    Assignee: World Famous Trading Company
    Inventor: Tai Fu Wu