Grounded Or Three-prong Type Patents (Class D13/138.2)
  • Molded plug
    Patent number: D447118
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: August 28, 2001
    Assignee: Monster Cable Products, Inc.
    Inventor: Kendrew Lee
  • Plug
    Patent number: D460044
    Type: Grant
    Filed: September 19, 2001
    Date of Patent: July 9, 2002
    Assignee: All-Line, Inc.
    Inventor: Albert Stekelenburg
  • Electrical plug
    Patent number: D533837
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: December 19, 2006
    Inventor: Peace Wang
  • Wall plug
    Patent number: D535947
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: January 30, 2007
    Assignee: Belkin Corporation
    Inventors: Mitchell Suckle, Yoko Iida, Yotaro Tsuchiya
  • Wall plug
    Patent number: D536303
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: February 6, 2007
    Assignee: Belkin Corporation
    Inventors: Mitchell Suckle, Yoko Iida, Yotaro Tsuchiya
  • Plug termination handles
    Patent number: D538746
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: March 20, 2007
    Inventor: Norman A. Young
  • Plug for electrical appliance
    Patent number: D473188
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: April 15, 2003
    Assignee: Mistral International Pty Ltd.
    Inventors: Aik Pin Cheah, Paul Robert Turk
  • Electrical connector head replacement plug
    Patent number: D549651
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: August 28, 2007
    Assignee: Camco Manufacturing, Inc
    Inventors: Robert C. Mancari, Jeffrey R. Russell
  • Plug adaptator
    Patent number: D475349
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: June 3, 2003
    Assignee: Gestra
    Inventors: Jean Guizard, Bernard Aversenq
  • Power outlet plug
    Patent number: D553570
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: October 23, 2007
    Assignee: Hubbell Incorporated
    Inventor: David Mark Peck
  • Power adaptor
    Patent number: D562766
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: February 26, 2008
    Inventor: Hsien-Lin Yang
  • Electrical wiring device
    Patent number: D484096
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: December 23, 2003
    Assignee: Woodhead Industries, Inc.
    Inventors: Michael P. Mackin, Yih-Chyuan Chiou
  • Pair of connectors for a cord set
    Patent number: D484460
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: December 30, 2003
    Inventors: Charles Cheng, Dan Alteimer, Peter Schmidt
  • Pair of connectors for a cord set
    Patent number: D485239
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: January 13, 2004
    Inventors: Melany Lynn Whalin, Trisha Shannon Irbe, John T. Houlihan
  • Electric plug for a power cord
    Patent number: D489329
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: May 4, 2004
    Assignee: Tower Manufacturing Corporation
    Inventor: Louis Shatkin
  • Assist plug
    Patent number: D493142
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: July 20, 2004
    Assignee: Breville Pty Ltd.
    Inventor: Eddie Siu
  • Plug
    Patent number: D585378
    Type: Grant
    Filed: July 3, 2007
    Date of Patent: January 27, 2009
    Assignee: NCC NY, LLC
    Inventor: Joseph Haber
  • Plug
    Patent number: D586296
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: February 10, 2009
    Inventor: Szu-Ping Liu
  • Adapter plug
    Patent number: D498462
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: November 16, 2004
    Assignee: Apple Computer, Inc.
    Inventors: Bartley K. Andre, Daniel J. Coster, Daniele De Iuliis, Richard P. Howarth, Jonathan P. Ive, Steve Jobs, Duncan Robert Kerr, Matthew Dean Rohrbach, Douglas B. Satzger, Calvin Q. Seid, Christopher J. Stringer, Eugene Anthony Whang
  • Electrical extension cord plug and receptacle
    Patent number: D591680
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: May 5, 2009
    Assignee: Gehr Industries, Inc.
    Inventors: Galen Ho'o, Victor C. Chan
  • Plug connector
    Patent number: D592139
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: May 12, 2009
    Assignee: Conntek Integrated Solutions, Inc.
    Inventor: Jui Hsiung Wu
  • Cable connector
    Patent number: D592140
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: May 12, 2009
    Inventor: Jay Victor
  • Cable connector
    Patent number: D610093
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: February 16, 2010
    Inventor: Jay Victor
  • Plug connector
    Patent number: D614571
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: April 27, 2010
    Assignee: Conntek Integrated Solutions Inc.
    Inventor: Jui Hsiung Wu
  • Plug
    Patent number: D620889
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: August 3, 2010
    Assignee: Research In Motion Limited
    Inventors: Dustin Jonathan Smith, Sergei Streltsov, Todd Andrew Wood
  • Power plug
    Patent number: D623594
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: September 14, 2010
    Assignee: Apple Inc.
    Inventors: Jody Akana, Bartley K. Andre, Jeremy Bataillou, Daniel J. Coster, Danielle De Iuliis, Evans Hankey, Richard P. Howarth, Jonathan P. Ive, Duncan Robert Kerr, Shin Nishibori, Matthew Dean Rohrbach, Peter Russell-Clarke, Christopher J. Stringer, Eugene Antony Whang, Rico Zorkendorfer
  • Electrical plug
    Patent number: D635514
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: April 5, 2011
    Assignee: Joe Doucet Studio LP
    Inventor: Joe D. Doucet
  • 30 amp electrical connector head replacement plug
    Patent number: D635515
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: April 5, 2011
    Assignee: Camco Manufacturing Inc.
    Inventors: Jake C. Atwell, Dominic W. Benedict
  • 50 amp electrical connector head replacement plug
    Patent number: D638359
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: May 24, 2011
    Assignee: Camco Manufacturing Inc.
    Inventors: Jake C. Atwell, Dominic W. Benedict
  • Electrical plug adapter
    Patent number: D648678
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: November 15, 2011
    Inventor: Jens Eystein Thornton
  • Plug
    Patent number: D650335
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: December 13, 2011
    Assignee: Panasonic Electric Works Co., Ltd.
    Inventor: Yasuhiro Akahori
  • Plug
    Patent number: D651976
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: January 10, 2012
    Assignee: Panasonic Electric Works Co., Ltd.
    Inventor: Yasuhiro Akahori
  • Plug
    Patent number: D652383
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: January 17, 2012
    Assignee: Panasonic Electric Works Co., Ltd.
    Inventor: Yasuhiro Akahori
  • Plug with a pull ring
    Patent number: D652800
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: January 24, 2012
    Inventors: Kuo Liang-Hsu, Susan James, Zheng Wei
  • Electrical device
    Patent number: D653214
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: January 31, 2012
    Assignee: Zhongshan Kaper Electrical Co., Ltd.
    Inventor: Bill Zou
  • Outlet adaptor
    Patent number: D654435
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: February 21, 2012
    Assignee: XYZ Science Co., Ltd.
    Inventor: Chiu-San Lee
  • Plug
    Patent number: D657313
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: April 10, 2012
    Assignee: Research In Motion Limited
    Inventors: Anders Fahrendorff, Todd Andrew Wood, Dustin Jonathan Smith
  • Plug with a pull ring
    Patent number: D660235
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: May 22, 2012
    Inventors: Kuo Liang-Hsu, Susan James, Zheng Wei
  • Plug
    Patent number: D664094
    Type: Grant
    Filed: June 18, 2010
    Date of Patent: July 24, 2012
    Inventor: Walter Ruffner
  • 30 AMP mini replacement plug
    Patent number: D664095
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: July 24, 2012
    Assignee: Camco Manufacturing, Inc.
    Inventors: Dominic W. Benedict, Jeffrey R. Russell
  • Electric power plug
    Patent number: D670248
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: November 6, 2012
    Inventor: Liang Light Chen
  • Electrical plug
    Patent number: D701835
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: April 1, 2014
    Inventors: Norman R. Byrne, Daniel P. Byrne, William F. Schacht, Chad Zimmerman
  • Electrical plug
    Patent number: D716231
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: October 28, 2014
    Inventors: Norman R. Byrne, Daniel P. Byrne, William F. Schacht, Chad Zimmerman
  • Electrical plug
    Patent number: D716734
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: November 4, 2014
    Inventors: Norman R. Byrne, Daniel P. Byrne, William F. Schacht, Chad Zimmerman
  • Electrical plug
    Patent number: D716735
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: November 4, 2014
    Inventors: Norman R. Byrne, Daniel P. Byrne, William F. Schacht, Chad Zimmerman
  • Power cord apparatus
    Patent number: D735136
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: July 28, 2015
    Assignee: Tower Manufacturing Corporation
    Inventor: Victor V Aromin
  • Receptacle plug with grip
    Patent number: D737207
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: August 25, 2015
    Assignee: Valterra Products, LLC.
    Inventor: Bryan Fletcher
  • Receptacle plug with grip
    Patent number: D738310
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: September 8, 2015
    Assignee: Valterra Products LLC
    Inventor: Bryan Fletcher
  • Electrical power unit for a work surface
    Patent number: D741266
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: October 20, 2015
    Inventors: Norman R. Byrne, Randell E. Pate
  • Extension cord plug
    Patent number: D746233
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: December 29, 2015
    Inventors: Jeffrey Lyons, Giacomo Strollo