Spark Or Glow Plug Patents (Class D13/127)
  • Spark plug igniter
    Patent number: D435829
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: January 2, 2001
    Inventor: Jae S. Kim
  • Spark plug igniter
    Patent number: D456774
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: May 7, 2002
    Inventor: Jae S. Kim
  • Portion of a spark plug body
    Patent number: D459697
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: July 2, 2002
    Inventor: Robert J. Schaus
  • Ground electrode for spark plug
    Patent number: D571726
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: June 24, 2008
    Inventor: Norman Hesson Garrett
  • Spark plug cover
    Patent number: D582343
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: December 9, 2008
    Inventor: Belbert A. Frazier
  • Transparent ceramic insulator for sparkplugs
    Patent number: D589880
    Type: Grant
    Filed: October 8, 2005
    Date of Patent: April 7, 2009
    Inventors: Robert Lee Steigleman, Jr., Jimmy Robert Allen, II
  • Ignition plug for internal combustion engine
    Patent number: D598849
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: August 25, 2009
    Inventor: Byoung Pyo Jun
  • Ignition plug for internal combustion engine
    Patent number: D598850
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: August 25, 2009
    Inventor: Byoung Pyo Jun
  • Ignition plug for internal combustion engine
    Patent number: D598851
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: August 25, 2009
    Inventor: Byoung Pyo Jun
  • Ignition plug for internal combustion engine
    Patent number: D598852
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: August 25, 2009
    Inventor: Byoung Pyo Jun
  • Ignition plug for internal combustion engine
    Patent number: D598853
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: August 25, 2009
    Inventor: Byoung Pyo Jun
  • Ignition plug for internal combustion engine
    Patent number: D598854
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: August 25, 2009
    Inventor: Byoung Pyo Jun
  • Ignition plug for internal combustion engine
    Patent number: D611902
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: March 16, 2010
    Inventor: Byoung Pyo Jun
  • Spark plug cover
    Patent number: D340440
    Type: Grant
    Filed: June 12, 1991
    Date of Patent: October 19, 1993
    Assignee: KuryAkyn Holdings, Inc.
    Inventors: S. Wyatt Fuller, Alwin J. Stahel
  • Auxiliary element for ignition plugs for internal combustion engines for automobiles
    Patent number: D344062
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: February 8, 1994
    Inventors: Ryohei Kashiwara, Hideaki Kashiwara, Hidehiko Noguchi, Takeaki Kashiwara
  • Spark plug extender
    Patent number: D349683
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: August 16, 1994
    Assignee: Viking Autotronic, Inc.
    Inventor: Ulf Arens
  • Candle
    Patent number: D644361
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: August 30, 2011
    Inventor: David E. McCoy
  • Spark plug
    Patent number: D381626
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: July 29, 1997
    Inventor: Marcus R. Burnside
  • Spark plug boot
    Patent number: D391226
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: February 24, 1998
    Assignee: Standard Motor Products
    Inventors: Allen K. Coombs, Michael Pearse
  • Spark plug protector cap
    Patent number: D407067
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: March 23, 1999
    Assignee: David A. Ekerson
    Inventor: David A. Ekerson
  • Spark plug cap for an internal combustion engine
    Patent number: D668609
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: October 9, 2012
    Assignee: Husqvarna Zenoah Co., Ltd.
    Inventors: Masaaki Sugiyama, Ryo Ono, Takashi Nakamura, Kiyoshi Anbo
  • Negative electrode for spark plug
    Patent number: D427972
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: July 11, 2000
    Inventor: Kevin Ray Parker
  • Igniter
    Patent number: D670246
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: November 6, 2012
    Assignee: Federal-Mogul Ignition Company
    Inventors: James D. Lykowski, John A. Burrows
  • Spark plug extension
    Patent number: D726112
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: April 7, 2015
    Assignee: SEM AB
    Inventors: Lars-Åke Andersson, Jörgen Bengtsson, Bert Gustafsson
  • Gun spark plug boot
    Patent number: D734722
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: July 21, 2015
    Assignee: Taylor Cable Products, Inc.
    Inventor: Rick Ojeda, Jr.
  • Spark plug insert
    Patent number: D816034
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: April 24, 2018
    Inventor: Dean S. Mascher
  • Electrode head
    Patent number: D951191
    Type: Grant
    Filed: September 26, 2020
    Date of Patent: May 10, 2022
    Assignees: SOLTEAM ELECTRONICS (DONG GUAN) CO., LTD., SOLTEAM ELECTRONICS (SU ZHOU) CO., LTD., SOLTEAM INCORPORATION
    Inventors: Chun-Yun Chang, Ying-Sung Ho, Ta-Feng Yeh, Cheng-Wei Lu, Chih-Hao Liu