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Class Information
Number: 123/169EL
Name: Internal-combustion engines > Igniters > Sparkers > Plugs > Electrodes
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7395793 |
Ignition system for an internal combustion engine |
Jul. 8, 2008 |
| 7385339 |
Ignition device having a reflowed firing tip and method of making |
Jun. 10, 2008 |
| 7382084 |
Spark plug having a precious metal tip |
Jun. 3, 2008 |
| 7368864 |
Spark plug |
May. 6, 2008 |
| 7347174 |
Combustion promoting device for internal combustion engine |
Mar. 25, 2008 |
| 7323811 |
Noble metal tip for spark plug electrode and method of making same |
Jan. 29, 2008 |
| 7299785 |
Embedded igniter system for internal combustion engines |
Nov. 27, 2007 |
| 7293541 |
Combustion-type power tool having ignition proof arrangement |
Nov. 13, 2007 |
| 7291961 |
Spark plug having a specific structure of noble metal tip on ground electrode |
Nov. 6, 2007 |
| 7267116 |
Spark plug and ignition apparatus using same |
Sep. 11, 2007 |
| 7259506 |
Spark plug with perpendicular knife edge electrodes |
Aug. 21, 2007 |
| 7256533 |
High electrical stiction spark plug |
Aug. 14, 2007 |
| 7250711 |
Spark plug with increased durability and carbon fouling resistance |
Jul. 31, 2007 |
| 7230369 |
Spark plug |
Jun. 12, 2007 |
| 7150252 |
Spark plug and internal combustion engine equipped with the spark plug |
Dec. 19, 2006 |
| 7116041 |
Spark electrode assembly |
Oct. 3, 2006 |
| 7105990 |
Spark plug for internal combustion engine |
Sep. 12, 2006 |
| 7086363 |
Spark plug and ignition apparatus using same |
Aug. 8, 2006 |
| 7059926 |
Method of making a spark plug having a multi-tiered center wire assembly |
Jun. 13, 2006 |
| 7019448 |
Spark plug having a multi-tiered center wire assembly |
Mar. 28, 2006 |
| 7007653 |
Robust torch jet spark plug electrode |
Mar. 7, 2006 |
| 6923699 |
Method of making a spark plug |
Aug. 2, 2005 |
| 6885135 |
Spark plug and its manufacturing method |
Apr. 26, 2005 |
| 6858975 |
Spark plug having an oil film on an intermediate portion of the insulator or intermediate portion of the metallic shell |
Feb. 22, 2005 |
| 6807933 |
Multiple sparking ignition device |
Oct. 26, 2004 |
| 6796299 |
Ignition system for internal combustion engine and ignition method of fuel charged in a fuel chamber |
Sep. 28, 2004 |
| 6794802 |
Spark plug for an internal combustion engine and method for producing a spark plug |
Sep. 21, 2004 |
| 6791246 |
Spark plug and method for its manufacture |
Sep. 14, 2004 |
| 6724132 |
Spark plug for an engine for a cogeneration system |
Apr. 20, 2004 |
| 6703770 |
Spark plug attachment structure and spark plug therefor |
Mar. 9, 2004 |
| 6659081 |
Arrangement for mounting a sparkplug of an internal combustion engine |
Dec. 9, 2003 |
| 6642638 |
Spark plug with Ir-alloy chip |
Nov. 4, 2003 |
| 6634331 |
Piston with integrated spark electrode |
Oct. 21, 2003 |
| 6621198 |
Spark plug having iridum alloy tip, iron-based alloy tip bonding portion and stress relieving layer therebetween |
Sep. 16, 2003 |
| 6611084 |
Spark plug |
Aug. 26, 2003 |
| 6611083 |
Torch jet spark plug electrode |
Aug. 26, 2003 |
| 6597088 |
Spark plug with pressure measuring device |
Jul. 22, 2003 |
| 6584945 |
Spark unit for combustion-powered driving tool |
Jul. 1, 2003 |
| 6583538 |
Spark plug |
Jun. 24, 2003 |
| 6573641 |
Spark plug |
Jun. 3, 2003 |
| 6557508 |
Robust torch jet spark plug electrode |
May. 6, 2003 |
| 6523515 |
Spark plug for internal combustion engines and manufacturing method thereof |
Feb. 25, 2003 |
| 6509676 |
Spark plug construction for enhanced heat transfer |
Jan. 21, 2003 |
| 6495948 |
Spark plug |
Dec. 17, 2002 |
| 6470845 |
Spark plug for internal combustion engine |
Oct. 29, 2002 |
| 6412465 |
Ignition device having a firing tip formed from a yttrium-stabilized platinum-tungsten alloy |
Jul. 2, 2002 |
| 6344707 |
Spark plug |
Feb. 5, 2002 |
| 6310430 |
Spark plug having a metallic terminal within a through-hole |
Oct. 30, 2001 |
| 6225752 |
Spark plug for internal combustion engine |
May. 1, 2001 |
| 6215234 |
Spark plug having specified spark gap dimensional relationships |
Apr. 10, 2001 |
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