Spark plug with a ground electrode concentrically disposed to a central ...
US Pat. 5280214 - Filed Feb 19, 1993 - Ultra Performance International, Inc.
... Number: [45] Date of Patent: 5280214 Jan., [54] SPARK PLUG WITH A GROUND
ELECTRODE CONCENTRICALLY DISPOSED TO A CENTRAL ELECTRODE [75] Inventor: James
... Spark plug with a ground electrode concentrically disposed to a central ...
US Pat. 5430346 - Filed Nov 9, 1993 - Ultra Performance International, Inc.
[22] Filed: Nov. 9, Related US Application Data [63] Continuation-in-part of Ser
. No. 20099, Feb.,, Pat. No. 5280214, which is a continuation of Ser. No. ... [APPLICATION] Higher-performance spark plug and ramrod engine ignition system using piezo ...
US Pat. 10810565 - Filed Mar 29, 2004
5280214 is Australia Patent Number AU-B-75309/91 to Johnson (1993), ... [0020]
Another reference is the Canada Patent Number 5280214 issued 26 Dec. ... Ignition plug
US Pat. 5408961 - Filed Aug 9, 1993 - Innovative Automative Technologies Int. Ltd.
... 9/ Kashiwara et al 313/ 5280214/ Johnson 313/ FOREIGN PATENT DOCUMENTS 99824
4/ ... Multi fire spark plug
US Pat. 5623179 - Filed Dec 4, 1995
5280214 discloses a spark plug which utilizes an annular ground electrode to
give increased spark between the ground electrode and the center electrode. ... Spark plug
US Pat. 6495948 - Filed Mar 2, 1999 - Pyrotek Enterprises, Inc.
... 5280214) where the ground electrode is shaped in a complimenting radius
centered on the same axis as the center electrode. ... Quick replacement spark plug assembly
US Pat. 6152095 - Filed Oct 7, 1999 - Quik-Change Int'l., L.L.C.
... C 5280214/ Johnson 313/ ... Spark plug with center electrode and surrounding ground electrode
US Pat. 6583539 - Filed Aug 23, 2000
... holes formed in the plate to improve the plug durability and retard any
discharge voltage increases. Johnson, US Pat. No. 5280214 and Smith, US Pat. No.
... Method of manufacturing a spark plug with ground electrode concentrically ...
US Pat. 6080029 - Filed Aug 5, 1999 - Halo, Inc.
... not having a platinum firing tip and have a service life of up to miles.
Improvements on the design of the ground electrode include US Pat. Nos. 5280214
... Quick replacement igniter assembly
US Pat. 6363898 - Filed Jul 12, 2000 - Quik-Change International, LLC
... A 3/ 5280214 A/ ...  Stay up to date on these results using the patents RSS feed on 5,280,214.
| 
