Method of producing a rotationally oriented thread
US-2016303672-A1 · Oct 20, 2016 · US
Spark plug for internal combustion engine
US8970097B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8970097-B2 |
| Application number | US-201013138198-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 21, 2010 |
| Priority date | Jan 23, 2009 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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Abstract
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A spark plug for an internal combustion engine capable of ensuring sufficient gastightness of a combustion chamber and meeting demand for a reduction in diameter.
First claim
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The invention claimed is: 1. A spark plug for an internal combustion engine, comprising: a rod-like center electrode extending in a direction of an axis; a substantially cylindrical insulator provided externally of an outer circumference of the center electrode; a substantially cylindrical metallic shell provided externally of an outer circumference of the insulator; and a ground electrode extending from a front end portion of the metallic shell and defining, in cooperation…
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- H01T13/08Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8970097B2 cover?
- A spark plug for an internal combustion engine capable of ensuring sufficient gastightness of a combustion chamber and meeting demand for a reduction in diameter.
- Who is the assignee on this patent?
- Yamada Yuichi, Kuki Hiroaki, Kawachi Ryuma, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H01T13/08. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).