Glow plug
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 8, 2018
Issued Date -
N/A
app pub date -
Nov 25, 2009
filing date -
Nov 27, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a glow plug comprising a housing, a ceramic pencil-type glow element which projects from the housing with a first end and is arranged inside the housing with a second end, a feed line which is arranged in the housing and leads to the pencil-type glow element, and a sleeve-type element which surrounds a section of the pencil-type glow element projecting from the housing. The invention is characterized in that the pencil-type glow element has a section surrounded by the housing which section tapers towards the second end, the pencil-type glow element is encircled by a contact element in the housing, which contact element has a section that narrows towards the second end of the pencil-type glow element, said narrowing section encircling at least a subsection of the tapered section of the pencil-type glow element. The invention further relates to a method for producing said glow plug.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2009 Application Filing Year
- F23Q Class
- 81 Applications Filed
- 45 Patents Issued To-Date
- 55.56 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F23Q Class
- 43.82 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 8, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 8, 2029 |
