Sliding element for use in internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 12, 2017
Issued Date -
N/A
app pub date -
Feb 15, 2013
filing date -
Feb 16, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sliding element for use in an internal combustion engine may include a ferrous base having a peripheral sliding surface covered by a protective surface layer, the protective surface layer including at least one nitride applied via at least one of physical vapour deposition and a nitrided layer. The peripheral sliding surface may have a diamond like carbon (DLC) coating disposed thereon. The coating may include at least one of (a) one or more transition layers composed of WC1-x and (b) an adhesive layer of metallic chromium with a crystal structure. The coating may include an intermediate layer of metal DLC, the metal may be tungsten in a multilayer structure of a-C:H:W and a-C:H, and an outer layer of metal-free DLC.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- C23C Class
- 2155 Applications Filed
- 1819 Patents Issued To-Date
- 84.41 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- C23C Class
- 27.20 % this patent is cited more than
- 8 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 | Mar 12, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 12, 2029 |
