Sliding element for use in internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9759322
SERIAL NO

14379286

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

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.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
MAHLE INTERNATIONAL GMBHPRAGSTRASSE 26-46 STUTTGART 70736
MAHLE METAL LEVE S ARODOVIA ANHANGUERA SENTIDO INTERIOR - CAPITAL KM 49 7 JUNDIAI SP 13 210-877

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Araujo, Juliano A Jundiai, BR 2 22
Costa, Nuno Mealhada, PT 5 29

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

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
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00