Piston of an internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9464593
APP PUB NO 20150101560A1
SERIAL NO

14391390

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A piston of an internal combustion engine is disclosed. The piston may have a piston skirt having a central axis. The piston may also have a piston crown delimiting the piston skirt with a diameter D adjacent a top of the piston skirt. The piston crown may have an edge of the piston crown of width b and a piston crown recess of depth t. The piston crown recess may have a piston recess wall with an opening cross section of diameter d. At least one groove with an internal diameter dn may be provided within the edge of the piston crown. The at least one groove may run in a circumferential direction relative to the central axis. The internal diameter dn may be larger than the diameter d.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CATERPILLAR ENERGY SOLUTIONS GMBH68167 MANNHEIM

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Böwing, Robert Innsbruck, AT 6 35
Drehobl, Enrico Reilingen, DE 7 38
Drexel, Christian Lambsheim, DE 4 28
Rapp, Manfred Ubstadt-Weiher, DE 7 57

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 11, 2028
Fee Large entity fee small entity fee micro entity fee
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