Opposed-piston cylinder bore constructions with solid lubrication in the top ring reversal zones

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8851029
APP PUB NO 20130199503A1
SERIAL NO

13385127

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A cylinder for an opposed-piston engine is equipped with a cylinder bore that provides solid lubrication of bore/piston surface interfaces in top ring reversal zones of the cylinder bore.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ACHATES POWER INC4060 SORRENTO VALLEY BLVD SAN DIEGO CA 92121

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Callahan, Brian J San Diego, US 8 139
Dion, Eric P Encinitas, US 20 242
McCormick, Harold E Ballwin, US 6 67

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 7, 2026
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