Small air-cooled engine assembly with dry sump lubrication system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9903241
SERIAL NO

15295294

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An engine assembly includes an engine, an external oil reservoir, a supply pump, and a return pump. The engine includes an oil gallery configured to distribute oil and a crankcase chamber. The external oil reservoir includes an oil tank defining an oil chamber and an oil filter assembly including a housing at least partially defining a filter chamber, and a filter positioned within the filter chamber. The supply pump is in fluid communication with the oil chamber and the oil gallery and the supply pump is configured to draw oil from the oil chamber and provide pressurized oil to the oil gallery. The return pump in fluid communication with the crankcase chamber and the filter chamber and the return pump is configured to draw oil from the crankcase chamber and provide pressurized oil to the filter chamber.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
BRIGGS & STRATTON LLC12301 WEST WIRTH STREET WAUWATOSA WI 53222

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Groh, Casey Shorewood, US 4 28
Hellman, Adam J Bayside, US 14 79
Johnson, Gary Hales Corners, US 72 1908
Kwiatkowski, Tim Muskego, US 4 24
Price, Robert Wauwatosa, US 90 953
Schneiker, John Muskego, US 9 68
Sullivan, Ryan West Bend, US 36 494

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 Aug 27, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 27, 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