Anti-polish ring for an engine cylinder

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11920538
APP PUB NO 20230089302A1
SERIAL NO

18052441

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An anti-polish ring for an internal combustion engine is provided. The anti-polish ring includes an axially extending ring portion that is configured to scrape a top portion of a piston in a cylinder liner. The anti-polish ring is configured to accommodate passage of an intake or exhaust valve thereby. The anti-polish ring may include an alignment feature so that the anti-polish ring is inserted in a predetermined orientation in the cylinder. The anti-polish ring may include a heat shield and/or a seating member.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CUMMINS INC500 JACKSON STREET COLUMBUS IN 47201

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Antonevich, John M Bemus Point, US 4 22
Clark, Kent H Milford, US 10 89
Fox, Craig Daniel Leamington Spa, GB 1 0
Harries, Robert Daventry, GB 4 6
Irish, Reid M Stockton, US 6 27
Kehoe, Jamie Northhamptonshire, GB 1 0
Quanz, Peter Thomas Sherman, US 3 4
Ragon, Scott A Seymour, US 1 0
Summerfield, Owen Rothwell, GB 1 0
Townsend, Stephen G Daventry, GB 1 0

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
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 5, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 5, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 5, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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