Rotary internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11085298
SERIAL NO

17111143

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An internal combustion engine includes one or more pairs of non-meshing, externally timed rotors disposed within a housing in an expander module and a compressor module. Each rotor includes a cylindrical, center main body including a first end, a second end opposite the first end, an elongate portion extending between the ends and a first peripheral surface portion and a second peripheral surface portion and a bore extending through a center of the main body from the first end to the to second end. The rotors each have a groove extending along outer peripheral edge portions of the rotor. A pair of tip seals is disposed in the grooves. A pair of apex seals is disposed on the first peripheral surface portion and the second peripheral surface portion and an axially floating end plate is disposed at an end of the housing.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
MARLIN ROTARY PISTON ENGINE LLC5409 HUNT CAMP ROAD ROANOKE VA 24018

International Classification(s)

loading....
  • 2020 Application Filing Year
  • F04C Class
  • 426 Applications Filed
  • 308 Patents Issued To-Date
  • 72.31 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Thompson, Marlin Harold Boones Mill, US 3 5

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • F04C Class
  • 0 % this patent is cited more than
  • 4 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1615001 - 100102030405060708090100110120130140150160170

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 Feb 10, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Feb 10, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 10, 2033