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May 30, 2019

Sharrow Engineering Granted Additional Patent in South Korea for High Efficiency Propellor Design

For Immediate Release


Sharrow Engineering Granted Additional Patent in South Korea for High Efficiency Propeller Design

The SHARROW PROPELLER™ design, which increases efficiency 9-15 percent, now has 21 patents

Philadelphia, PA – May 31, 2019 – With a new patent granted in South Korea, Sharrow Engineering now has a total of 21 patents to protect embodiments of the unique SHARROW PROPELLER™.

Patents have been granted in the following jurisdictions:

  • South Korea
  • Canada
  • Japan
  • Taiwan
  • United States
  • European Patent with effect for:
    • United Kingdom
    • Denmark
    • Finland
    • France
    • Germany
    • Greece
    • Italy
    • Netherlands
    • Norway
    • Poland
    • Spain
    • Sweden
    • Switzerland
    • Turkey

Patent applications are currently still pending in several other countries. 

Over the past 7 years, Sharrow Engineering has analyzed extensive testing data for the performance of its propeller collected at the University of Michigan’s Marine Hydrodynamics Laboratory and implemented a rigorous in-water test program using manned vessels in lakes, rivers, and bays. Results from this comprehensive research program demonstrate that the SHARROW PROPELLER™ is 9%-15% more efficient than the industry standard Wageningen B-series design. Industry experts have traditionally evaluated gains of 1 percent efficiency as meaningful.



Founded in 2012, Sharrow Engineering LLC is a nautical and aeronautical engineering company that is dedicated to the research and development of revolutionary high performance propulsion technologies for the maritime and aeronautical industries. Company offices are headquartered in Philadelphia, with additional offices in Detroit MI. Sharrow Engineering LLC has assembled a team of the world’s top aeronautical, nautical, aerospace, and mechanical engineers to assist with the company’s core mission to reinvent the methodologies and technologies used for propulsion in the 21st century.