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March 21, 2019

Sharrow Engineering Granted Additional Patents for High Efficiency Propeller Design

For Immediate Release

Contact: Zach Hunt


Sharrow Engineering Granted Additional Patents for High Efficiency Propeller Design

The Sharrow Propeller design that increases efficiency 9-15 percent now has 20 patents

Philadelphia, PA – March 21, 2019 – With new patents granted in Taiwan, Sharrow Engineering now has a total of 20 patents to protect embodiments of the unique SHARROW PROPELLER™.

Patents have been granted in the following jurisdictions:

  • Canada
  • United Kingdom
  • Japan
  • Taiwan
  • United States
  • European Patent with effect for:
    • 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 6 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.

About Sharrow |

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.