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Year: 1890​
Who: Frank J. Ferrell​
Where: New York, NY​
What: Frank J. Ferrell was a Black inventor and skilled machinist who made significant contributions to the steam engine industry during the late 19th century. Born in New York City, Ferrell obtained 12 patents throughout his life, primarily focusing on improvements to valves for steam engines. One of his notable inventions, patented on February 11, 1890 (U.S. Patent No. 420,993), was a steam trap, a device designed to separate steam from water in industrial applications. This invention featured an innovative design using a float and valve system to efficiently release water while preventing the loss of valuable steam, optimizing the performance of steam engines.
Ferrell's steam trap was an essential advancement for industrial steam systems, contributing to both energy efficiency and the reliability of equipment. His inventions laid the foundation for his successful manufacturing company, which produced steam traps and other related equipment in New York City.
In addition to his inventive work, Ferrell was deeply involved in labor movements and was an active delegate and organizer for the Knights of Labor, one of the earliest national labor unions. His legacy not only includes his technological innovations but also his advocacy for workers' rights during a time of significant industrial and social change.
Sources:
Websites:
Google Patents. (n.d.). Patent US420993A - Invention by an African American Innovator. https://patents.google.com/patent/US420993A/en
MIT Press. (n.d.). 300 Years of African American Invention and Innovation. https://thereader.mitpress.mit.edu/300-years-of-african-american-invention-and-innovation/#easy-footnote-25-7368
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