Stokes, Rufus
1922-1986 · Contribution: 1968-1970
Industrial & Mechanical
Invented the “Clean Air Machine,” a self-taught engineer's air-purification device that reduced gas and ash emissions from industrial furnace and power-plant smokestacks, patented in 1968 and improved in 1970

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Quick facts
- Born
- 1922-1986
- Active since
- 1968-1970
- Category
- Industrial & Mechanical
Impact on the world
Stokes tackled industrial air pollution decades before it became a national priority, inventing a compact emissions-control device that worked where bulkier systems could not.
An alternative history
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Sources
- Primary recordOpen
Google Patents (US 3,378,241 & US 3,520,113)
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