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Patent applications and USPTO patent grants for Richards; Ray S..The latest application filed is for "method and apparatus for waste vitrification".
Patent | Date |
---|---|
Method and apparatus for waste vitrification Grant 7,120,185 - Richards October 10, 2 | 2006-10-10 |
Method for waste vitrification Grant 7,108,808 - Richards September 19, 2 | 2006-09-19 |
Method for producing mineral fibers having gaseous occlusions Grant 5,529,594 - Wetmore , et al. June 25, 1 | 1996-06-25 |
High shear mixer and glass melting method Grant 5,364,426 - Richards November 15, 1 | 1994-11-15 |
Hazardous waste melter Grant 5,319,669 - Cox , et al. June 7, 1 | 1994-06-07 |
High shear mixer and glass melting apparatus and method Grant 5,273,567 - Richards December 28, 1 | 1993-12-28 |
High shear mixer and glass melting apparatus Grant 5,120,342 - Richards June 9, 1 | 1992-06-09 |
Method for recycling scrap mineral fibers Grant 5,100,453 - Richards March 31, 1 | 1992-03-31 |
Method of sealing glass furnaces to prevent air leakage Grant 4,487,621 - Richards December 11, 1 | 1984-12-11 |
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