Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7833331 | Non-toxic corrosion-protection pigments based on cobalt | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2010-11-16 |
| 7789958 | Non-toxic corrosion-protection pigments based on manganese | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2010-09-07 |
| 7537663 | Corrosion-inhibiting coating | Andrew Wells Phelps | 2009-05-26 |
| 7422793 | Non-toxic corrosion-protection rinses and seals based on rare earth elements | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2008-09-09 |
| 7407711 | Non-toxic corrosion-protection conversion coats based on rare earth elements | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2008-08-05 |
| 7294211 | Non-toxic corrosion-protection conversion coats based on cobalt | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2007-11-13 |
| 7291217 | Non-toxic corrosion-protection pigments based on rare earth elements | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2007-11-06 |
| 7235142 | Non-toxic corrosion-protection rinses and seals based on cobalt | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2007-06-26 |
| 6833124 | Recovery process for wastes containing hexavalent chromium | Andrew Wells Phelps, Joseph Thomas Swartzbaugh | 2004-12-21 |
| 6818313 | Corrosion-inhibiting coating | Andrew Wells Phelps | 2004-11-16 |
| 6126719 | Recovery of group III element component from group III-V waste materials | Joseph Thomas Swartbaugh | 2000-10-03 |
| 5972073 | Recovery of the components of group III-V material aqueous wastes | Joseph Thomas Swartzbaugh | 1999-10-26 |