Hri
Records under this name other than patents Hri holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,978,199 | Recovering carbon black from waste rubber Term ended Term ended no later than Aug 31, 1996 · Low confidence | Term ended | Term ended no later than Aug 31, 1996 | Low confidence |
| US 4,151,073 | Process for phase separation Formerly held Term ended Term ended no later than Apr 24, 1999 · Low confidence | Term ended | Term ended no later than Apr 24, 1999 | Low confidence |
| US 4,217,201 | Integrated coal cleaning, liquefaction, and gasification process Formerly held Term ended Term ended no later than Aug 12, 2000 · Low confidence | Term ended | Term ended no later than Aug 12, 2000 | Low confidence |
| US 4,221,653 | Catalytic hydrogenation process and apparatus with improved vapor liquid separation Formerly held Term ended Term ended no later than Sep 9, 2000 · Low confidence | Term ended | Term ended no later than Sep 9, 2000 | Low confidence |
| US 4,249,909 | Drying and passivating wet coals and lignite Formerly held Term ended Term ended no later than Feb 10, 2001 · Low confidence | Term ended | Term ended no later than Feb 10, 2001 | Low confidence |
| US 4,249,911 | Combustible fuel composition Formerly held Term ended Term ended no later than Feb 10, 2001 · Low confidence | Term ended | Term ended no later than Feb 10, 2001 | Low confidence |
| US 4,256,476 | Low temperature process for the recovery of ethane from thermal hydrocracking vent gases Formerly held Term ended Term ended no later than Mar 17, 2001 · Low confidence | Term ended | Term ended no later than Mar 17, 2001 | Low confidence |
| US 4,287,088 | Multi-stage fluidization and segregation of used catalyst fractions Formerly held Term ended Term ended no later than Sep 1, 2001 · Low confidence | Term ended | Term ended no later than Sep 1, 2001 | Low confidence |
| US 4,309,269 | Coal-oil slurry pipeline process Formerly held Term ended Term ended no later than Jan 5, 2002 · Low confidence | Term ended | Term ended no later than Jan 5, 2002 | Low confidence |
| US 4,315,824 | Filtration of coal-derived liquids containing particulate solids Formerly held Term ended Term ended no later than Feb 16, 2002 · Low confidence | Term ended | Term ended no later than Feb 16, 2002 | Low confidence |