Flint & Walling, Inc.
Records under this name other than the patents Flint & Walling, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 2 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,997,215 | Gravity bed trailer Formerly held Term ended Term ended no later than Dec 14, 1996 · Low confidence | Term ended | Term ended no later than Dec 14, 1996 | Low confidence |
| US 4,335,828 | Refuse container lid system Formerly held Term ended Term ended no later than Jun 22, 2002 · Low confidence | Term ended | Term ended no later than Jun 22, 2002 | Low confidence |
| US 4,373,849 | Refuse container lift pocket Formerly held Term ended Term ended no later than Feb 15, 2003 · Low confidence | Term ended | Term ended no later than Feb 15, 2003 | Low confidence |
| US 4,396,353 | Submersible sump pump Term ended Term ended no later than Aug 2, 2003 · Low confidence | Term ended | Term ended no later than Aug 2, 2003 | Low confidence |
| US 4,608,862 | Spline checking fixture Term ended Term ended no later than Sep 2, 2006 · Low confidence | Term ended | Term ended no later than Sep 2, 2006 | Low confidence |
| US 4,810,174 | Motor and pump assembly Term ended Term ended no later than Mar 7, 2009 · Low confidence | Term ended | Term ended no later than Mar 7, 2009 | Low confidence |
| US 4,810,918 | Rotor shaft with corrosion resistant ferrule for pumps motor Formerly held Term ended Term ended no later than Mar 7, 2009 · Low confidence | Term ended | Term ended no later than Mar 7, 2009 | Low confidence |
| US 4,885,084 | Nozzle/venturi with pressure differentiating bypass Term ended Term ended no later than Dec 5, 2009 · Low confidence | Term ended | Term ended no later than Dec 5, 2009 | Low confidence |
| US 4,885,440 | Governor and motor assembly Term ended Term ended no later than Dec 5, 2009 · Low confidence | Term ended | Term ended no later than Dec 5, 2009 | Low confidence |
| US 4,923,367 | Submersible pump with plastic housing Formerly held Term ended Term ended no later than May 8, 2010 · Low confidence | Term ended | Term ended no later than May 8, 2010 | Low confidence |