Rotomaster Inc.
Records under this name other than patents Rotomaster Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 7 of 7 · Back to Rotomaster Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,027,994 | Partially divided turbine housing for turbochargers and the like Term ended Term ended no later than Jun 7, 1997 · Low confidence | Term ended | Term ended no later than Jun 7, 1997 | Low confidence |
| US 4,474,484 | Semi-floating bearing Term ended Term ended no later than Oct 2, 2004 · Low confidence | Term ended | Term ended no later than Oct 2, 2004 | Low confidence |
| US 4,504,187 | Turbocharger method of operation and turbine housing therefor Term ended Term ended no later than Mar 12, 2005 · Low confidence | Term ended | Term ended no later than Mar 12, 2005 | Low confidence |
| US 4,530,640 | Method and apparatus for wastegating turbocharged engine with divided exhaust system Term ended Term ended no later than Jul 23, 2005 · Low confidence | Term ended | Term ended no later than Jul 23, 2005 | Low confidence |
| US 4,704,075 | Turbocharger water-cooled bearing housing Term ended Term ended no later than Nov 3, 2007 · Low confidence | Term ended | Term ended no later than Nov 3, 2007 | Low confidence |
| US 4,815,184 | Method of fabricating a turbocharger water-cooled bearing housing Term ended Term ended no later than Mar 28, 2009 · Low confidence | Term ended | Term ended no later than Mar 28, 2009 | Low confidence |
| US D259,507 | Tubocharger by-pass valve Term ended | Term ended |