Otto Engineering, Inc.
Records under this name other than the patents Otto Engineering, 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 11 patents it holds.
Back to Otto Engineering, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,340,961 | Flushing system for pressurized toilet Lapsed on the fee record Ended May 17, 2020 · From the USPTO record | Lapsed on the fee record | Ended May 17, 2020 | From the USPTO record |
| US 6,920,228 | Lightweight headset for high noise environments Lapsed on the fee record Ended Jul 19, 2013 · From the USPTO record | Lapsed on the fee record | Ended Jul 19, 2013 | From the USPTO record |
| US 3,995,365 | Method of forming electrical contacts Term ended Term ended no later than Dec 7, 1996 · Low confidence | Term ended | Term ended no later than Dec 7, 1996 | Low confidence |
| US 4,145,590 | Actuation for sequentially operating plural switches Term ended Term ended no later than Mar 20, 1999 · Low confidence | Term ended | Term ended no later than Mar 20, 1999 | Low confidence |
| US 4,215,257 | Precision toggle switch Term ended Term ended no later than Jul 29, 2000 · Low confidence | Term ended | Term ended no later than Jul 29, 2000 | Low confidence |
| US 4,308,434 | Multiposition electrical switch Term ended Term ended no later than Dec 29, 2001 · Low confidence | Term ended | Term ended no later than Dec 29, 2001 | Low confidence |
| US 4,403,764 | Method and apparatus for controlling flow of work materials Formerly held Term ended Term ended no later than Sep 13, 2003 · Low confidence | Term ended | Term ended no later than Sep 13, 2003 | Low confidence |
| US 4,432,470 | Multicomponent liquid mixing and dispensing assembly Formerly held Term ended Term ended no later than Feb 21, 2004 · Low confidence | Term ended | Term ended no later than Feb 21, 2004 | Low confidence |
| US 4,758,692 | Joystick type control device Term ended Term ended no later than Jul 19, 2008 · Low confidence | Term ended | Term ended no later than Jul 19, 2008 | Low confidence |
| US 4,762,972 | Enclosed externally actuated switch assembly Term ended Term ended no later than Aug 9, 2008 · Low confidence | Term ended | Term ended no later than Aug 9, 2008 | Low confidence |