Aphex Systems, Ltd.
Records under this name other than patents Aphex Systems, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,290,169 | Time shifted harmonics generator Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 6,266,423 | Microphone output limiter Formerly held Term ended Term ended Apr 15, 2018 · From the USPTO record | Term ended | Term ended Apr 15, 2018 | From the USPTO record |
| US 6,160,448 | Digitally-controlled low noise variable-gain amplifier Lapsed on the fee record Ended Dec 12, 2008 · From the USPTO record | Lapsed on the fee record | Ended Dec 12, 2008 | From the USPTO record |
| US 4,939,471 | Impulse detection circuit Term ended Term ended no later than Jul 3, 2010 · Low confidence | Term ended | Term ended no later than Jul 3, 2010 | Low confidence |
| US 5,115,471 | High frequency expander device Term ended Term ended no later than May 19, 2012 · Low confidence | Term ended | Term ended no later than May 19, 2012 | Low confidence |
| US 5,155,769 | Discrete parallel path modulation multiplexer Term ended Term ended no later than Oct 13, 2012 · Low confidence | Term ended | Term ended no later than Oct 13, 2012 | Low confidence |
| US 5,334,947 | Logic enhanced noise gate Formerly held Term ended Term ended no later than Aug 2, 2014 · Low confidence | Term ended | Term ended no later than Aug 2, 2014 | Low confidence |
| US 5,359,665 | Audio bass frequency enhancement Formerly held Term ended Term ended no later than Oct 25, 2014 · Low confidence | Term ended | Term ended no later than Oct 25, 2014 | Low confidence |
| US 5,422,602 | Frequency discriminate leveler Formerly held Term ended Term ended no later than Jun 6, 2015 · Low confidence | Term ended | Term ended no later than Jun 6, 2015 | Low confidence |
| US 5,424,488 | Transient discriminate harmonics generator Formerly held Term ended Term ended no later than Jun 13, 2015 · Low confidence | Term ended | Term ended no later than Jun 13, 2015 | Low confidence |