Applied Physics Systems
Records under this name other than the patents Applied Physics Systems 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 3 patents it holds.
Showing 1 to 5 of 5 · Back to Applied Physics Systems
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,801,136 | Method of reducing noise in a borehole electromagnetic telemetry system Formerly held Term ended Term ended Oct 16, 2021 · From the USPTO record | Term ended | Term ended Oct 16, 2021 | From the USPTO record |
| US 6,586,937 | Magnetic signature detector for detection of magnetic buried targets Formerly held Term ended Term ended Aug 30, 2021 · From the USPTO record | Term ended | Term ended Aug 30, 2021 | From the USPTO record |
| US 6,249,259 | Downhole magnetic dipole antenna Formerly held Term ended Term ended Sep 30, 2019 · From the USPTO record | Term ended | Term ended Sep 30, 2019 | From the USPTO record |
| US 6,876,708 | Method and apparatus for demodulation of phase shift keyed signals Formerly held Lapsed on the fee record Ended Apr 5, 2017 · From the USPTO record | Lapsed on the fee record | Ended Apr 5, 2017 | From the USPTO record |
| US 6,556,054 | Efficient transmitters for phase modulated signals Formerly held Lapsed on the fee record Ended Apr 29, 2015 · From the USPTO record | Lapsed on the fee record | Ended Apr 29, 2015 | From the USPTO record |