Filtronic PLC
Records under this name other than patents Filtronic PLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,994,965 | Surveillance apparatus and method Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 7,956,706 | Multiband filter having comb-line and ceramic resonators with different pass-bands propagating in different modes Term ended Term ended Sep 5, 2026 · From the USPTO record | Term ended | Term ended Sep 5, 2026 | From the USPTO record |
| US 7,750,619 | Method and apparatus for measuring the frequency of a received signal Formerly held Term ended Term ended Aug 18, 2026 · From the USPTO record | Term ended | Term ended Aug 18, 2026 | From the USPTO record |
| US 7,639,077 | Method and apparatus for pre-conditioning an electrical signal Term ended Term ended Dec 23, 2025 · From the USPTO record | Term ended | Term ended Dec 23, 2025 | From the USPTO record |
| US 7,301,395 | Doherty amplifier Term ended Term ended Mar 11, 2025 · From the USPTO record | Term ended | Term ended Mar 11, 2025 | From the USPTO record |
| US 7,555,174 | Coplanar Waveguide Line Formerly held Term ended Term ended Oct 27, 2024 · High confidence | Term ended | Term ended Oct 27, 2024 | High confidence |
| US 7,330,704 | Electrical signal pre-conditioning Term ended Term ended Jun 4, 2023 · From the USPTO record | Term ended | Term ended Jun 4, 2023 | From the USPTO record |
| US 6,549,089 | Microstrip directional coupler loaded by a pair of inductive stubs Term ended Term ended Jul 13, 2021 · From the USPTO record | Term ended | Term ended Jul 13, 2021 | From the USPTO record |
| US 7,538,365 | Field effect transistor with aluminum and phosphorus etch stop layer Lapsed on the fee record Ended May 26, 2021 · From the USPTO record | Lapsed on the fee record | Ended May 26, 2021 | From the USPTO record |
| US 8,244,076 | Tuneable Electro-Optic Modulator Formerly held Lapsed on the fee record Ended Aug 14, 2020 · High confidence | Lapsed on the fee record | Ended Aug 14, 2020 | High confidence |