Ess Tech, Inc.
Records under this name other than the patents Ess Tech, 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 109 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,439,197 | Internally manifolded flow cell for an all-iron hybrid flow battery Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,685,651 | Internally Manifolded Flow Cell for an All-Iron Hybrid Flow Battery Formerly held In force · High confidence | In force | High confidence | |
| US 7,330,138 | Asynchronous sample rate correction by time domain interpolation Term ended Term ended Jun 30, 2026 · From the USPTO record | Term ended | Term ended Jun 30, 2026 | From the USPTO record |
| US 7,495,274 | Method and Apparatus for Controlling Charge Transfer in CMOS Sensors with a Graded Transfer-Gate Work-Function Term ended Term ended Jan 1, 2026 · High confidence | Term ended | Term ended Jan 1, 2026 | High confidence |
| US 7,323,671 | Method and Apparatus for Varying a CMOS Sensor Control Voltage Term ended Term ended Jun 6, 2025 · High confidence | Term ended | Term ended Jun 6, 2025 | High confidence |
| US 7,170,555 | Cross-Talk Adjustment in Electronic Imaging Devices Term ended Term ended May 20, 2025 · High confidence | Term ended | Term ended May 20, 2025 | High confidence |
| US 7,028,070 | High speed filter Term ended Term ended Nov 26, 2023 · From the USPTO record | Term ended | Term ended Nov 26, 2023 | From the USPTO record |
| US 6,911,640 | Reducing Reset Noise in CMOS Image Sensors Term ended Term ended Nov 19, 2023 · High confidence | Term ended | Term ended Nov 19, 2023 | High confidence |
| US 8,059,174 | CMOS imager system with interleaved readout for providing an image with increased dynamic range Lapsed on the fee record Ended Nov 15, 2023 · From the USPTO record | Lapsed on the fee record | Ended Nov 15, 2023 | From the USPTO record |
| US 7,127,121 | Efficient Implementation of a Noise Removal Filter Term ended Term ended Oct 25, 2023 · High confidence | Term ended | Term ended Oct 25, 2023 | High confidence |