Marwal Systems
Records under this name other than patents Marwal Systems holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,783,329 | A Regulating Jet Pump with Two Fluids Seals, One Opening at an Intermediate Inlet Pressure and the Other Opening at a Higher Inlet Pressure for Increased Flow Through the Pump Term ended Term ended Feb 17, 2023 · High confidence | Term ended | Term ended Feb 17, 2023 | High confidence |
| US 6,843,510 | System for Coupling a Fuel Feed Hose with the Opening of Equipment for Filling a Motor Vehicle Tank Term ended Term ended Jul 30, 2022 · High confidence | Term ended | Term ended Jul 30, 2022 | High confidence |
| US 6,588,269 | Piezoelectric device for measuring liquid level Term ended Term ended Sep 26, 2021 · From the USPTO record | Term ended | Term ended Sep 26, 2021 | From the USPTO record |
| US 6,502,558 | Assembly for transferring fuel from a motor vehicle tank Term ended Term ended Nov 22, 2020 · From the USPTO record | Term ended | Term ended Nov 22, 2020 | From the USPTO record |
| US 6,328,063 | Fuel drawing device for motor vehicle tank Term ended Term ended Jan 3, 2020 · From the USPTO record | Term ended | Term ended Jan 3, 2020 | From the USPTO record |
| US 6,589,419 | Filtering Means for Fuel Drawing Assembly Term ended Term ended Nov 4, 2019 · High confidence | Term ended | Term ended Nov 4, 2019 | High confidence |
| US 6,123,511 | Fuel supplying apparatus for drawing off fuel for a motor vehicle tank having a jet pump deflector for priming Term ended Term ended Mar 25, 2019 · From the USPTO record | Term ended | Term ended Mar 25, 2019 | From the USPTO record |
| US 6,305,220 | Fuel gauging system for a motor vehicle fuel tank Term ended Term ended Mar 25, 2018 · From the USPTO record | Term ended | Term ended Mar 25, 2018 | From the USPTO record |
| US 6,786,090 | Depth Gauge Lapsed on the fee record Ended Sep 7, 2016 · High confidence | Lapsed on the fee record | Ended Sep 7, 2016 | High confidence |
| US 7,290,992 | Suspension Device for an Electric Pump Lapsed on the fee record Ended Nov 6, 2015 · High confidence | Lapsed on the fee record | Ended Nov 6, 2015 | High confidence |