Liquidpiston, Inc.
Records under this name other than the patents Liquidpiston, 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 19 patents it holds.
Showing 1 to 10 of 10 · Back to Liquidpiston, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,794,211 | Hybrid Cycle Combustion Engine and Methods Term ended Term ended Jan 12, 2025 · High confidence | Term ended | Term ended Jan 12, 2025 | High confidence |
| US 9,523,310 | Hybrid Cycle Combustion Engine and Methods Term ended Term ended Jan 12, 2025 · High confidence | Term ended | Term ended Jan 12, 2025 | High confidence |
| US 10,253,686 | Hybrid Cycle Combustion Engine and Methods Term ended Term ended Jan 12, 2025 · High confidence | Term ended | Term ended Jan 12, 2025 | High confidence |
| US 7,191,738 | Liquid Piston Internal Combustion Power System Term ended Term ended Jul 19, 2023 · High confidence | Term ended | Term ended Jul 19, 2023 | High confidence |
| 13/085,204 | Internal Combustion Engine and Components Therefor Abandoned Abandoned Jun 12, 2016 | Abandoned | Abandoned Jun 12, 2016 | |
| 16/082,122 | Piston Ring for Reduction of Crevice Volume Abandoned Abandoned Apr 6, 2021 | Abandoned | Abandoned Apr 6, 2021 | |
| 17/129,257 | Combination Piston and Piston Ring for Reducing Crevice Volume Abandoned Abandoned Jan 20, 2023 | Abandoned | Abandoned Jan 20, 2023 | |
| 18/480,062 | Combination Piston and Piston Ring for Reduction of Crevice Volume Abandoned Abandoned Feb 21, 2025 | Abandoned | Abandoned Feb 21, 2025 | |
| 19/102,038 | Rotary Engine with Axially Symmetric Ring Gears Pending Term is not computable until grant, so no date is shown and no estimate is implied. | Pending | Term is not computable until grant, so no date is shown and no estimate is implied. | |
| 19/660,969 | Mobile Engine-Generator Vehicle Pending Term is not computable until grant, so no date is shown and no estimate is implied. | Pending | Term is not computable until grant, so no date is shown and no estimate is implied. |