Assignee
LIQUIDPISTON INC
US·18 granted patents·7 pending applications·165 citations·filing 2003–2024
Top patents by PatentIndex Score
25 records- 0197US9810068B2Rotary engine with cam-guided rotorLIQUIDPISTON INC·Filed 2016·Granted Nov 7, 2017·8 cites·17 claims
- 0295US7191738B2Liquid piston internal combustion power systemLIQUIDPISTON INC·Filed 2003·Granted Mar 20, 2007·70 cites·15 claims
- 0394US8863723B2Hybrid cycle rotary engineLIQUIDPISTON INC·Filed 2013·Granted Oct 21, 2014·9 cites·3 claims
- 0493US7909013B2Hybrid cycle rotary engineLIQUIDPISTON INC·Filed 2007·Granted Mar 22, 2011·20 cites·1 claims
- 0590US9523310B2Hybrid cycle combustion engine and methodsLIQUIDPISTON INC·Filed 2014·Granted Dec 20, 2016·4 cites·5 claims
- 0690US8365699B2Hybrid cycle rotary engineLIQUIDPISTON INC·Filed 2010·Granted Feb 5, 2013·19 cites·6 claims
- 0789US10196970B2Isochoric heat addition engines and methodsLIQUIDPISTON INC·Filed 2016·Granted Feb 5, 2019·3 cites·10 claims
- 0887US9382851B2Isochoric heat addition engines and methodsLIQUIDPISTON INC·Filed 2014·Granted Jul 5, 2016·3 cites·10 claims
- 0987US9353623B2Seal assembly for a heat engineLIQUIDPISTON INC·Filed 2013·Granted May 31, 2016·3 cites·15 claims
- 1085US9644570B2Hybrid cycle rotary engineLIQUIDPISTON INC·Filed 2014·Granted May 9, 2017·2 cites·11 claims
- 1185US2024077137A1Combination Piston and Piston Ring for Reduction of Crevice VolumeLIQUIDPISTON INC·Filed 2023·Application pending·0 cites
- 1284US10221690B2Rotary engine with intake and exhaust through rotor shaftLIQUIDPISTON INC·Filed 2017·Granted Mar 5, 2019·2 cites·12 claims
- 1384US10125675B2Internal combustion engineLIQUIDPISTON INC·Filed 2016·Granted Nov 13, 2018·2 cites·9 claims
- 1482US11773974B2Combination piston and piston ring for reducing crevice volumeLIQUIDPISTON INC·Filed 2022·Granted Oct 3, 2023·0 cites·3 claims
- 1582US9528435B2Air-cooled rotary engineLIQUIDPISTON INC·Filed 2014·Granted Dec 27, 2016·3 cites·15 claims
- 1682US8365698B2Hybrid cycle combustion engine and methodsLIQUIDPISTON INC·Filed 2005·Granted Feb 5, 2013·11 cites·5 claims
- 1781US8794211B2Hybrid cycle combustion engine and methodsLIQUIDPISTON INC·Filed 2013·Granted Aug 5, 2014·3 cites·5 claims
- 1880US11149547B2Seal assembly for an epitrochoidal rotary engineLIQUIDPISTON INC·Filed 2017·Granted Oct 19, 2021·3 cites·11 claims
- 1974US2021108722A1Combination Piston and Piston Ring for Reducing Crevice VolumeLIQUIDPISTON INC·Filed 2020·Application pending·0 cites
- 2064US10253686B2Hybrid cycle combustion engine and methodsLIQUIDPISTON INC·Filed 2016·Granted Apr 9, 2019·0 cites·7 claims
- 2160US2019093767A1Piston Ring for Reduction of Crevice VolumeLIQUIDPISTON INC·Filed 2017·Application pending·0 cites
- 2255US2024300681A1Mobile Engine-Generator VehicleLIQUIDPISTON INC·Filed 2024·Application pending·0 cites
- 2352US2026078674A1Two-Stroke Rotary Engine with Improved Inlet and Outlet PortsLIQUIDPISTON INC·Filed 2023·Application pending·0 cites
- 2442US2011247583A1Internal Combustion Engine and Components ThereforLIQUIDPISTON INC·Filed 2011·Application pending·0 cites
- 2540US2023294850A1Hybrid Drive and Fuel Vaporizer for UAV and Other Mobile EnvironmentsLIQUIDPISTON INC·Filed 2021·Application pending·0 cites
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