Inventor · disambiguated record
Joseph Gehret
Also filed as: GEHRET JOSEPH · GEHRET JOSEPH B · GEHRET JR JOSEPH B
10 granted patents·2 pending applications·59 citations·filing 1998–2022
85Inventor score
Top patents by PatentIndex Score
12 records- 0193US7239034B2Engine driven power inverter system with cogenerationTECOGEN INC·Filed 2005·Granted Jul 3, 2007·38 cites·19 claims
- 0276US8578704B2Assembly and method for reducing nitrogen oxides, carbon monoxide and hydrocarbons in exhausts of internal combustion enginesGEHRET JOSEPH B·Filed 2010·Granted Nov 12, 2013·5 cites·7 claims
- 0369US9702306B2Internal combustion engine controllerTECOGEN INC·Filed 2015·Granted Jul 11, 2017·1 cites·7 claims
- 0465US2019234284A1Assemblies and methods for reducing particulate matter, hydrocarbons, and gaseous oxides from internal combustion engine exhaustTECOGEN INC·Filed 2019·Application pending·0 cites
- 0562US9121326B2Assembly and method for reducing nitrogen oxides, carbon monoxide and hydrocarbons in exhausts of internal combustion enginesTECOGEN INC·Filed 2013·Granted Sep 1, 2015·1 cites·20 claims
- 0661US10774724B2Dual stage internal combustion engine aftertreatment system using exhaust gas intercooling and charger driven air ejectorTECOGEN INC·Filed 2017·Granted Sep 15, 2020·0 cites·17 claims
- 0761US7243017B2Method for controlling internal combustion engine emissionsTECOGEN INC·Filed 2006·Granted Jul 10, 2007·5 cites·8 claims
- 0861US2018230886A1Assemblies and methods for reducing particulate matter, hydrocarbons, and gaseous oxides from internal combustion engine exhaustTECOGEN INC·Filed 2018·Application pending·0 cites
- 0954US11936327B2Hybrid power system with electric generator and auxiliary power sourceTECOGEN INC·Filed 2022·Granted Mar 19, 2024·0 cites·15 claims
- 1045US9470126B2Assembly and method for reducing ammonia in exhaust of internal combustion enginesTECOGEN INC·Filed 2015·Granted Oct 18, 2016·0 cites·20 claims
- 1138US9631534B2Assembly and method for reducing nitrogen oxides, carbon monoxide, hydrocarbons and hydrogen gas in exhausts of internal combustion engines and producing an electrical outputROY JEAN·Filed 2012·Granted Apr 25, 2017·0 cites·4 claims
- 1236US6217689B1Apparatus and method for manufacturing packing materialNORCEN IND·Filed 1998·Granted Apr 17, 2001·9 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →