Inventor · disambiguated record
Gerd Gaiser
Also filed as: GAISER GERD
42 granted patents·12 pending applications·302 citations·filing 1993–2025
97Inventor score
Files withEBERSPAECHER EXHAUST TECH GMBH15Purem GmbH15GAISER GERD12EBERSPAECHER J GMBH & CO7EBERSPÄCHER EXHAUST TECH GMBH & CO KG2
Top patents by PatentIndex Score
54 records- 0198US8006487B2Exhaust system for an internal combustion engineEBERSPAECHER J GMBH & CO·Filed 2007·Granted Aug 30, 2011·41 cites·16 claims
- 0297US7168241B2Device for introducing fuel into an exhaust lineEBERSPAECHER J GMBH & CO·Filed 2005·Granted Jan 30, 2007·69 cites·9 claims
- 0395US7673447B2Exhaust system for an internal combustion engine and a respective operating methodEBERSPAECHER J GMBH & CO·Filed 2005·Granted Mar 9, 2010·26 cites·13 claims
- 0494US11008912B2Exhaust gas heating elementEBERSPAECHER EXHAUST TECH GMBH·Filed 2020·Granted May 18, 2021·3 cites·22 claims
- 0588US10465587B2Muffler for an exhaust system of an internal combustion engine, especially for motor vehicles with hybrid driveEBERSPAECHER EXHAUST TECH GMBH·Filed 2017·Granted Nov 5, 2019·4 cites·20 claims
- 0684US9005533B2PCM device and catalytic converterGAISER GERD·Filed 2012·Granted Apr 14, 2015·6 cites·15 claims
- 0778US9982570B2Stacked plate evaporatorGAISER GERD·Filed 2012·Granted May 29, 2018·2 cites·20 claims
- 0876US8776865B2Latent heat storage deviceGAISER GERD·Filed 2010·Granted Jul 15, 2014·3 cites·13 claims
- 0976US5700434AReactor for catalytically processing gaseous fluidsFiled 1993·Granted Dec 23, 1997·36 cites·8 claims
- 1076US2025046840A1Vehicle with a fuel cell system and method for operating a fuel cell system in a vehiclePurem GmbH·Filed 2024·Application pending·0 cites
- 1175US10077696B2Exhaust system with reactive heating systemGAISER GERD·Filed 2011·Granted Sep 18, 2018·2 cites·5 claims
- 1275US8783414B2Exhaust systemGAISER GERD·Filed 2011·Granted Jul 22, 2014·3 cites·20 claims
- 1375US5846494AReactor for catalytically processing gaseous fluidsFiled 1997·Granted Dec 8, 1998·36 cites·13 claims
- 1475US2024356052A1Fuel cell exhaust gas system, and method for operating a fuel cell systemPurem GmbH·Filed 2024·Application pending·0 cites
- 1575US2024405237A1Fuel cell system and method of operating a fuel cell systemPurem GmbH·Filed 2024·Application pending·0 cites
- 1674US9239001B2Heat exchangerEBERSPAECHER EXHAUST TECH GMBH·Filed 2013·Granted Jan 19, 2016·6 cites·20 claims
- 1773US9954157B2Thermoelectric generator for exhaust systems and contact member for a thermoelectric generatorEBERSPAECHER EXHAUST TECH GMBH·Filed 2017·Granted Apr 24, 2018·2 cites·20 claims
- 1872US2024055628A1Fuel Cell Exhaust Gas SystemPurem GmbH·Filed 2023·Application pending·0 cites
- 1971US9494367B2Finned tube heat transfer deviceGAISER GERD·Filed 2012·Granted Nov 15, 2016·1 cites·19 claims
- 2071US7404290B2Exhaust system for an internal combustion engineEBERSPAECHER J GMBH & CO·Filed 2005·Granted Jul 29, 2008·6 cites·12 claims
- 2171US6187273B1Reactor for catalytically processing gaseous fluidsFiled 1998·Granted Feb 13, 2001·29 cites·4 claims
- 2271US2025316727A1Fuel cell system and method for operating a fuel cell systemPurem GmbH·Filed 2025·Application pending·0 cites
- 2370US2024266563A1Fuel cell exhaust-gas systemPurem GmbH·Filed 2024·Application pending·0 cites
- 2467US2024405238A1Fuel cell system and method of operating a fuel cell systemPurem GmbH·Filed 2024·Application pending·0 cites
- 2566US10502111B2Exhaust system for an internal combustion engine and method for operating an exhaust systemEBERSPAECHER EXHAUST TECH GMBH·Filed 2017·Granted Dec 10, 2019·1 cites·9 claims
- 2665US12215614B2Exhaust gas system for a hydrogen combustion enginePurem GmbH·Filed 2023·Granted Feb 4, 2025·0 cites·17 claims
- 2765US2025253359A1Fuel cell exhaust gas systemPurem GmbH·Filed 2025·Application pending·0 cites
- 2864US9709351B2Heat exchangerEBERSPÄCHER EXHAUST TECH GMBH & CO KG·Filed 2013·Granted Jul 18, 2017·2 cites·16 claims
- 2963US11572817B2Exhaust gas heating arrangementPurem GmbH·Filed 2021·Granted Feb 7, 2023·0 cites·19 claims
- 3060US8695569B2Vehicle burnerGAISER GERD·Filed 2009·Granted Apr 15, 2014·2 cites·20 claims
- 3158US10815857B2Mixing deviceEBERSPAECHER EXHAUST TECH GMBH·Filed 2018·Granted Oct 27, 2020·0 cites·30 claims
- 3257US10281048B2Three-way flap valve with curved valve flapEBERSPAECHER EXHAUST TECH GMBH·Filed 2016·Granted May 7, 2019·1 cites·20 claims
- 3355US10156172B2Device for release of reactant into the exhaust gas stream of an internal combustion engineEBERSPAECHER EXHAUST TECH GMBH·Filed 2016·Granted Dec 18, 2018·0 cites·22 claims
- 3454US11781459B2Heating unit for an exhaust-gas system of an internal combustion enginePurem GmbH·Filed 2022·Granted Oct 10, 2023·0 cites·22 claims
- 3553US12049839B2Exhaust gas heating unitPurem GmbH·Filed 2021·Granted Jul 30, 2024·0 cites·23 claims
- 3653US11698012B2Exhaust gas heating elementPurem GmbH·Filed 2020·Granted Jul 11, 2023·0 cites·12 claims
- 3753US8752369B2Latent heat storage catalyst for an exhaust system in an internal combustion engineGAISER GERD·Filed 2012·Granted Jun 17, 2014·0 cites·13 claims
- 3853US7150146B2Method of operating an exhaust gas treatment system for an internal combustion engineEBERSPAECHER J GMBH & CO·Filed 2004·Granted Dec 19, 2006·6 cites·1 claims
- 3952US7468166B2Exhaust gas cleaning apparatusEBERSPAECHER J GMBH & CO·Filed 2004·Granted Dec 23, 2008·10 cites·36 claims
- 4052US2025198318A1Catalytic heater for an exhaust gas system of an internal combustion engine, exhaust gas system and method of operating an exhaust gas systemPurem GmbH·Filed 2024·Application pending·0 cites
- 4151US2014305621A1Multiplate heat exchangerGAISER GERD·Filed 2012·Application pending·0 cites
- 4250US10422263B2Exhaust system for an internal combustion engineEBERSPAECHER EXHAUST TECH GMBH·Filed 2016·Granted Sep 24, 2019·0 cites·19 claims
- 4350US7216812B2Device for air conditioning a vehicleEBERSPAECHER J GMBH & CO·Filed 2004·Granted May 15, 2007·5 cites·6 claims
- 4449US9709350B2Heat exchangerEBERSPÄCHER EXHAUST TECH GMBH & CO KG·Filed 2013·Granted Jul 18, 2017·0 cites·21 claims
- 4547US10190460B2Device and method for release of reactant into the exhaust gas stream of an internal combustion engineEBERSPAECHER EXHAUST TECH GMBH·Filed 2016·Granted Jan 29, 2019·0 cites·24 claims
- 4646US9433906B2Mixing elementGAISER GERD·Filed 2012·Granted Sep 6, 2016·0 cites·18 claims
- 4745US12097752B2Heating system for a vehicle and process for heating a vehiclePurem GmbH·Filed 2019·Granted Sep 24, 2024·0 cites·10 claims
- 4845US11002169B2Process for manufacturing an exhaust system and exhaust systemEBERSPAECHER EXHAUST TECH GMBH·Filed 2018·Granted May 11, 2021·0 cites·14 claims
- 4945US9587550B2Exhaust systemGAISER GERD·Filed 2011·Granted Mar 7, 2017·0 cites·20 claims
- 5044US9046308B2Latent heat storage device and associated manufacturing methodGAISER GERD·Filed 2010·Granted Jun 2, 2015·0 cites·14 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →