Inventor · disambiguated record
Helerson Kemmer
Also filed as: KEMMER HELERSON
35 granted patents·29 pending applications·69 citations·filing 2005–2023
95Inventor score
Top patents by PatentIndex Score
64 records- 0184US7894973B2Method and device for operating an internal combustion engineBOSCH GMBH ROBERT·Filed 2009·Granted Feb 22, 2011·16 cites·8 claims
- 0283US10991962B2Intrinsically safe bleed-down circuit and control strategy for fuel cell systemsBOSCH GMBH ROBERT·Filed 2015·Granted Apr 27, 2021·2 cites·12 claims
- 0382US11473583B2Turbo compressor, in particular for a fuel cell systemBOSCH GMBH ROBERT·Filed 2018·Granted Oct 18, 2022·3 cites·18 claims
- 0478US11228045B2Distribution structure for providing at least one reaction gasBOSCH GMBH ROBERT·Filed 2018·Granted Jan 18, 2022·1 cites·16 claims
- 0578US7497206B2Method for operating an internal combustion engineBOSCH GMBH ROBERT·Filed 2005·Granted Mar 3, 2009·10 cites·9 claims
- 0677US12460653B2Method for operating a multi-stage air compression system, multi-stage air compression system, and fuel cell systemBOSCH GMBH ROBERT·Filed 2023·Granted Nov 4, 2025·0 cites·19 claims
- 0775US9026342B2Method and device for operating an internal combustion engineKEMMER HELERSON·Filed 2010·Granted May 5, 2015·4 cites·16 claims
- 0871US9470141B2Method for regulating a boost pressure of an engineBOSCH GMBH ROBERT·Filed 2013·Granted Oct 18, 2016·4 cites·12 claims
- 0970US9859578B2Fuel cell assembly and method for operating a fuel cell assemblyBOSCH GMBH ROBERT·Filed 2014·Granted Jan 2, 2018·1 cites·19 claims
- 1070US2025329758A1Fuel cell operating method for regenerating a cathode catalystBOSCH GMBH ROBERT·Filed 2023·Application pending·0 cites
- 1170US2025300208A1Method for remaining below a lower hydrogen explosion limit in an exhaust of a fuel cell unitBOSCH GMBH ROBERT·Filed 2023·Application pending·0 cites
- 1270US2025349869A1Method for operating a fuel cell system, and a control deviceBOSCH GMBH ROBERT·Filed 2023·Application pending·0 cites
- 1369US7360526B2Method for operating an internal combustion engineBOSCH GMBH ROBERT·Filed 2005·Granted Apr 22, 2008·6 cites·6 claims
- 1469US2025226428A1Method for operating a fuel cell systemBOSCH GMBH ROBERT·Filed 2023·Application pending·0 cites
- 1568US2025070194A1Method for operating a fuel cell device, and fuel cell deviceBOSCH GMBH ROBERT·Filed 2023·Application pending·0 cites
- 1668US2025038229A1Method for operating a fuel cell system, and fuel cell systemBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 1767US11721817B2Fuel cell, fuel cell stack and method of operating a fuel cell stackBOSCH GMBH ROBERT·Filed 2020·Granted Aug 8, 2023·0 cites·18 claims
- 1867US2025316731A1Method for calibrating a device for regulating the return flow in a fuel cell systemBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 1967US2025023072A1Operating strategy for the short-circuit start of fuel cells with excess airBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 2066US7895987B2Method for introducing fuel into a combustion chamber of an internal combustion engineBOSCH GMBH ROBERT·Filed 2009·Granted Mar 1, 2011·4 cites·7 claims
- 2165US2024243311A1Method for operating a fuel-cell systemBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 2264US12429169B2Method for fueling a means of transportation using a hydrogen fueling deviceBOSCH GMBH ROBERT·Filed 2022·Granted Sep 30, 2025·0 cites·13 claims
- 2364US2024178418A1Method for operating a fuel cell system, and fuel cell systemBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 2463US12066153B2Method for filling a hydrogen tank of a motor vehicle comprising a fuel cell drive and motor vehicleBOSCH GMBH ROBERT·Filed 2020·Granted Aug 20, 2024·0 cites·19 claims
- 2563US2025132362A1Method for drying a fuel cell, and fuel cell systemBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 2663US2024222667A1Fuel cell system and operating method for operating a fuel cell systemBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 2763US2024055633A1Method for determining the length and/or volume of the purge path within a fuel cell systemBOSCH GMBH ROBERT·Filed 2021·Application pending·0 cites
- 2862US2024194908A1Method for purging a reactant chamberBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 2962US2024339641A1Method for starting a fuel cell systemBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 3062US2024055630A1Fuel-cell system with protection from icingBOSCH GMBH ROBERT·Filed 2021·Application pending·0 cites
- 3161US2024405234A1Fuel cell system having improved starting under freezing conditionsBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 3260US2023231159A1Heat exchanger system for operating a fuel cell stackBOSCH GMBH ROBERT·Filed 2021·Application pending·0 cites
- 3360US2024322205A1Method for operating a fuel cell system, and control deviceBOSCH GMBH ROBERT·Filed 2022·Application pending·0 cites
- 3459US12158240B2Method for opening a valve assembly for a fuel tankBOSCH GMBH ROBERT·Filed 2020·Granted Dec 3, 2024·0 cites·14 claims
- 3559US8332125B2Method for controlling at least one solenoid valveBOEE MATTHIAS·Filed 2007·Granted Dec 11, 2012·6 cites·9 claims
- 3659US2025273716A1Fuel cell system and drying method for drying fuel cells of a fuel cell systemBOSCH GMBH ROBERT·Filed 2023·Application pending·0 cites
- 3758US12407007B2Method for operating a fuel cell system and control device for sameBOSCH GMBH ROBERT·Filed 2020·Granted Sep 2, 2025·0 cites·9 claims
- 3858US12249742B2Method for operating a fuel cell system, and fuel cell systemBOSCH GMBH ROBERT·Filed 2020·Granted Mar 11, 2025·0 cites·18 claims
- 3957US9228520B2Method and control tool for operating a valveJOOS KLAUS·Filed 2010·Granted Jan 5, 2016·1 cites·10 claims
- 4057US8584515B2Method and control unit for operating an injection valveFISCHER WOLFGANG·Filed 2009·Granted Nov 19, 2013·3 cites·22 claims
- 4157US8014933B2Method to determine a fuel compositionBOSCH GMBH ROBERT·Filed 2008·Granted Sep 6, 2011·4 cites·7 claims
- 4256US7904232B2Method for operating an internal combustion engineBOSCH GMBH ROBERT·Filed 2007·Granted Mar 8, 2011·3 cites·19 claims
- 4355US12370884B2Pressurized gas tank receiving assembly for a motor vehicleBOSCH GMBH ROBERT·Filed 2020·Granted Jul 29, 2025·0 cites·12 claims
- 4455US10236523B2Simplification of the electrical system of fuel cells by means of depletion of the cathode supplyBOSCH GMBH ROBERT·Filed 2014·Granted Mar 19, 2019·0 cites·3 claims
- 4551US2023026104A1Method for refuelling a vehicleBOSCH GMBH ROBERT·Filed 2020·Application pending·0 cites
- 4650US10903507B2Method for producing a flow plate for a fuel cellBOSCH GMBH ROBERT·Filed 2016·Granted Jan 26, 2021·0 cites·10 claims
- 4749US11105468B2Method for operating a tank systemBOSCH GMBH ROBERT·Filed 2017·Granted Aug 31, 2021·0 cites·9 claims
- 4848US2023358367A1Method for keeping free of ice or thawing at least one surface which is at risk of icing of a tank interface and a tank interfaceBOSCH GMBH ROBERT·Filed 2021·Application pending·0 cites
- 4946US8260525B2Method and device for operating an internal combustion engine and internal combustion engineMALLEBREIN GEORG·Filed 2009·Granted Sep 4, 2012·1 cites·13 claims
- 5046US2023366514A1Method for operating a drive unit operated with gaseous fuelBOSCH GMBH ROBERT·Filed 2021·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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