Inventor
RAMESH VARUN
US17 patents
Patents
17 patentsUS11181026B1Nov 23, 2021
Methods for operation of an emissions aftertreatment system for NOx control during regeneration of diesel particulate filter
PACCAR INC22 citations93
US11499463B2Nov 15, 2022
Methods for evaluating diesel exhaust fluid quality
PACCAR INC8 citations85
US11473470B2Oct 18, 2022
Methods for operation of an emissions aftertreatment system for NOx control during regeneration of diesel particulate filter
PACCAR INC8 citations85
US11326493B2May 10, 2022
Ammonia storage capacity of SCR catalyst unit
PACCAR INC7 citations85
US11725560B2Aug 15, 2023
Heater control in heavy-duty motor vehicle engines
PACCAR INC1 citations71
US12359598B2Jul 15, 2025
NOx sensor diagnostics in heavy-duty motor vehicle engines
PACCAR INC0 citations62
US11927126B2Mar 12, 2024
Methods for evaluating diesel exhaust fluid quality
PACCAR INC0 citations62
US11879367B2Jan 23, 2024
NOx sensor diagnostics in heavy-duty motor vehicle engines
PACCAR INC1 citations62
US11608766B2Mar 21, 2023
Ammonia storage capacity of SCR catalyst unit
PACCAR INC1 citations62
US12320287B2Jun 3, 2025
Heater control in heavy-duty motor vehicle engines
PACCAR INC0 citations60
US12085001B2Sep 10, 2024
Heater control in heavy-duty motor vehicle engines
PACCAR INC0 citations60
US11661880B2May 30, 2023
Methods for making and using SCR catalyst on-board diagnostic limit parts
PACCAR INC0 citations54
US11181030B2Nov 23, 2021
Methods for making and using SCR catalyst on-board diagnostic limit parts
PACCAR INC0 citations54
US11976582B2May 7, 2024
Methods for diagnostics and operation of an emissions aftertreatment system
PACCAR INC0 citations51
US11428136B2Aug 30, 2022
Heater diagnostics in heavy-duty motor vehicle engines
PACCAR INC0 citations51
US11828677B2Nov 28, 2023
Cloud computing-based vehicle fleet benchmarking
PACCAR INC0 citations46
US12066296B2Aug 20, 2024
System and method for cloud computing-based vehicle configuration
PACCAR INC0 citations43