Inventor
PURCELL III JOHN JERL
US16 patents
⚠️ This page may combine multiple inventors who share the name “PURCELL III JOHN JERL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CUMMINS INC
13 patentsUS9856818B2Jan 2, 2018
Stabilized engine casting core assembly, method for making an engine body, and engine body formed thereby
CUMMINS INC2 citations71
US11719139B2Aug 8, 2023
Reduced parasitic lube system
CUMMINS INC3 citations70
USD701885SApr 1, 2014
Cylinder head
CUMMINS INC4 citations69
US10240511B2Mar 26, 2019
Engine with cooling system
CUMMINS INC4 citations66
US11002217B2May 11, 2021
Stabilized engine casting core assembly, method for making an engine body, and engine body formed thereby
CUMMINS INC0 citations61
USD702260SApr 8, 2014
Cylinder block
CUMMINS INC2 citations61
US12163449B2Dec 10, 2024
Reduced parasitic lube system
CUMMINS INC1 citations60
US11698042B2Jul 11, 2023
Unique block rib geometry for reducing liner distortion
CUMMINS INC0 citations54
US11536222B2Dec 27, 2022
Block ribs for reducing liner distortion
CUMMINS INC0 citations54
US10174649B2Jan 8, 2019
Cylinder block with integrated oil jacket
CUMMINS INC0 citations50
US9810115B2Nov 7, 2017
Cylinder block with integrated oil jacket
CUMMINS INC1 citations50
US12435649B2Oct 7, 2025
Valve actuation system comprising a discrete lost motion device
CUMMINS INC0 citations47
US11946433B2Apr 2, 2024
Profiled cylinder liner for bore distortion control
CUMMINS INC0 citations42