Inventor
HEDRICK JOHN C
US11 patents
⚠️ This page may combine multiple inventors who share the name “HEDRICK JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SOUTHWEST RES INST
10 patentsUS6494192B1Dec 17, 2002
On-board fuel vapor collection, condensation, storage and distribution system for a vehicle
SOUTHWEST RES INST96 citations94
US5890459AApr 6, 1999
System and method for a dual fuel, direct injection combustion engine
SOUTHWEST RES INST103 citations92
US6062178AMay 16, 2000
Method of operating uni-flow two-cycle engine during reduced load conditions
SOUTHWEST RES INST30 citations89
US7059278B2Jun 13, 2006
Locomotive engine charge air cooling system and method for cooling the engine
SOUTHWEST RES INST8 citations70
US10428707B2Oct 1, 2019
Partial-flow diesel particulate filter using pressure regulated bypass
SOUTHWEST RES INST3 citations69
US6227174B1May 8, 2001
Plunger-activated unit injector for internal combustion engines
SOUTHWEST RES INST4 citations61
US6990857B1Jan 31, 2006
Fuel injector timing tool
SOUTHWEST RES INST1 citations47
US9803571B2Oct 31, 2017
Dual-fuel diesel engine with cylinder fueling control of gaseous fueling at less than full loads
SOUTHWEST RES INST0 citations39
US9995206B2Jun 12, 2018
Intake air boost system for two-cycle engine having turbo-supercharger
SOUTHWEST RES INST0 citations38
US10690045B2Jun 23, 2020
Intake air boost system for two-cycle engine having roots blowers
SOUTHWEST RES INST0 citations32