Inventor
KOCH CALVIN K
US9 patents
⚠️ This page may combine multiple inventors who share the name “KOCH CALVIN K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
4 patentsUS7571602B2Aug 11, 2009
Exhaust aftertreatment system and method of use for lean burn internal combustion engines
GM GLOBAL TECH OPERATIONS INC24 citations90
US8920756B2Dec 30, 2014
Silver promoted close-coupled NOx absorber
GM GLOBAL TECH OPERATIONS INC7 citations83
US8906331B2Dec 9, 2014
Nitric oxide oxidation over silver-based catalysts
GM GLOBAL TECH OPERATIONS INC5 citations72
US8001768B2Aug 23, 2011
Method and apparatus for managing an exhaust gas feedstream for a spark-ignition direct-injection engine
GM GLOBAL TECH OPERATIONS INC6 citations62