Inventor

KREMPEL LOUIS A

US4 patents

⚠️ This page may combine multiple inventors who share the name “KREMPEL LOUIS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ANALYTICAL ENGINEERING INC

3 patents

US6820417B2Nov 23, 2004

Exhaust aftertreatment system and method for an internal combustion engine

ANALYTICAL ENGINEERING INC88 citations93

US6579218B1Jun 17, 2003

Centrifugal filter utilizing a partial vacuum condition to effect reduced air drag on the centrifuge rotor

ANALYTICAL ENGINEERING INC24 citations91

US6668663B2Dec 30, 2003

Method and apparatus to determine flow rate with the introduction of ambient air

ANALYTICAL ENGINEERING INC11 citations71

BALDWIN FILTERS INC

1 patent

US6517475B1Feb 11, 2003

Centrifugal filter for removing soot from engine oil

BALDWIN FILTERS INC94 citations97