P

Inventor

DUFFEK RYAN M

GB6 patents
⚠️ This page may combine multiple inventors who share the name “DUFFEK RYAN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CATERPILLAR INC

3 patents
USD590419SApr 14, 2009

Engine exhaust treatment device housing

CATERPILLAR INC21 citations90
USD645882SSep 27, 2011

Engine exhaust treatment device housing

CATERPILLAR INC4 citations71
USD645477SSep 20, 2011

Engine exhaust treatment device housing

CATERPILLAR INC2 citations60

STALEY THOMAS V

1 patent
US8097055B2Jan 17, 2012

System for treating exhaust gas

STALEY THOMAS V10 citations76

HOFFMAN LORAN

1 patent
US8083822B2Dec 27, 2011

System for treating exhaust gas

HOFFMAN LORAN11 citations76

CRANDELL RICHARD A

1 patent
US8092563B2Jan 10, 2012

System for treating exhaust gas

CRANDELL RICHARD A4 citations53