Inventor
ENGEL DONALD FRANCIS
US10 patents
Patents
10 patentsUS6322602B2Nov 27, 2001
Reverse flow air filter arrangement
DONALDSON CO INC118 citations98
US6004366ADec 21, 1999
Reverse flow air filter arrangement and method
DONALDSON CO INC95 citations98
US5897676AApr 27, 1999
Reverse flow air filter arrangement and method
DONALDSON CO INC299 citations98
US5690712ANov 25, 1997
Reverse flow air filter arrangement and method
DONALDSON CO INC114 citations97
US5938804AAug 17, 1999
Reverse flow air filter arrangement and method
DONALDSON CO INC117 citations96
US6521009B2Feb 18, 2003
Reverse flow air filter arrangement and method
DONALDSON CO INC65 citations95
US6413289B2Jul 2, 2002
Reverse flow air filter arrangement
DONALDSON CO INC76 citations95
US6258145B1Jul 10, 2001
Reverse flow air filter arrangement
DONALDSON CO INC74 citations95
US7455707B2Nov 25, 2008
Reverse flow air filter arrangement and method
DONALDSON CO INC27 citations90
USD425977SMay 30, 2000
Inside surface of a filter element having insert construction
DONALDSON CO INC4 citations59