Inventor
THEISEN JEFF J
US5 patents
Patents
5 patentsUS5104537AApr 14, 1992
High pressure hydraulic spin-on filter
DONALDSON CO INC200 citations97
US6096208AAug 1, 2000
Seal arrangement for spin-on filters
DONALDSON CO INC79 citations94
US4883083ANov 28, 1989
Relief valve assembly; piston member from same and filter head assembly incorporating same
DONALDSON CO INC30 citations91
US6083381AJul 4, 2000
Fuel filter with sediment drain valve and level indicator
DONALDSON CO INC41 citations90
US6012485AJan 11, 2000
Fluid filter arrangement including valve arrangement, fluid level indicator, and methods thereof
DONALDSON CO INC19 citations90