Inventor
HOPPENSTEDT BRUCE B
US8 patents
Patents
8 patentsUS4851015AJul 25, 1989
Muffler apparatus with filter trap and method of use
DONALDSON CO INC186 citations98
US4867768ASep 19, 1989
Muffler apparatus with filter trap and method of use
DONALDSON CO INC65 citations95
US4580657AApr 8, 1986
Integral fluted tube for sound suppression and exhaust ejection
DONALDSON CO INC53 citations93
US5388400AFeb 14, 1995
Diesel engine exhaust regenerable filter system
DONALDSON CO INC47 citations92
US5246472ASep 21, 1993
Apparatus for filtering engine exhaust
DONALDSON CO INC42 citations92
US5224973AJul 6, 1993
Filter cartridge for trap apparatus
DONALDSON CO INC40 citations92
US4325460AApr 20, 1982
Ejector muffler
DONALDSON CO INC32 citations91
US5400590AMar 28, 1995
Filter cartridge arrangement
DONALDSON CO INC14 citations73