Inventor
MOSKOWITZ RONALD
US20 patents
Patents
20 patentsUS4898480AFeb 6, 1990
Compact ferrofluidic electrically conducting sealed bearing
FERROFLUIDICS CORP57 citations96
US5461677AOct 24, 1995
Loudspeaker
FERROFLUIDICS CORP55 citations94
US4171818AOct 23, 1979
Dynamic lip seal using ferrofluids as sealant/lubricant
FERROFLUIDICS CORP88 citations94
US5462685AOct 31, 1995
Ferrofluid-cooled electromagnetic device and improved cooling method
FERROFLUIDICS CORP44 citations92
US4830384AMay 16, 1989
Compact long-life magnetic fluid seal
FERROFLUIDICS CORP29 citations92
US4824122AApr 25, 1989
Compact magnetic fluid low pressure seal
FERROFLUIDICS CORP35 citations92
US4797013AJan 10, 1989
Compact ferrofluidic electrically conducting sealed bearing
FERROFLUIDICS CORP39 citations92
US4252353AFeb 24, 1981
Self-activating ferrofluid seals
FERROFLUIDICS CORP34 citations91
US3977739AAug 31, 1976
Magnetic ball bearing assembly using ferrolubricants
FERROFLUIDICS CORP64 citations91
US4407518AOct 4, 1983
Nonbursting multiple-stage ferrofluid seal and system
FERROFLUIDICS CORP41 citations90
US4200296AApr 29, 1980
Ferrofluid centrifugal seal
FERROFLUIDICS CORP33 citations90
US4123675AOct 31, 1978
Inertia damper using ferrofluid
FERROFLUIDICS CORP51 citations90
US4445696AMay 1, 1984
Nonbursting magnetic liquid seals for high vacuum applications
FERROFLUIDICS CORP38 citations89
US4772032ASep 20, 1988
Compact magnetic fluid low pressure seal
FERROFLUIDICS CORP20 citations82
US4890850AJan 2, 1990
Tapered ferrofluid seal
FERROFLUIDICS CORP21 citations81
US4865334ASep 12, 1989
Long-life multi-stage ferrofluid seals incorporating a ferrofluid reservoir
FERROFLUIDICS CORP22 citations80
US4252328AFeb 24, 1981
Self-activating ferrofluid seal and method
FERROFLUIDICS CORP27 citations80
US5429000AJul 4, 1995
Ferrofluid pressure sensor
FERROFLUIDICS CORP18 citations74
US5018751AMay 28, 1991
Stacked pole-piece ferrofluid seal apparatus
FERROFLUIDICS CORP19 citations71
US4927164AMay 22, 1990
Ferrofluid seal with epoxy pole pieces
FERROFLUIDICS CORP12 citations71