Inventor
STAHL PHILIP
US7 patents
⚠️ This page may combine multiple inventors who share the name “STAHL PHILIP”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FERROFLUIDICS CORP
6 patentsUS4171818AOct 23, 1979
Dynamic lip seal using ferrofluids as sealant/lubricant
FERROFLUIDICS CORP88 citations94
US4630943ADec 23, 1986
Ferrofluid bearing and seal apparatus
FERROFLUIDICS CORP65 citations93
US4444398AApr 24, 1984
Self-activating ferrofluid seal apparatus and method
FERROFLUIDICS CORP42 citations91
US4200296AApr 29, 1980
Ferrofluid centrifugal seal
FERROFLUIDICS CORP33 citations90
US4123675AOct 31, 1978
Inertia damper using ferrofluid
FERROFLUIDICS CORP51 citations90
US4526484AJul 2, 1985
Ferrofluid thrust and radial bearing assembly
FERROFLUIDICS CORP27 citations86