Assignee
BELTONE ELECTRONICS CORP
US40 patents
Top patents by PatentIndex Score
US5991419ANov 23, 1999
Bilateral signal processing prosthesis
BELTONE ELECTRONICS CORP187 citations98
US6393130B1May 21, 2002
Deformable, multi-material hearing aid housing
BELTONE ELECTRONICS CORP160 citations97
US5185802AFeb 9, 1993
Modular hearing aid system
BELTONE ELECTRONICS CORP292 citations96
US5014016AMay 7, 1991
Switching amplifier
BELTONE ELECTRONICS CORP83 citations96
US7130437B2Oct 31, 2006
Compressible hearing aid
BELTONE ELECTRONICS CORP141 citations94
US5970157AOct 19, 1999
Press-fit ear wax barrier
BELTONE ELECTRONICS CORP53 citations94
US5170434ADec 8, 1992
Hearing aid with improved noise discrimination
BELTONE ELECTRONICS CORP43 citations93
US4972488ANov 20, 1990
Ear wax barrier and acoustic attenuator for a hearing aid
BELTONE ELECTRONICS CORP181 citations93
US4952867AAug 28, 1990
Base bias current compensator
BELTONE ELECTRONICS CORP29 citations92
US4926139AMay 15, 1990
Electronic frequency filter
BELTONE ELECTRONICS CORP34 citations92
US4912393AMar 27, 1990
Voltage regulator with variable reference outputs for a hearing aid
BELTONE ELECTRONICS CORP24 citations92
US4792977ADec 20, 1988
Hearing aid circuit
BELTONE ELECTRONICS CORP44 citations92
US4272591AJun 9, 1981
Electronic apparatus with battery chamber
BELTONE ELECTRONICS CORP32 citations92
US6167141ADec 26, 2000
Multimaterial hearing aid housing
BELTONE ELECTRONICS CORP42 citations91
US5864628AJan 26, 1999
Press-fit sound damping structure
BELTONE ELECTRONICS CORP63 citations91
US5712918AJan 27, 1998
Press-fit ear wax barrier
BELTONE ELECTRONICS CORP31 citations91
US4729451AMar 8, 1988
Receiver suspension and acoustic porting system
BELTONE ELECTRONICS CORP68 citations90
US4860890AAug 29, 1989
Battery holder
BELTONE ELECTRONICS CORP30 citations88
US6292572B1Sep 18, 2001
Hearing aids with standardized spheroidal housings
BELTONE ELECTRONICS CORP20 citations86
US6097825AAug 1, 2000
Hearing aids with standardized spheroidal housings
BELTONE ELECTRONICS CORP23 citations86
US4870689ASep 26, 1989
Ear wax barrier for a hearing aid
BELTONE ELECTRONICS CORP86 citations86
US4647899AMar 3, 1987
Electrical film resistor
BELTONE ELECTRONICS CORP25 citations85
US4569812AFeb 11, 1986
Process for making a hearing aid vent
BELTONE ELECTRONICS CORP43 citations81
US4451709AMay 29, 1984
Eye glass hearing aids
BELTONE ELECTRONICS CORP34 citations81
US6584207B1Jun 24, 2003
Molded hearing aid housing
BELTONE ELECTRONICS CORP16 citations79
US7187778B2Mar 6, 2007
Neurofuzzy based device for programmable hearing aids
BELTONE ELECTRONICS CORP11 citations77
US4922131AMay 1, 1990
Differential voltage threshold detector
BELTONE ELECTRONICS CORP19 citations73
US4829270AMay 9, 1989
Compansion system
BELTONE ELECTRONICS CORP14 citations73
US4543453ASep 24, 1985
Electronic hearing aid control circuit
BELTONE ELECTRONICS CORP17 citations73
US6728384B2Apr 27, 2004
Hearing aid connection system
BELTONE ELECTRONICS CORP7 citations71
US4498555AFeb 12, 1985
Hearing aid nubbin and acoustic damper
BELTONE ELECTRONICS CORP10 citations68
US4153758AMay 8, 1979
Hearing aid battery holder
BELTONE ELECTRONICS CORP9 citations68
US4551607ANov 5, 1985
Electrical film resistor
BELTONE ELECTRONICS CORP10 citations66
US4393275AJul 12, 1983
Hearing aid with controllable wide range of frequency response
BELTONE ELECTRONICS CORP16 citations65
US5732396AMar 24, 1998
Hearing aid screening device having an elongated spacing element which extends therefrom providing for ingress of background noise
BELTONE ELECTRONICS CORP9 citations64
USD359121SJun 6, 1995
Housing for screening device
BELTONE ELECTRONICS CORP2 citations62
US4876499AOct 24, 1989
Differental voltage controlled exponential current source
BELTONE ELECTRONICS CORP4 citations62
US5243318ASep 7, 1993
Low noise precision resistor
BELTONE ELECTRONICS CORP6 citations61
US5148143ASep 15, 1992
Precision thick film elements
BELTONE ELECTRONICS CORP6 citations61
US4187472AFeb 5, 1980
Amplifier employing matched transistors to provide linear current feedback
BELTONE ELECTRONICS CORP16 citations60