TOPHOLM & WESTERMANN APS

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 7100
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 1134
 
  
 
H03J TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS 19
 
  
 
2401 APPARATUS AND EQUIPMENT FOR DOCTORS, HOSPITALS AND LABORATORIES132

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D632793 Cerumen collectorJan 08, 99Feb 15, 11[2401]
6339647 Hearing aid with beam forming propertiesFeb 26, 01Jan 15, 02[H04R]
6272229 Hearing aid with adaptive matching of microphonesDec 08, 99Aug 07, 01[H04C]
5995636 Hearing aidFeb 26, 97Nov 30, 99[H04R]
5991417 Process for controlling a programmable or program-controlled hearing aid for its in-situ fitting adjustmentOct 29, 97Nov 23, 99[H04R]
5878146 Hearing aidMay 09, 97Mar 02, 99[H04R]
5710819 Remotely controlled, especially remotely programmable hearing aid systemMay 10, 95Jan 20, 98[H04R]
5687241 Circuit arrangement for automatic gain control of hearing aidsApr 12, 96Nov 11, 97[H04R]
5487012 Method of preparing an otoplasty or adaptive earpiece individually matched to the shape of an auditory canalOct 12, 94Jan 23, 96[G06T, G05B, G06F]
5300904 Circuit arrangement for the tank circuit of a high-frequency transmitter output stage operated with frequency shift keyingSep 01, 92Apr 05, 94[H03J]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6898293 Hearing aidExpiredDec 23, 03May 24, 05[H04R]
5578963 Integrated amplifier with flat gain for high and low impedance loadsExpiredMar 08, 95Nov 26, 96[H03F]
5325872 Tinnitus maskerExpiredAug 31, 92Jul 05, 94[A61B]
5105904 Cerumen trap for hearing aidsExpiredDec 26, 90Apr 21, 92[H04R]
4947432 Programmable hearing aidExpiredJan 22, 87Aug 07, 90[H04R]
4800636 Process for manufacturing an in-the-ear canal hearing aidExpiredNov 19, 86Jan 31, 89[B29D]
4706778 In-the-ear-canal hearing aidExpiredOct 20, 86Nov 17, 87[A61B]
4575586 Apparatus for use in the adjustment of the secondary adjustment means of a hearing aidExpiredJul 03, 84Mar 11, 86[H04R]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.