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DAHLBERG ELECTRONICS

Overview
  • Total Patents
    35
About

DAHLBERG ELECTRONICS has a total of 35 patent applications. Its first patent ever was published in 1964. It filed its patents most often in Canada, Germany and United States. Its main competitors in its focus markets audio-visual technology and basic communication technologies are FARRAND INDUCTOR CORP, SONION NEDERLAND BV and TYMPHANY CORP.

Patent filings in countries

World map showing DAHLBERG ELECTRONICSs patent filings in countries
# Country Total Patents
#1 Canada 6
#2 Germany 6
#3 United States 6
#4 Switzerland 4
#5 Austria 3
#6 Denmark 3
#7 United Kingdom 3
#8 Spain 2
#9 France 1
#10 Norway 1

Patent filings per year

Chart showing DAHLBERG ELECTRONICSs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Loudspeakers and microphones
#2 Amplifiers

Top inventors

# Name Total Patents
#1 Martin Richard T 8
#2 Geib Robert L 5
#3 Martin Richard Todd 3
#4 Todd Martin Richard 2
#5 Richard Todd Martin 2
#6 Geib Robert Leigh 2
#7 Marschinke Richard E 2
#8 Leigh Geib Robert 2
#9 George Lewis 1
#10 Marschinke R E 1

Latest patents

Publication Filing date Title
US3995114A Ultra low current amplifier
ES437063A3 An extremely low current power amplifier apparatus to excitate the receiver of an auditory protese device. (Machine-translation by Google Translate, not legally binding)
DE2517993A1 AMPLIFIER WITH EXTREMELY LOW POWER CONSUMPTION
US3527901A Hearing aid having resilient housing
US3312789A Ear canal hearing aid
US3414685A In-the-ear hearing aid
US3374318A Wax guard for hearing aids
DE1240130B Earpiece for an electronic device for the hearing impaired to be worn in the ear
US3197576A In-the-ear hearing aid
CA769494A Wax guard for hearing aids
CA821893A In-the-ear hearing aid
CA721416A In-the-ear hearing aid
CA786638A In-the-ear hearing aid
CA818720A Hearing aid
CA719936A Wax retarder baffle for hearing aids