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ABRAHAMS ALEXANDER I

Overview
  • Total Patents
    15
About

ABRAHAMS ALEXANDER I has a total of 15 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States and Austria. Its main competitors in its focus markets audio-visual technology and consumer goods are LACARRUBBA EMANUEL, CESATI MARIO and INCUS LAB LTD.

Patent filings in countries

World map showing ABRAHAMS ALEXANDER Is patent filings in countries
# Country Total Patents
#1 United States 14
#2 Austria 1

Patent filings per year

Chart showing ABRAHAMS ALEXANDER Is patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology
#2 Consumer goods

Focus technologies

# Technology
#1 Loudspeakers and microphones
#2 Sound-producing devices

Top inventors

# Name Total Patents
#1 Abrahams Alexander I 15

Latest patents

Publication Filing date Title
US2292424A Acoustic device
US2228024A Directive acoustic pickup
US2071153A Acoustic horn
US2083537A Electroacoustical translating device
US2066133A Wave translating device
US1918366A Horn structure
US1878360A Acoustic horn and method of manufacture thereof
US1941776A Sound unit
US1834327A Sound amplifier
US1832608A Diaphragm for acoustic devices
US1888442A Loud speaker unit
US1845210A Loud speaker diaphragm
US1781489A Loud-speaker horn
US1835739A Sound amplifier