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HAMMOND ORGAN CO

Overview
  • Total Patents
    104
About

HAMMOND ORGAN CO has a total of 104 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets consumer goods, machines and electrical machinery and energy are MOOG MUSIC INC, JOHN HALMAGYI and HAMMOND INSTR CO.

Patent filings in countries

World map showing HAMMOND ORGAN COs patent filings in countries
# Country Total Patents
#1 United States 71
#2 Canada 20
#3 United Kingdom 5
#4 Germany 4
#5 France 3
#6 Belgium 1

Patent filings per year

Chart showing HAMMOND ORGAN COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hanert John M 46
#2 Meinema Herbert E 9
#3 Young Alan C 7
#4 Laurens Hammond 7
#5 Haviland Lyman J 5
#6 Schrecongost Ray B 5
#7 Kern Donald R 4
#8 George Thomas J 4
#9 Canfield Herbert H 4
#10 Laube Jr William C 2

Latest patents

Publication Filing date Title
US3538804A Electronic solo instrument having high-note guard circuit
US3506773A Device for producing stringed instrument or muted horn resonant tones employing a microphone inside or near a speaker enclosure
US3325747A Plural frequency musical instrument oscillator
US3469109A Musical instrument frequency divider which divides by two and by four
US3305620A Organ chord switching mechanism
US3334173A Organ additive prevoicing system
US3246087A Pivoted-type lever-operated switch
US3325581A Organ chorus and celeste system utilizing randomly varying phase shift means
US3272058A Organ chord switch
US3264398A Electric organ crescendo system
US3247306A Keyer circuit
US3240858A Electrical musical instrument
US3288904A Tone frequency control system for electronic musical instruments
US3161714A Legato percussion circuit
US3256380A Cascaded phase shift core reactor arrangement for securing vibrato in an organ
US3136869A Interlocking control tablets for use in an organ
US3258519A Method and apparatus for securing vibrato effects
US3217277A Variable core tuning inductor
US3288907A Electronic musical instrument with delayed vibrato
US3150335A Reverberation unit assembly