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HAMMOND CORP

Overview
  • Total Patents
    214
About

HAMMOND CORP has a total of 214 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets consumer goods, machines and basic communication technologies are COHN J M, MARMON CO and NORLIN IND INC.

Patent filings in countries

World map showing HAMMOND CORPs patent filings in countries

Patent filings per year

Chart showing HAMMOND CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schrecongost Ray B 33
#2 Schrecongost R 18
#3 Mathias Robert G 11
#4 Mathias R 9
#5 Schreier Wilford R 8
#6 Edwards John W 6
#7 Petrie Adelore F 5
#8 Edwards J 5
#9 Schreier W 5
#10 Petrie A 5

Latest patents

Publication Filing date Title
CA1120709A Pedal teaching aid for an electronic musical instrument
AU3233078A Electronic organ pedal teaching aid
JPS5425813A Touch response keying device for electronic instrument
JPS5425722A Touch response device for electronic instrument
US4141270A Modulated keyer supply sampling circuit
JPS5322407A Special effect circuit for electronic instrument
US4128036A Electro-mechanical keyboard memory for an electronic musical instrument
US4046048A Digital touch responsive tempo generating device
US4074846A Floating eyelet inserting tool
US4023113A Voltage controlled filter
US4000674A One key chording system for an electronic keyboard instrument
US3973463A Delayed vibrato and burble circuit
US3971284A Plural mode envelope generator for voltage controlled amplifier
US4043244A Electronic musical instrument keyboard
US3958483A Musical instrument rhythm programmer having provision for automatic pattern variation
US3911780A Arpeggio keyboard
US3902015A Rotary horn tremolo unit
US3906830A Monophonic electronic musical instrument
US4016792A Monophonic electronic musical instrument
US3898905A Monophonic electronic musical instrument