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AUTO MANUAL PIANO ACTION COMPANY

Overview
  • Total Patents
    15
About

AUTO MANUAL PIANO ACTION COMPANY has a total of 15 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States. Its main competitors in its focus markets consumer goods, computer technology and civil engineering are LUDWIG HUPFELD AKTIEN GES, FARRAND COMPANY and PRATT READ PLAYER ACTION COMPA.

Patent filings in countries

World map showing AUTO MANUAL PIANO ACTION COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing AUTO MANUAL PIANO ACTION COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wuest Philip Jr 14
#2 Dunott Charles B 1

Latest patents

Publication Filing date Title
US888290A Music-roll-marking device.
US851471A Mechanical musical instrument.
US851472A Pneumatic motor.
US844987A Automatic playing mechanism for musical instruments.
US841383A Automatic playing mechanism for musical instruments.
US860618A Automatic playing mechanism in pianos.
US851470A Automatic playing mechanism for musical instruments.
US875974A Rhythm-indicator for mechanical musical instruments.
US820080A Mechanical musical instrument.
US844986A Pneumatic tracker-bar.
US869678A Mechanically-controlled solo-accent device for mechanical musical instruments.
US847534A Divided pianissimo device.
US844985A Automatic playing mechanism in pianos.
US844984A Mechanical musical instrument.
US820079A Musical instrument.