Learn more

TEACHING MACHINES INC

Overview
  • Total Patents
    13
About

TEACHING MACHINES INC has a total of 13 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, United Kingdom and Austria. Its main competitors in its focus markets control, electrical machinery and energy and digital networks are LEVY FILS AG, MECHANICAL ENTERPRISES INC and ANDEN CO.

Patent filings in countries

World map showing TEACHING MACHINES INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 2
#3 Austria 1
#4 Belgium 1
#5 France 1

Patent filings per year

Chart showing TEACHING MACHINES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cornell Iii Dudley E 4
#2 O'Connell Robert A 3
#3 Cornell Dudley E 2
#4 Tosti Donald T 1
#5 Henry Schutzberger 1
#6 Simmons Gustavus J 1
#7 Wyckoff Jr Lewis Benjamin 1

Latest patents

Publication Filing date Title
US3477142A Multiple choice teaching device
US3274704A Portable teaching machines
US3309792A Teaching apparatus
US3137078A Portable teaching devices
US3117382A Electrical circuit for teaching machines
FR1297383A Switching device for the selection of multiple electrical circuits
US3105307A Portable teaching machines
US3137948A Teaching machines
US3120583A Multiple switch device for selectively interconnecting multiple electrical conductors