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INGRAHAM COMPANY

Overview
  • Total Patents
    12
About

INGRAHAM COMPANY has a total of 12 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets measurement, electrical machinery and energy and basic communication technologies are WILLIAM HAYDON ARTHUR, WALTER KOHLHAGEN and AKIMOTO AKITO.

Patent filings in countries

World map showing INGRAHAM COMPANYs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 3
#3 United Kingdom 2

Patent filings per year

Chart showing INGRAHAM COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sidell Philip A 9
#2 Kaniwec George N 3
#3 Burgeson Oscar B 3
#4 Schaffrick William C 2
#5 Thompson Norman F 1
#6 Cybulski Edward B 1

Latest patents

Publication Filing date Title
US3283391A Apparatus for mass-producing precision parts from longitudinal supply stock
US3196604A Clock with separate day and night dials
US3146363A Electric motor and method of making same
US3121815A Self-starting synchronous motor of high torque output
US3027469A Directional drive control for selfstarting synchronous motors of either starting direction
US3034280A 24-hour time alarm
US3004380A Alarm control for time alarm
CA685403A Self-starting synchronous motor of high torque output
CA661509A Alarm control for time alarm
CA732714A Electric motor and method of making same