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INGRAHAM CO E

Overview
  • Total Patents
    14
About

INGRAHAM CO E has a total of 14 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States. Its main competitors in its focus markets measurement, machines and mechanical elements are REVUE FABRIQUES D HORLOGERIE T, GRIVOLAS CLAUDE and MATALENE HENRY W.

Patent filings in countries

World map showing INGRAHAM CO Es patent filings in countries
# Country Total Patents
#1 United States 14

Patent filings per year

Chart showing INGRAHAM CO Es patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Machines
#3 Mechanical elements

Top inventors

# Name Total Patents
#1 Stockton Elmer E 7
#2 Porter Arthur H 5
#3 Simmons Charles B 3
#4 Ames Bliss C 1
#5 Goodrich George L 1

Latest patents

Publication Filing date Title
US1133780A Watch-bezel with unbreakable concavo-convex tensional crystal.
US1061023A Alarm-clock.
US1046879A Alarm-clock.
US1050402A Alarm-clock.
US1037555A Lock-work for clock-movements.
US1042159A Clock-case.
US989310A Alarm-clock.
US936054A Nickel alarm-clock.
US936053A Nickel alarm-clock.
US872971A Clock-key.
US878251A Alarm-clock.
US855130A Clock.
US852859A Alarm-clock.
US830781A Intermittent-alarm clock.