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HULIT JOHN A

Overview
  • Total Patents
    12
About

HULIT JOHN A has a total of 12 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets digital networks, electrical machinery and energy and telecommunications are KINSLEY CARL, CELOX NETWORKS INC and IRONBRIDGE NETWORKS INC.

Patent filings in countries

World map showing HULIT JOHN As patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2

Patent filings per year

Chart showing HULIT JOHN As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hulit John A 12

Latest patents

Publication Filing date Title
US1718784A Telegraphic sending apparatus
US1555211A Telegraph sending instrument
US1555210A Telegraph sending instrument
US1519840A Telegraph sounder
US1442474A Recording telegraphic receiving instrument
US1428033A Recording telegraph machine
US1399429A Recording telegraphic receiving instrument
CA163590A Signal system
CA170235A Selective signalling system
US896832A Selective call apparatus.
US850837A Selective call apparatus.
US795836A Selective call apparatus.