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HANNAH M SMITH

Overview
  • Total Patents
    19
About

HANNAH M SMITH has a total of 19 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets furniture and games, audio-visual technology and telecommunications are SMITH HANNAH MARY, SIMS IND PTY LTD and BAHR STARTING GATE CORP.

Patent filings in countries

World map showing HANNAH M SMITHs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 2
#3 Germany 1

Patent filings per year

Chart showing HANNAH M SMITHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keen Thomas A 18

Latest patents

Publication Filing date Title
US2404074A Annunciator system
US2251250A Display device
US2239894A Display device
US2200504A Starting box
US2203630A Annunciator
US2156043A Starting box
US2116520A Dog starting apparatus
US1980206A Brake
US1973872A Housing bracket
US1938183A Dog starting apparatus
US1910252A Dog starting apparatus
US1983376A Dog starting apparatus
US1801558A Conveyer housing
US1810179A Starting apparatus
US1800864A Car and housing
DE484144C Mechanically powered artificial attractant for dog races
US1801557A Artificial animate lure
CA302185A Dog starting apparatus
CA302184A Car and housing for dogs' race tracks