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HALL & CONNOLLY INC

Overview
  • Total Patents
    12
About

HALL & CONNOLLY INC has a total of 12 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, optics and machines are MOLE RICHARDSON CO, LITEPANELS LLC and MOLE RICHARDSON ENGLAND LTD.

Patent filings in countries

World map showing HALL & CONNOLLY INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 2

Patent filings per year

Chart showing HALL & CONNOLLY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall Theodore O 6
#2 Theodore Hall 4

Latest patents

Publication Filing date Title
US2057644A Reflector projection lamp
US2128743A High intensity projector lamp and arc
US2018717A Projector lamp
US1959954A Thermostat
US2065891A Automatic projector lamp
US1946139A Projector for double dissolving effects
GB342204A Improvements in or relating to projector lamps
US1767756A Rectangular shutter for spotlights
US1850103A Combined spot and flood light
GB304274A Improvements in or relating to projector lamps
US1691475A Projector lamp
US1626932A Feeding means for arc lamps