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A L SMITH IRON COMPANY

Overview
  • Total Patents
    24
About

A L SMITH IRON COMPANY has a total of 24 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machines and civil engineering are PILUX & DANPEX AG, PITTSBURGH REFLECTOR COMPANY and LIPSCOMB WILLIS L.

Patent filings in countries

World map showing A L SMITH IRON COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 7

Patent filings per year

Chart showing A L SMITH IRON COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henry Kruger Michael 15
#2 Kruger Michael Henry 5
#3 Kruger Michael H 4

Latest patents

Publication Filing date Title
US2854565A Luminous sound absorbing ceiling
US2854205A Supports for suspending fluorescent lighting fixtures
US2794664A Latches
US2794903A Light diffusing system
US2854103A Light-shielding grid
US2740883A Combination lighting fixture and wiring conduit
US2716224A Lamp sockets for single pin fluorescent lamps
US2740885A Adjustable fluorescent light fixture
US2559641A Combination light distributor and wiring conduit for elongated tubular lamps
US2721720A Hangers for lighting fixtures
US2559640A Connecting means for lighting fixture louver frames
US2597875A Troffer for fluorescent lighting fixtures readily attached to the framework of a ceiling
US2559639A Strip for fluorescent lamps
US2495266A Starter switch for fluorescent lamps
US2459034A Hanger
US2446425A Fluorescent lighting fixture
US2507308A Hanger attachment for lighting fixtures
CA528334A Combination ceiling and lighting fixture
CA455066A Hanger
CA528333A Combination lighting fixture and wiring conduit