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STIFFEL THEOPHILE A

Overview
  • Total Patents
    19
About

STIFFEL THEOPHILE A has a total of 19 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machines and mechanical elements are OLIER HENRY D JR, THOMPSON ELECTRIC COMPANY and Mai zhong.

Patent filings in countries

World map showing STIFFEL THEOPHILE As patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 5

Patent filings per year

Chart showing STIFFEL THEOPHILE As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stiffel Theophile A 19

Latest patents

Publication Filing date Title
US3231734A Means for securing a light reflector or light diffuser
US3158261A Means for protecting the lamp socket in a lamp during shipment
US3104067A Means for supporting a lighting fixture
US2965751A Lighting fixtures
US2942829A Self adjustable leveling means
US2922031A Lighting fixture
US3076892A Diffusing means for use in connection with lighting fixtures
US2855037A Portable wall or panel structures and means for supporting same
US2793286A Lighting fixtures
US2583066A Combination lamp and television antenna
US2459898A Means for actuating electrical switches
US2483354A Lamp shade
US2306908A Fluorescent lamp fixture
US2184856A Electric light fixture
CA483699A Means for actuating electrical switches
CA545913A Lighting fixtures
CA619704A Lighting fixture
CA748298A Means for securing a light reflector or light diffuser
CA628708A Self adjustable leveling means