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LIPSCOMB WILLIS L

Overview
  • Total Patents
    24
About

LIPSCOMB WILLIS L has a total of 24 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, civil engineering and thermal processes are DOANE PRODUCTS CORP, PETERSEN JANN and PITTSBURGH REFLECTOR COMPANY.

Patent filings in countries

World map showing LIPSCOMB WILLIS Ls patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 4

Patent filings per year

Chart showing LIPSCOMB WILLIS Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lipscomb Willis L 24

Latest patents

Publication Filing date Title
US3299264A End plate for lighting fixtures
US3188462A Lighting fixture diffuser with brightness control
US3188461A Plural walled fixtures
US3169710A Lighting fixture
US3173616A Combined luminaire and air-flow means
US3024355A Curved, cellular light control panel
US3019334A Cellular light control panel
US2902591A Lighting fixture
US2913574A Elongated lighting fixture
US2913575A Controlled brightness luminous panel luminaire
US2837632A Curved, cellular light control panel
US2927993A Lighting fixture
US2777053A Direct-indirect reversible luminaire
US2771544A Collapsible concentric ring luminaire
US2849598A Non-glare lighting fixture
US2826710A Reflector type lamp
US2801331A Collapsible horizontal ring luminaire
US2874271A Indirect lighting fixture
US2761058A Parallel shielding and light control luminaire for fluorescent type lamps
US2703360A Lighting fixture