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SHEET POLARIZER COMPANY INC

Overview
  • Total Patents
    18
About

SHEET POLARIZER COMPANY INC has a total of 18 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States. Its main competitors in its focus markets optics, transport and electrical machinery and energy are ACE SOLUTECH CO LTD, TIANJIN OUFEI PHOTOELECTRIC CO LTD and HUGENELL HERMANN.

Patent filings in countries

World map showing SHEET POLARIZER COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 18

Patent filings per year

Chart showing SHEET POLARIZER COMPANY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Land Edwin H 15
#2 Herbert Land Edwin 1
#3 Kriebel Richard T 1
#4 Wheelwright George W 1

Latest patents

Publication Filing date Title
US2122225A Signaling device employing polarized light
US2120365A New and improved viewing device for use in the examination of photoelastic effects
US2122178A Diffusing light polarizer
US2123902A Light polarizing material
US2102632A Viewing screen for use in optical systems employing polarized light
US2123901A Light polarizing material
US2041138A Process of forming improved light polarizing bodies
US2096696A Viewing device controlling reflected glare
US2079621A Device for use in illuminating systems employing polarized light
US2078181A Device employing polarized light
US2106752A Field divider
US2018963A Photographic apparatus and method of photography
US2099694A Polarizing optical system
US2018214A Advertising display device
US2011553A Process of forming a polarizing body
US2031045A Means for avoiding glare from automobile headlights
US1989371A Method of making a product containing oriented asymmetric bodies
US2078254A Refracting polarizing body